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| ? 2011 microchip technology inc. ds22268a-page 1 MCP9501/2/3/4 features ? factory set temperature switch ? available temperature switch thresholds: -t set = -35c,-25c, -15c, -5c, 5c, 15c, 25c, 35c, 45c, 55c, 65c, 75c, 85c, 95c, 105c, 115c, 125c ? wide operating voltage range: 2.7v to 5.5v ? low supply current: 25 a (typical) ? temperature switch accuracy: - 1c (typical) - 4c (maximum) -15c to +75c - 6c (maximum) -40c to +125c ? switch threshold options (hot/cold): - rising temp.: MCP9501/2 (hot option) - falling temp.: mcp9503/4 (cold option) ? output configuration options: - active low, open-drain output: MCP9501/3 ? uses external pull-up resistor - active-high, push-pull output: mcp9502/4 ? user selectable hysteresis: 2c or 10c (typical) ? 5-lead sot-23 package applications ? power supply critical temperature shutdown ? temperature alarm ? thermostat control ?fan control ? base-stations ? automotive typical performance description microchip technology?s MCP9501/2/3/4 family of devices are temperature switches with 1c (typical) accurate factory set output thresholds. these devices are ideal for high power supply systems where an overtemperature protection circuit is needed. these devices do not require external components, consume 25 a (typical), and the factory set thresholds provide simplicity. in addition, this family of devices provide user selectable 2c and 10c (typical) switch hysteresis, and various output configurations. the MCP9501/2 outputs switch for rising temperatures while the mcp9503/4 switch for falling temperature, with the relative hysteresis at the set thresholds. this family of devices is also available with active-high push-pull and active-low open-drain outputs, the mcp9502/4 and the MCP9501/3, respectively. the push-pull output is ideal for a microcontroller interface while the open-drain output can be used for level shifting, wired- or configuration, or as a heater on/off switch. the MCP9501/2/3/4 operate from 2.7v to 5.5v supply. this family is available with space saving 5-lead sot-23 package. package types 0% 10% 20% 30% 40% 50% -4.0 -2.0 0.0 2.0 4.0 temperature accuracy (c) occurrences t a = -35c to 125c v dd = 4.1v 32 units 4 1 2 3 5 gnd hyst sot-23-5 MCP9501/2/3/4 gnd output v dd temperature switch with selectable hysteresis
MCP9501/2/3/4 ds22268a-page 2 ? 2011 microchip technology inc. output functional description temperature cold hot v output hysteresis t hyst t set MCP9501, hot-option (open-drain, active-low) temperature v output cold hot hysteresis t hyst t set mcp9502, hot-option (push-pull, active-high) temperature v output cold hot t set t hyst hysteresis mcp9503, cold-option (o pen-drain, active-low) cold hot v output hysteresis t set t hyst mcp9504, cold-option (push-pull, active-high) temperature note: available temperature thresholds for option p or for rising temperature only: +5c, +15c, +25c, +35c, +45c, +55c, +65c, +75c, +85c, +95c, +105c, +115c, +125. note: available temperature thresholds for option p or for rising temperature only: +5c, +15c, +25c, +35c, +45c, +55c, +65c, +75c, +85c, +95c, +105c, +115c, +125. note: available temperature thresholds for option p or for rising temperature only: +5c, +15c, +25c. note: available temperature thresholds for option n or for falling temperature only: -35c, -25c, -15c, -5c. note: available temperature thresholds for option p or for rising temperature only: +5c, +15c, +25c. note: available temperature thresholds for option n or for falling temperature only: -35c, -25c, -15c, -5c. note: contact microchip for all other threshold options. ? 2011 microchip technology inc. ds22268a-page 3 MCP9501/2/3/4 1.0 electrical characteristics absolute maximum ratings ? v dd .................................................................................. 6.0v voltage at all input/output pins ............... gnd ? 0.3v to 6.0v input/output current .....................................................20 ma storage temperature .....................................-65c to +150c ambient temp. with power applied ................-40c to +125c junction temperature (t j ) .......................................... +150c esd protection on all pins (hbm:mm) ................. (4 kv/400v) latch-up current at each pin (25c) ....................... 200 ma ?notice: stresses above those listed under ?maximum ratings? may cause permanent damage to the device. this is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. exposure to maximum rating conditions for extended periods may affect device reliability. dc characteristics electrical specifications: unless otherwise indicated, v dd = 2.7v to 5.5v, t a = -40c to +125c, and gnd = ground. parameters sym min typ max unit conditions sensor accuracy -15c t a +75c -4 1 +4 c note 1 -40c t a +125c -6 2 6 c power supply operating voltage v dd 2.7 ? 5.5 v operating current i dd ?2540a line-regulation c/ v? 0.2 ?c/vv dd = 2.7v to 5.5v hysteresis trip point hysteresis t hyst ?2?chyst = gnd ?10?chyst = v dd hysteresis select input v ih 0.8v dd ??v v il ??0.2v dd v i leak ?0.1?a open-drain output leakage i leak ? 0.1 10 a MCP9501/3 output voltage high v oh 0.8v dd ??vi out = 5 ma (mcp9502/4) output voltage low v ol ??0.2v dd vi out = 5 ma turn on time t on ?1?ms sot23-5 t res ? 1.7 ? s time to 63% (89c). +25c (air) to +125c (oil bath) note 1: this specification is tested at mid supply of 4.1v for optimum operation across the supply voltage range of 2.7v to 5.5v. temperature characteristics electrical specifications: unless otherwise indicated, v dd = 2.7v to 5.5v, t a = -40c to +125c, and gnd = ground. parameters sym min typ max units conditions temperature ranges specified temperature range t a -40 ? +125 c ( note 1 ) operating temperature range t a -40 ? +125 c storage temperature range t a -65 ? +150 c thermal package resistances thermal resistance, 5l-sot23 ja ? 220.7 ? c/ note 1: operation in this range must not cause t j to exceed maximum junction temperature (+150c). MCP9501/2/3/4 ds22268a-page 4 ? 2011 microchip technology inc. 2.0 typical performance curves note: unless otherwise indicated, v dd = 2.7v to 5.5v, t a = -40c to +125c, gnd = ground, r pull-up = 10 k (MCP9501/3 only) and 0.1 f bypass capacitor. figure 2-1: temperature accuracy. figure 2-2: hysteresis vs. temperature. figure 2-3: supply current vs. temperature. figure 2-4: leakage vs. temperature. figure 2-5: v ol , v oh vs. temperature. figure 2-6: power on reset threshold vs. temperature. note: the graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. the performance characteristics listed herein are not tested or guaranteed. in some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. -6.0 -4.0 -2.0 0.0 2.0 4.0 6.0 -40-20 0 20406080100120 t a (c) temperature accuracy (c) spec. limits + st. dev. average - st. dev. v dd = 4.1v 32 units 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -40-20 0 20406080100120 t a (c) hyst = v ss , hysteresis (c) 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 hyst = v dd , hysteresis (c) hyst = v ss hyst = v dd 10 15 20 25 30 35 40 -40-20 0 20406080100120 t a (c) i dd (a) v dd = 5.5 v v dd = 4.1 v v dd = 2.7 v 0.00 0.02 0.04 0.06 0.08 0.10 -40-200 20406080100120 t a (c) leakage (a) hyst input pin open-drain output (MCP9501/03 only) 0% 5% 10% 15% 20% -40-20 0 20406080100120 t a (c) v ol (% of v dd ) 80% 85% 90% 95% 100% v oh (% of v dd ) v oh , v dd = 5.5 v v oh , v dd = 4.1 v v oh , v dd = 2.7 v v ol , v dd = 5.5 v v ol , v dd = 4.1 v v ol , v dd = 2.7 v v por hysteresis (mv) 45 55 65 75 85 95 105 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -40 -20 0 20 40 60 80 100 120 v p o r h y s t e r e s i s ( m v ) v p o r ( v ) t a (c) v por hysteresis v por (v) v por hysteresis (mv) ? 2011 microchip technology inc. ds22268a-page 5 MCP9501/2/3/4 note: unless otherwise indicated, v dd = 2.7v to 5.5v, t a = -40c to +125c, gnd = ground, r pull-up = 10 k (MCP9501 only) and 0.1 f bypass capacitor. figure 2-7: temperature accuracy distribution at -15c. figure 2-8: temperature accuracy distribution at 5c. figure 2-9: temperature accuracy distribution at 65c. figure 2-10: temperature accuracy distribution at 105c. figure 2-11: temperature accuracy distribution at 115c. figure 2-12: temperature accuracy distribution at 125c. 0% 10% 20% 30% 40% 50% 60% - 4 . 0 - 2 . 0 0 . 0 2 . 0 4 . 0 o c c u r r e n c e s temperature accuracy (c) t a = -15\ c v dd = 4.1v 492 units occurrences t a (c) -4.0 -2.0 0.0 2.0 4.0 0% 10% 20% 30% 40% 50% 60% - 4 . 0 - 2 . 0 0 . 0 2 . 0 4 . 0 o c c u r r e n c e s temperature accuracy (c) t a = 5\c v dd = 4.1v 480 units occurrences -4.0 -2.0 0.0 2.0 4.0 t a (c) 0% 10% 20% 30% 40% 50% 60% - 4 . 0 - 2 . 0 0 . 0 2 . 0 4 . 0 o c c u r r e n c e s temperature accuracy (c) t a = 65\c v dd = 4.1v 480 units t a (c) -4.0 -2.0 0.0 2.0 4.0 occurrences -4.0 -2.0 0.0 2.0 4.0 t a (c) -4.0 -2.0 0.0 2.0 4.0 t a (c) occurrences 0% 10% 20% 30% 40% 50% 60% - 4 . 0 - 2 . 0 0 . 0 2 . 0 4 . 0 o c c u r r e n c e s temperature accuracy (c) t a = 105\ c v dd = 4.1v 480 units occurrences t a (c) -4.0 -2.0 0.0 2.0 4.0 0% 10% 20% 30% 40% 50% 60% - 4 . 0 - 2 . 0 0 . 0 2 . 0 4 . 0 o c c u r r e n c e s temperature accuracy (c) t a = 115\ c v dd = 4.1v 480 units -4.0 -2.0 0.0 2.0 4.0 t a (c) occurrences 0% 10% 20% 30% 40% 50% 60% - 4 . 0 - 2 . 0 0 . 0 2 . 0 4 . 0 o c c u r r e n c e s temperature accuracy (c) t a = 125\ c v dd = 4.1v 480 units occurrences t a (c) -4.0 -2.0 0.0 2.0 4.0 MCP9501/2/3/4 ds22268a-page 6 ? 2011 microchip technology inc. 3.0 pin descriptions table 3-1: pin function table 3.1 ground (gnd) the gnd pin is the system ground pin. pin 2 must be connected to system ground. pin 1 can also be connected to system ground which would provide better thermal conduction to the die. 3.2 hysteresis input (hys) this is an input pin which can be connected to v dd or gnd to select output hysteresis. either 2c (hyst = gnd) or 10c (hyst = v dd ) of typical hysteresis can be selected. 3.3 power pin (v dd ) the operating voltage range, as specified in the dc electrical specification table, is applied on this pin. 3.4 switch output (output) this output is triggered when temperature rises or falls beyond the programmed trip temperature threshold. MCP9501/3 require an external pull-up resistor. MCP9501/2/3/4 symbol description sot-23-5 1 gnd ground 2 gnd ground (must be connected to ground) 3 hyst hysteresis selection input: hyst = gnd hysteresis is 2c (typical) hyst = v dd hysteresis is 10c (typical) 4v dd power pin 5 output output options: MCP9501 open-drain, active-low output (hot-option) mcp9502 push-pull, active-high output (hot-option) mcp9503 open-drain, active-low output (cold-option) mcp9504 push-pull, active-high output (cold-option) ? 2011 microchip technology inc. ds22268a-page 7 MCP9501/2/3/4 notes: MCP9501/2/3/4 ds22268a-page 8 ? 2011 microchip technology inc. 4.0 functional description the MCP9501/2/3/4 temperature switch family integrates a thermal diode, a comparator, and a factory selectable resistive network used to set the temperature thresholds. the available output thresholds range from -35c to 125c at 10c increments. there is no additional configuration required to operate this device. the selectable output hysteresis is controlled using a single input pin. when this pin is connected to ground, the output hysteresis is 2c (typical) and when connected to v dd the output hysteresis is 10c (typical). figure 4-1 shows the functional block diagram. figure 4-1: functional block diagram. there are two output configurations for this family, a push-pull and an open-drain output with active-high and active-low assertions. these assertion options are referred to as cold and hot options, primarily due to the direction of selected hysteresis. for the cold option, temperature has to fall below the threshold for the output to assert high, and de-assert low when the temperature rises above the threshold plus the hysteresis. for example, a 65c threshold and 2c (typical) hysteresis, when temperature falls below 65c the output asserts high, and the de-asserts low when temperature rises above 67c. for the hot option, the opposite is true. when temperature rises above 65c, the output asserts low, and de-asserts high when the temperature falls below 63c. figure 4-2 shows a graphical description for the hot and cold options. figure 4-2: output hysteresis. the push-pull output is ideal for a microcontroller interface using an input/output pin or an interrupt input pin. the open-drain option can be used with multiple sensors in a wired-or configuration or as a level shifter. i set r x + - out/ out thermal diode hysteresis select pin threshold select cold hot t set t hyst temperature v output 10c typical hysteresis 2c typical hysteresis cold hot t set t hyst temperature v output 10c typical hysteresis 2c typical hysteresis hot-option (active-low) cold-option (active-high) ? 2011 microchip technology inc. ds22268a-page 9 MCP9501/2/3/4 4.1 application information the MCP9501/2/3/4 temperature switch family integrates a temperature sensor and a comparator circuit which outputs an alert signal when the factory set temperature threshold is exceeded. no additional component is required for device operation, which provides simplicity to the system designer. the device output options provide design flexibility for various applications such as overtemperature protection circuit or a closed loop temperature control unit. this device can be interfaced to a closed loop fan controller network without the need for a microcontroller. figure 4-3: fan controller using mcp9502. the MCP9501/2/3/4 provide open-drain output where multiple sensors from multiple pcb hot-spots can be connected to a single processor i/o input with a wired- or configuration. the MCP9501 requires an external pull-up resistor which can be used to level-shift the alert signal. for example, if the sensors are powered with 5v dd and the controller or processor is powered with 3v dd , the external resistor can be level-shifted by connecting 3v dd to the pull-up resistor as shown in figure 4-4 . figure 4-4: MCP9501 wired-or output configuration with level-shift. 4.1.1 layout consideration and thermal consideration this family of sensors measures temperature by monitoring the voltage level of a thermal diode located in the die. a low-impedance thermal path between the die and the pcb is provided by the pins. therefore, the sensor effectively monitors pcb temperature. for efficient performance, it is recommended to layout the device as close to the heat source as possible. when connecting an external resistor to the MCP9501/ 3, the current through the pull-up resistor must be considered to prevent self-heat due to power. this can be determined using equation 4-1 . equation 4-1: effect of self-heating for example, at room temperature, when the output asserts active-low and maximum i dd = 50 a, v dd =5.5v, v ol = 0.3v and i out = 5 ma (see the specification table), the self heating due to power dissipation (t j - t a ) is ~0.4c. output hyst 5v dd mcp9502 12v m out hyst 5v dd out hyst 5v dd i/o r pull_up micro- controller MCP9501 85c mcp9503 35c 3v dd where: t j = junction temperature t a = ambient temperature ja = package thermal resistance (220.7 c/w) v ol = sensor output low voltage i out = output current t j t a ? ja v dd i dd v ol i out + () = MCP9501/2/3/4 ds22268a-page 10 ? 2011 microchip technology inc. 4.1.2 power supply rejection the MCP9501/2/3/4 family does not require any additional components. however, it is recommended that a decoupling capacitor of 0.1 f to 1 f be used between the v dd and gnd pins. a high-frequency ceramic capacitor is recommended. it is necessary for the capacitor to be located as close as possible to the power pins in order to provide effective noise protection. figure 4-5: power-supply filter using a single resistor. for applications where a switching regulator is used to power the sensor, it is recommended to add a 200 resistor in series to v dd to filter out the switcher noise. it is also recommended to add the series resistor in applications where a linear regulator is used to step-down a switching regulator voltage to power the sensor, as shown in figure 4-5 . for example, if a linearly regulated 3.3v from a 5v switching regulator is used to power the sensor, add a 200 series resistor. the MCP9501/2/3/4 family of sensors is designed to prevent false output trigger due to high frequency power supply or system noise. figure 4-6 shows the device performance with a high frequency signal added on v dd . the output is not triggered due to the signal added on v dd . with some applications, it is recommended to add a bypass capacitor of 0.1 f to 1f. figure 4-6: power supply rejection. v dd 200 MCP9501/2/3/4 switching regulator 0.1 f bypass v dd 200 MCP9501/2/3/4 switching regulator 0.1 f bypass regulator linear 0 1 2 3 4 5 6 10 100 1000 10000 100000 1000000 10000000 o u t p u t v o l t a g e ( v ) frequency (hz) MCP9501/2/3/4 t set = 25\ c power supply rejection no false trigger 1 0 k 1 0 0 k 1 m 1 0 m 1 k 1 0 0 1 0 v dd = 5v + 400mv ac v dd = 5v + 400mv sqr t set = 25\ c t a = 23\c frequency (hz) output voltage (v) ? 2011 microchip technology inc. ds22268a-page 11 MCP9501/2/3/4 notes: MCP9501/2/3/4 ds22268a-page 12 ? 2011 microchip technology inc. 5.0 packaging information 5.1 package marking information 1 23 5 4 5-lead sot-23 example: xxnn 1 23 5 4 xl25 device code device code hot options MCP9501pt-005e/ot wvnn mcp9502pt-005e/ot xlnn MCP9501pt-015e/ot wwnn mcp9502pt-015e/ot xmnn MCP9501pt-025e/ot wxnn mcp9502pt-025e/ot xpnn MCP9501pt-035e/ot wynn mcp9502pt-035e/ot xqnn MCP9501pt-045e/ot wznn mcp9502pt-045e/ot xrnn MCP9501pt-055e/ot x1nn mcp9502pt-055e/ot xsnn MCP9501pt-065e/ot x2nn mcp9502pt-065e/ot xtnn MCP9501pt-075e/ot x3nn mcp9502pt-075e/ot xunn MCP9501pt-085e/ot x4nn mcp9502pt-085e/ot xvnn MCP9501pt-095e/ot x5nn mcp9502pt-095e/ot xwnn MCP9501pt-105e/ot x6nn mcp9502pt-105e/ot xxnn MCP9501pt-115e/ot x7nn mcp9502pt-115e/ot xynn MCP9501pt-125e/ot x8nn mcp9502pt-125e/ot xznn mcp9503pt-005e/ot xhnn MCP9501pt-005e/ot y9nn mcp9503pt-015e/ot xjnn MCP9501pt-015e/ot yann mcp9503pt-125e/ot xknn MCP9501pt-025e/ot ybnn cold options mcp9503nt-005e/ot xbnn MCP9501nt-005e/ot y3nn mcp9503nt-015e/ot xcnn MCP9501nt-015e/ot y4nn mcp9503nt-025e/ot xdnn MCP9501nt-025e/ot y5nn mcp9503nt-035e/ot xenn MCP9501nt-035e/ot y6nn legend: xx...x customer-specific information y year code (last digit of calendar year) yy year code (last 2 digits of calendar year) ww week code (week of january 1 is week ?01?) nnn alphanumeric traceability code pb-free jedec designator for matte tin (sn) * this package is pb-free. the pb-free jedec designator ( ) can be found on the outer packaging for this package. note : in the event the full microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. 3 e 3 e note: contact microchip for all other threshold options. ? 2011 microchip technology inc. ds22268a-page 13 MCP9501/2/3/4 !" !#$! !% #$ !% #$ # & ! ! !# "' ( )*+ ) # & #, $ --#$## .# #$ # / ! - 0 # 1 / % # # ! # ## +22--- 2 / 3# 44 "" 4 # 5 56 7 5$ 8 %1 5 ( 4 !1# ()* 6$# ! 4 !1# )* 6, 9 # : ( ! !1 / / ; : # !%% : ( 6, <!# " : ! !1 / <!# " : ; 6, 4 # : .#4 # 4 : = .# # 4 ( : ; .# > : > 4 !/ ; : = 4 !<!# 8 : ( n b e e1 d 1 2 3 e e1 a a1 a2 c l l1 - * ) MCP9501/2/3/4 ds22268a-page 14 ? 2011 microchip technology inc. note: for the most current package drawings, please see the microchip packaging specification located at http://www.microchip.com/packaging ? 2011 microchip technology inc. ds22268a-page 15 MCP9501/2/3/4 appendix a: revision history revision a (january 2011) ? original release of this document. MCP9501/2/3/4 ds22268a-page 16 ? 2011 microchip technology inc. notes: ? 2011 microchip technology inc. ds22268a-page 17 MCP9501/2/3/4 product identification system to order or obtain information, e. g., on pricing or delivery, refer to the factory or the listed sales office . device: MCP9501p: resistor programmable temperature switch, hot option mcp9502p resistor programmable temperature switch, hot option mcp9503n: resistor programmable temperature switch, cold option mcp9504n resistor programmable temperature switch, cold option temperature switch threshold: 005, 015, 025, 035, 045, 055, 065, 075, 085, 095, 105, 115, 125 temperature range: e = -40c to +125c package: ot = plastic small outline transistor (sot-23), 5-lead part no. -xx x x /xx package temperature switch threshold device examples: a) MCP9501pt-025e/ot: active-low, open-drain output, 25c switch threshold, hot option, extended temp., 5ld sot-23 pkg. b) mcp9502pt-025e/ot: active-high, push-pull output, 25c switch threshold, hot option, extended temp., 5ld sot-23 pkg. c) mcp9503nt-025e/ot: active-low, open-drain output, -25c switch threshold, cold option, extended temp., 5ld sot-23 pkg. d) mcp9504nt-025e/ot: active-high, push-pull output, -25c switch threshold, cold option, extended temp., 5ld sot-23 pkg. e) MCP9501pt-105e/ot: active-low, open-drain output, 105c switch threshold, hot option, extended temp., 5ld sot-23 pkg. f) mcp9502pt-105e/ot: active-high, push-pull output, 105c switch threshold, hot option, extended temp., 5ld sot-23 pkg. g) mcp9503nt-035e/ot: active-low, open-drain output, -35c switch threshold, cold option, extended temp., 5ld sot-23 pkg. h) mcp9504nt-035e/ot: active-high, push-pull output, -35c switch threshold, cold option, extended temp., 5ld sot-23 pkg. x temperature range MCP9501/2/3/4 ds22268a-page 18 ? 2011 microchip technology inc. notes: ? 2011 microchip technology inc. ds22268a-page 19 information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. it is your responsibility to ensure that your application meets with your specifications. microchip makes no representations or warranties of any kind whether express or implied, written or oral, statutory or otherwise, related to the information, including but not limited to its condition, quality, performance, merchantability or fitness for purpose . microchip disclaims all liability arising from this information and its use. use of microchip devices in life support and/or safety applications is entirely at the buyer?s risk, and the buyer agrees to defend, indemnify and hold harmless microchip from any and all damages, claims, suits, or expenses resulting from such use. no licenses are conveyed, implicitly or otherwise, under any microchip intellectual property rights. trademarks the microchip name and logo, the microchip logo, dspic, k ee l oq , k ee l oq logo, mplab, pic, picmicro, picstart, pic 32 logo, rfpic and uni/o are registered trademarks of microchip technology incorporated in the u.s.a. and other countries. filterlab, hampshire, hi-tech c, linear active thermistor, mxdev, mxlab, seeval and the embedded control solutions company are registered trademarks of microchip technology incorporated in the u.s.a. analog-for-the-digital age, appl ication maestro, codeguard, dspicdem, dspicdem.net, dspicworks, dsspeak, ecan, economonitor, fansense, hi-tide, in-circuit serial programming, icsp, mindi, miwi, mpasm, mplab certified logo, mplib, mplink, mtouch, octopus, omniscient code generation, picc, picc-18, picdem, picdem.net, pickit, pictail, real ice, rflab, select mode, total endurance, tsharc, uniwindriver, wiperlock and zena are trademarks of microchip tec hnology incorporated in the u.s.a. and other countries. sqtp is a service mark of microchip technology incorporated in the u.s.a. all other trademarks mentioned herein are property of their respective companies. ? 2011, microchip technology incorporated, printed in the u.s.a., all rights reserved. printed on recycled paper. isbn: 978-1-60932-861-0 note the following details of the code protection feature on microchip devices: ? microchip products meet the specification cont ained in their particular microchip data sheet. ? microchip believes that its family of products is one of the most secure families of its kind on the market today, when used i n the intended manner and under normal conditions. ? there are dishonest and possibly illegal methods used to breach the code protection feature. all of these methods, to our knowledge, require using the microchip produc ts in a manner outside the operating specif ications contained in microchip?s data sheets. most likely, the person doing so is engaged in theft of intellectual property. ? microchip is willing to work with the customer who is concerned about the integrity of their code. ? neither microchip nor any other semiconduc tor manufacturer can guarantee the security of their code. code protection does not mean that we are guaranteeing the product as ?unbreakable.? code protection is constantly evolving. we at microchip are co mmitted to continuously improvin g the code protection features of our products. attempts to break microchip?s code protection feature may be a violation of the digital millennium copyright act. if such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that act. microchip received iso/ts-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in chandler and tempe, arizona; gresham, oregon and design centers in california and india. the company?s quality system processes and procedures are for its pic ? mcus and dspic ? dscs, k ee l oq ? code hopping devices, serial eeproms, microperipherals, nonvolatile memory and analog products. in addition, microchip?s quality system for the design and manufacture of development systems is iso 9001:2000 certified. ds22268a-page 20 ? 2011 microchip technology inc. americas corporate office 2355 west chandler blvd. chandler, az 85224-6199 tel: 480-792-7200 fax: 480-792-7277 technical support: http://support.microchip.com web address: www.microchip.com atlanta duluth, ga tel: 678-957-9614 fax: 678-957-1455 boston westborough, ma tel: 774-760-0087 fax: 774-760-0088 chicago itasca, il tel: 630-285-0071 fax: 630-285-0075 cleveland independence, oh tel: 216-447-0464 fax: 216-447-0643 dallas addison, tx tel: 972-818-7423 fax: 972-818-2924 detroit farmington hills, mi tel: 248-538-2250 fax: 248-538-2260 kokomo kokomo, in tel: 765-864-8360 fax: 765-864-8387 los angeles mission viejo, ca tel: 949-462-9523 fax: 949-462-9608 santa clara santa clara, ca tel: 408-961-6444 fax: 408-961-6445 toronto mississauga, ontario, canada tel: 905-673-0699 fax: 905-673-6509 asia/pacific asia pacific office suites 3707-14, 37th floor tower 6, the gateway harbour city, kowloon hong kong tel: 852-2401-1200 fax: 852-2401-3431 australia - sydney tel: 61-2-9868-6733 fax: 61-2-9868-6755 china - beijing tel: 86-10-8528-2100 fax: 86-10-8528-2104 china - chengdu tel: 86-28-8665-5511 fax: 86-28-8665-7889 china - chongqing tel: 86-23-8980-9588 fax: 86-23-8980-9500 china - hong kong sar tel: 852-2401-1200 fax: 852-2401-3431 china - nanjing tel: 86-25-8473-2460 fax: 86-25-8473-2470 china - qingdao tel: 86-532-8502-7355 fax: 86-532-8502-7205 china - shanghai tel: 86-21-5407-5533 fax: 86-21-5407-5066 china - shenyang tel: 86-24-2334-2829 fax: 86-24-2334-2393 china - shenzhen tel: 86-755-8203-2660 fax: 86-755-8203-1760 china - wuhan tel: 86-27-5980-5300 fax: 86-27-5980-5118 china - xian tel: 86-29-8833-7252 fax: 86-29-8833-7256 china - xiamen tel: 86-592-2388138 fax: 86-592-2388130 china - zhuhai tel: 86-756-3210040 fax: 86-756-3210049 asia/pacific india - bangalore tel: 91-80-3090-4444 fax: 91-80-3090-4123 india - new delhi tel: 91-11-4160-8631 fax: 91-11-4160-8632 india - pune tel: 91-20-2566-1512 fax: 91-20-2566-1513 japan - yokohama tel: 81-45-471- 6166 fax: 81-45-471-6122 korea - daegu tel: 82-53-744-4301 fax: 82-53-744-4302 korea - seoul tel: 82-2-554-7200 fax: 82-2-558-5932 or 82-2-558-5934 malaysia - kuala lumpur tel: 60-3-6201-9857 fax: 60-3-6201-9859 malaysia - penang tel: 60-4-227-8870 fax: 60-4-227-4068 philippines - manila tel: 63-2-634-9065 fax: 63-2-634-9069 singapore tel: 65-6334-8870 fax: 65-6334-8850 taiwan - hsin chu tel: 886-3-6578-300 fax: 886-3-6578-370 taiwan - kaohsiung tel: 886-7-213-7830 fax: 886-7-330-9305 taiwan - taipei tel: 886-2-2500-6610 fax: 886-2-2508-0102 thailand - bangkok tel: 66-2-694-1351 fax: 66-2-694-1350 europe austria - wels tel: 43-7242-2244-39 fax: 43-7242-2244-393 denmark - copenhagen tel: 45-4450-2828 fax: 45-4485-2829 france - paris tel: 33-1-69-53-63-20 fax: 33-1-69-30-90-79 germany - munich tel: 49-89-627-144-0 fax: 49-89-627-144-44 italy - milan tel: 39-0331-742611 fax: 39-0331-466781 netherlands - drunen tel: 31-416-690399 fax: 31-416-690340 spain - madrid tel: 34-91-708-08-90 fax: 34-91-708-08-91 uk - wokingham tel: 44-118-921-5869 fax: 44-118-921-5820 worldwide sales and service 08/04/10 |
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