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ds97key2100 a1-1 1 p roduct s pecification Z08615 1 nmos 8-b it z8 mcu k eyboard c ontroller features n low power consumption - 750 mw n digital inputs nmos levels with internal pull-up resistors n four direct connect led drive ports n hardware watch-dog timer (wdt) n two programmable 8-bit counter/timers, each with 6-bit programmable prescaler n six vectored, priority interrupts from six different sources n on-chip oscillator that accepts an rc (capacitor on- board), crystal, ceramic resonator, or external clock drive (mask options) n clock frequency: rc = 8 to 10 mhz crystal = 4 to 5 mhz n low emi emission general description the Z08615 keyboard controller is a member of the z8 single-chip microcontroller family with 4 kbytes of rom. the device is housed in a 40-pin dip and 44-pin plcc package, and is manufactured in nmos technology. the Z08615 microcontroller offers fast execution, efficient use of memory, sophisticated interrupt, input/output bit-manip- ulation capabilities, and easy hardware/software system expansion along with low cost and low power consump- tion. the Z08615 architecture is characterized by a flexible i/o scheme, an efficient register, i/o, and a number of ancillary features that are useful in many industrial and advanced scientific applications. for applications which demand powerful i/o capabilities, the Z08615 provides 32 pins dedicated to input and output. these lines are grouped into four ports, each port consists of 8 lines, and are configurable under software control to provide timing, status signals, and serial or parallel i/o ports. the Z08615 offers low emi emission which is achieved by means of several modifications in the output drivers and clock circuitry of the device. there are two basic address spaces which are available to support this wide range of configurations: program memo- ry and 124 general-purpose registers. the Z08615 offers two on-chip counter/timers with a large number of user-selectable modes. this unburdens the pro- gram from coping with real-time problems such as count- ing/timing (figure 1). power connections follow conventional descriptions be- low: device rom (kb) ram* (bytes) i/o lines speed (mhz) Z08615 4 124 32 5 note: *general-purpose connection circuit device power v cc v dd ground gnd v ss
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-2 ds97key2100 general description (continued) figure 1. Z08615 functional block diagram port 3 counter/ timers (2) interrupt control port 2 i/o (bit programmable) alu flags register pointer register file 124 x 8-bit machine timing & instruction control program memory program counter vcc gnd output input port 0 port 1 i/o output open-drain (nibble programmable) i/o output open-drain (byte programmable) 44 8 wdt por xtal xtal2 reset wdtout
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-3 1 pin descriptions figure 2. Z08615 40-pin dip pin con?uration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 vcc xt al2 xt al1 p37 p30 reset *gnd *n/c wdtout p35 gnd p32 p00 p01 p02 p03 p04 p05 p06 p07 p36 p31 p27 p26 p25 p24 p23 p22 p21 p20 p33 p34 p17 p16 p15 p14 p13 p12 p11 p10 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 Z08615 dip note: * pin 8 is connected to the chip, although used only for testing. this pin must float. pin 7 is a test pin and must be grounded. table 1. Z08615 40-pin dip identi?ation pin # symbol function direction 1v cc power supply input 2 xtal2 crystal oscillator clock output 3 xtal1 crystal oscillator clock input 4 p37 port 3, pin 7 output 5 p30 port 3, pin 0 input 6 reset reset input *7 gnd ground *8 n/c not connected 9 wdt out watch-dog timer output 10 p35 port 3, pin 5 output 11 gnd ground input 12 p32 port 3, pin 2 input 13-20 p07-p00 port 0, pins 0,1,2,3,4,5,6,7in/output 21-28 p17-p10 port 1, pins 0,1,2,3,4,5,6,7in/output 29 p34 port 3, pin 4 output 30 p33 port 3, pin 3 input 31-38 p27-p20 port 2, pins 0,1,2,3,4,5,6,7in/output 39 p31 port 3, pin 1 input 40 p36 port 3, pin 6 output table 1. Z08615 40-pin dip identi?ation pin # symbol function direction
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-4 ds97key2100 pin descriptions (continued) figure 3. Z08615 44-pin plcc pin con?uration n/c p24 p23 p22 p21 p20 p33 p34 p17 p16 p15 /reset *gnd *n/c /wdtout p35 gnd p32 p00 p01 p02 n/c 7 8 9 10 11 12 13 14 15 16 17 38 37 36 35 34 33 32 31 30 29 39 z8615 plcc 6543214443424140 18 19 20 21 22 23 24 25 26 27 28 note: * pin 9 is connected to the chip, although used only for testing. this pin must float. pin 8 is a test pin and must be grounded. table 2. Z08615 44-pin plcc pin identi?ation pin # symbol function direction 1v cc power supply input 2 xtal2 crystal oscillator clock output 3 xtal1 crystal oscillator clock input 4 p37 port 3, pin 7 output 5 p30 port 3, pin 0 input 6 n/c not connected 7 reset reset input *8 gnd ground *9 n/c not connected 10 wdt out watch-dog timer output 11 p35 port 3, pin 5 output 12 gnd ground input 13 p32 port 3, pin 2 input 14-16 p02/p00 port 0, pins 0, 1, 2 in/output 17 n/c not connected 18-22 p07-p03 port 0, pins 3, 4, 5, 6, 7 in/output 23-27 p14-p10 port 1, pins 0, 1, 2, 3, 4 in/output 28 n/c not connected 29-31 p17-p15 port 1, pins 5, 6, 7 in/output 32 p34 port 3, pin 4 output 33 p33 port 3, pin 3 input 34-38 p24-p20 port 2, pins 0, 1, 2, 3, 4 in/output 39 n/c not connected 40-42 p27-p25 port 2, pins 5, 6, 7 in/output 43 p31 port 3, pin 1 input 44 p36 port 3, pin 6 output table 2. Z08615 44-pin plcc pin identi?ation pin # symbol function direction
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-5 1 absolute maximum ratings stresses greater than those listed under absolute maxi- mum ratings may cause permanent damage to the de- vice. this is a stress rating only; operation of the device at any condition above those indicated in the operational sec- tions of these specifications is not implied. exposure to ab- solute maximum rating conditions for extended periods may affect device reliability. standard test conditions the characteristics listed below apply for standard test conditions as noted. all voltages are referenced to ground. positive current flows into the referenced pin (figure 4). capacitance t a = 25 c, vcc = gnd = 0v, f = 1.0 mhz, unmeasured pins returned to ground. sym. parameter min. max. units v dd supply voltage* ?.3 +7 v t stg storage temp. ?5 +150 c t a oper. ambient temp. ? ? c note: *voltages on all pins with respect to ground. ?see ordering information. figure 4. test load diagram from output under test 150 pf i parameter min. max. input capacitance 0 12 pf output capacitance 0 12 pf i/o capacitance 0 12 pf
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-6 ds97key2100 dc electrical characteristics v cc = 4.75v to 5.25v @ 0 c to -55 c sym parameter min max typ* unit condition notes v ch clock input high voltage 3.8 v cc v driven by external clock generator v cl clock input low voltage ?.3 0.8 v driven by external clock generator v ih input high voltage 2.0 v cc v v il input low voltage ?.3 0.8 v v rh reset input high voltage 3.8 v cc v v rl reset input low voltage ?.3 0.8 v v oh output high voltage 2.0 v i oh = ?50 m a (port 2 only) output high voltage 2.4 v i oh = ?50 m a (port 3 only) v ol output low voltage 0.8 v i ol = 10.0 ma 1 i il input leakage ?0 10 m av in = 0v, 5.25v 3 i ol output leakage ?0 10 m av in = 0v, 5.25v) 2 i ir reset input current ?35 ?75 ?77 m av in = 0v, 5.25v i r1 input current ?35 ?75 m a pull-up resistor=10.4 kohms, v in =5.25v i r2 input current ?.6 ?.9 ma pull-up resistor = 2.4 kohms, v in =0.0v i cc vcc supply current 150 ma wdt watch-dog timer 2.0 ma v ol =0.4 volt notes: * typical @ 25 c 1. ports p37-p34 may be used to sink 12 ma at 2.8v. these may be used for leds or as general-purpose outputs requiring high sink current. 2. p00-p07, p10-p17, p20-p25, p30-p33 as output mode open-drain as a logic one. 3. p00-p07, p10-p17, p20-p25, p30-p33 as output mode open-drain as a logic one.
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-7 1 pin functions xtal1, xtal2 . crystal in, crystal out (time-based input and output, respectively). these pins connect a parallel- resonant crystal, lc, or an external single-phase clock to the on-chip clock oscillator and buffer. port 0 (p07-p00). port 0 is an 8-bit, nibble programmable, bi-directional, nmos compatible i/o port. these eight i/o lines can be configured under software control as a nibble input port, or as a nibble open-drain output port. when used as an i/o port, inputs are standard nmos (figure 5). port p03-p00 has 10.4 kohms ( 35%) pull-up resistors when configured as inputs. figure 5. port 0 con?uration port 0 i/o (open-drain output) z8615 4 4 input output pad oen 10.4 kohms (a) port p00-p03 input output pad oen (b) port p04-p07
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-8 ds97key2100 port 1 (p17-p10) port 1 is an 8-bit, byte programmable, bi- directional, nmos compatible i/o port. these eight i/o lines are configured under software control program as a byte input port or as an open-drain output port. when used as an i/o port, inputs are standard nmos (figure 6). figure 6. port 1 p17-p10 con?uration port 1 i/o (open-drain output) z8615 8 input output pad oen
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-9 1 port 2 (p27-p20). port 2 is an 8-bit, bit-programmable, bi- directional, nmos-compatible i/o port. these eight i/o lines are configured under the software control program for i/o. port 2 can be programmed as bit-by-bit independently, as input or output, or configured to provide open-drain out- puts (figure 7). p26 and p27 have 2.4 kohms ( 25%) pull- up resistors and are capable of sourcing 2.4 ma. p24 and p25 have 10.4 kohms ( 35%) pull-up when configured as inputs. figure 7. port 2 p27-p20 con?uration open-drain out oen in pad input (a) ports p20-p23 port 2 (i/o) z8615 open-drain out oen in pad 10.4 kohms input (b) ports p24-p25 open-drain out oen in pad 2.4 kohms input (c) ports p26-p27
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-10 ds97key2100 pin functions (continued) port 3 (p37-p30). port 3 is an 8-bit, nmos compatible four-fixed-input and four-fixed-output i/o port. these eight i/o lines have four-fixed-input (p33-p30) and four-fixed- output (p37-p34) ports. port 3 outputs have 10.4 kohms ( 25%) pull-up resistors and are capable of driving up to four leds. port 3 is configured under software control to provide the following control functions: four external interrupt request signals (irq3-irq0); timer input and output signals (tin and tout - figure 8). reset (input, active low). when activated, rese t initial- izes the Z08615. when reset is deactivated, program execution begins from the internal program location at 000ch. reset pin has a 10.4 kohms pull-up resistor. once this pin is pulled low, it takes about 150 m s for micro- con-troller initialization. figure 8. port 3 p37-p30 con?uration port 3 (i/o or control) z8615 input pad output pad (a) port 3 p34-p37 (b) port 3 p30-p33 10.4 kohms
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-11 1 the device incorporates special functions to enhance zilog's z8 applications as a keyboard controller, scientific research and advanced technologies applications. program memory. the 16-bit program counter address- es 4 kb of program memory space at internal locations (figure 9). the first 12 bytes of program memory are reserved for the interrupt vectors. these locations have six 16-bit vectors that correspond to the six available interrupts. byte 12 to byte 4095 consists of on-chip, mask pro- grammed rom. addresses 4096 and greater are re- served. register file . the register file (figure 10) consists of four i/o port registers, 124 general-purpose registers and 16 control and status registers (r3-r0, r127-r4, and r255- r240, respectively). the instructions can access registers directly or indirectly through an 8-bit address field. this al- lows short, 4-bit register addressing using the register figure 9. program memory map 12 11 10 9 8 7 6 5 4 3 2 1 0 on-chip rom location of first byte of instruction executed after reset interrupt vector (lower byte) interrupt vector (upper byte) irq5 irq4 irq4 irq3 irq3 irq2 irq2 irq1 irq1 irq0 irq0 irq5 65535 4096 4095 reserved figure 10. register file stack pointer (bits 7-0) r255 general-purpose register (bits 7-0) register pointer program control flags interrupt mask register interrupt request register interrupt priority register ports 1-0 mode port 3 mode port 2 mode t0 prescaler timer/counter0 t1 prescaler timer/counter1 timer mode reserved not implemented general-purpose registers port 3 port 2 port 1 port 0 r254 r253 r252 r251 r250 r249 r248 r247 r246 r245 r244 r243 r242 r241 r240 r127 r3 r2 r1 r0 spl gpr rp flags imr irq ipr p01m p3m p2m preq t0 pre1 t1 tmr p3 p2 p1 p0 r4 location identifiers
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-12 ds97key2100 pin functions (continued) pointer (figure 11). in the 4-bit mode, the register file is di- vided into nine working-register groups, each occupying 16 continuous locations. the register pointer addresses the starting location of the active working-register group. stack . the Z08615 internal register files are used for the stack. an 8-bit stack pointer (r255) is used for the internal stack that resides within the 124 general-purpose regis- ters. figure 11. register pointer the upper nibble of the register file address provided by the register pointer specifies the active working-register group. r7 r6 r5 r4 r253 (register pointer) i/o ports specified working register group the lower nibble of the register file address provided by the instruction points to the specified register. r3 r2 r1 r0 register group 1 register group 0 r15 to r0 register group f r15 to r4 r3 to r0 r15 to r0 ff f0 0f 00 1f 10 2f 20
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-13 1 counter/timers . there are two 8-bit programmable counter/timers (t0-t1), each driven by its own 6-bit pro- grammable prescaler. the t1 prescaler can be driven by internal or external clock sources, however, the t0 pres- caler is driven by the internal clock only (figure 12). the 6-bit prescalers can further divide the input frequency of the clock source by any integer number from 1 to 64. each prescaler drives its own counter, which decrements the value (1 to 256) that has been loaded into the counter. when both the counter and prescaler reach the end of count, a timer interrupt request, irq4 (t0) or irq5 (t1), is generated. the counter can be programmed to start, stop, restart to continue, or restart from the initial value. the counters can also be programmed to stop upon reaching zero (single pass mode) or to automatically reload the initial value and continue counting (modulo-n continuous mode). the counters, but not the prescalers, are read at any time without disturbing their value or count mode. the clock source for t1 is user-definable and are either the internal microprocessor clock divided by four, or an external signal input through port 3. the timer mode register configures the external timer input as an external clock, a trigger input that can be retriggerable or non-triggerable, or as a gate input for the internal clock. the counter/timers can be pro- grammable cascaded by connecting the t0 output to the input of t1. port 3 lines p36 also serves as a timer output (tout) through which t0, t1 or the internal clock are out- put. figure 12. counter/timers block diagram pre0 initial value register t0 initial value register t0 current value register 6-bit down counter 8-bit down counter ? 4 6-bit down counter 8-bit down counter pre1 initial value register t1 initial value register t1 current value register clock logic irq4 t p36 out irq5 internal data bus write w rite read internal clock gated clock triggered clock t p31 write w rite read internal data bus external clock internal clock ? 4 ? 2 in mask programmable osc rc osc ? 2 xtal 2
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-14 ds97key2100 pin functions (continued) interrupts . the Z08615 has six different interrupts from six different sources. these interrupts are maskable and prioritized (figure 13). the six sources are divided as fol- lows: four sources are claimed by port 3 lines p33-p30, and two are claimed by the counter/timers. the interrupt masked register globally or individually enables or dis- ables the six interrupts requests. when more than one interrupt is pending, priorities are re- solved by a programmable priority encoder that is con- trolled by the interrupt priority register. all interrupts are vectored through locations in the program memory. when an interrupt machine cycle is activated an interrupt request is granted. this disables all of the subsequent interrupts, saves the program counter and status flags, and then branches to the program memory vector location reserved for that interrupt. this memory location and the next byte contain the 16-bit address of the interrupt service routine for that particular interrupt request. to accommodate polled interrupt systems, interrupt inputs are masked and the interrupt request register is polled to determine which of the interrupt request needs service. figure 13. interrupt block diagram irq imr ipr priority logic 6 global interrupt enable vector select interrupt request 6 irq0-irq5
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-15 1 clock . the Z08615 on-chip oscillator has a high-gain, par- allel-resonant amplifier for connection to a crystal, ceramic resonator, or any suitable external clock source (xtal1 = input, xtal2 = output). the internal clock oscillates at the crystal frequency. the crystal should be at cut, 5 mhz max, with a series resistance (rs) less than or equal to 100 ohms. the crystal should be connected across xtal1 and xtal2 using the supplier's recommended capacitors from each pin to ground (figure 14). capacitance is between 50 pf to 150 pf depending upon the manufacturer of crys- tal, ceramic resonator and pcb layout. rc oscillator. the Z08615 provides an internal capacitor to accommodate an rc oscillator configuration. a 1% pre- cision resistor is necessary to achieve 10% accurate fre- quency oscillation. emi. the Z08615 offers low emi emission due to circuit modifications to improve emi performance. the internal di- vide-by-two circuit has been removed to improve emi per- formance. watch-dog timer (wdt) . the Z08615 is equipped with a hardware watch-dog timer which will be turned on au- tomatically by power-on (figure 16). the watch-dog tim- er must be refreshed at least once every 50 ms by execut- ing the instruction wdt (opcode = %5f), otherwise the Z08615 will reset itself if wdtout pin 9 is connected to reset (pin 6). figure 16 shows the block diagram of wdt. the watch-dog timer is automatically enabled upon pow- er-up of the microcontroller and reset going high. the wdtout pin can be connected to the reset pin to pro- vide an automatic reset upon wdt time-out. during wdt time-out, the wdtout pin goes low for approximately 8- 15 m s. wdt hot bit . bit 7 of the interrupt request register (irr register fah) determines whether a hot start or cold start occurred. a cold start is defined as a rest occurring from the power-up of the Z08615 (bit 7 is set to zero upon pow- er-up). a hot start occurs when a wdt time-out has oc- curred (bit 7 is set to 1). bit 7 of the irq register is read- only and is automatically reset to 0 when accessed. power-on reset . upon power-up of the microcontroller, a reset condition is enabled. a delay of 150 ms 20% is used to assist in initializing the microcontroller. figure 14. oscillator con?uration ceramic resonator or crystal xtal1 xtal2 external clock xtal1 xtal2 rc oscillator xtal1 nc 1% precision xtal2 5v
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-16 ds97key2100 figure 15. wdt turn-on timing after reset reset vcc wdt output internal reset por 8-15 m s reset delay * reset delay = por 150 ms 20% figure 16. wdt block diagram reset internal reset counter reset logic 50 ms 10.4 kohms internal rc wdt 150 ms
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-17 1 z8 control registers figure 17. timer mode register (f1 h :read/write) figure 18. counter timer 1 register (f2 h : read/write) figure 19. prescaler 1 register (f3 h :write only) d7 d6 d5 d4 d3 d2 d1 d0 0 disable t0 count 1 enable t0 count 0 no function 1 load t0 0 no function 1 load t1 0 disable t1 count 1 enable t1 count tin modes 00 external clock input 01 gate input 10 trigger input (non-retriggerable) 11 trigger input (retriggerable) reserved (must be 0) r241 tmr d7 d6 d5 d4 d3 d2 d1 d0 t1 initial value (when written) (range 1-256 decimal 01-00 hex) t1 current value (when read) r242 t1 d7 d6 d5 d4 d3 d2 d1 d0 count mode 0 t1 single pass 1 t1 modulo clock source 1 t1 internal 0 t1 external timing inpu t (tin) mode prescaler modulo (range: 1-64 decimal 01-00 hex) r243 pre1 figure 20. counter timer 0 register (f4 h : read/write) figure 21. prescaler 0 register (f5 h : write only) figure 22. port 2 mode register (f6 h : write only) figure 23. port 3 mode register (f7 h : write only) d7 d6 d5 d4 d3 d2 d1 d0 t0 initial value (when written) (range: 1-256 decimal 01-00 hex) t0 current value (when read) r244 t0 0 t0 single pass 1 t0 modulo n d7 d6 d5 d4 d3 d2 d1 d0 count mode reserved (must be 0) prescaler modulo (range: 1-64 decimal 01-00 hex) r245 pre0 d7 d6 d5 d4 d3 d2 d1 d0 p27- p20 i/o definition 0 defines bit as output 1 defines bit as input r246 p2m 0 port 2 open-drain 1 port 2 push-pull d7 d6 d5 d4 d3 d2 d1 d0 reserved (must be 0) r247 p3m
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-18 ds97key2100 z8 control registers (continued) figure 24. port 0 and 1 mode register (f8 h : write only) figure 25. interrupt priority register (f9 h : write only) d7 d6 d5 d4 d3 d2 d1 d0 p00 - p03 mode 00 = output 01 = input r248 p01m stack selection 1 = internal (must be 1) p10-p17 mode 0 = byte output 1 = byte input reserved (must be 0) p04 - p07 mode 00 = output 01 = input d7 d6 d5 d4 d3 d2 d1 d0 interrupt group priority reserved = 000 c > a > b = 001 a > b > c = 010 a > c > b = 01 1 b > c > a = 100 c > b > a = 101 b > a > c = 1 10 reserved = 111 irq3, irq5 priority (group a) 0 = irq5 > irq3 1 = irq3 > irq5 irq0, irq2 priority (group b) 0 = irq2 > irq0 1 = irq0 > irq2 irq1, irq4 priority (group c) 0 = irq1 > irq4 1 = irq4 > irq1 reserved (must be 0) r249 ipr figure 26. interrupt request register (fa h : read/write) figure 27. interrupt mask register (fb h : read/write) figure 28. flag register (fc h : read/write) d7 d6 d5 d4 d3 d2 d1 d0 irq0 = p32 input (d0 = irq0 ) irq1 = p33 input irq2 = p31 input irq3 = p30 input, serial inpu t irq4 = t0 serial output irq5 = t1 reserved (must be 0) r250 irq wdt hot bit 0 = por* 1 = wdt time-out *default setting after set-up. d7 d6 d5 d4 d3 d2 d1 d0 1 enables irq5-irq0 (d0 = irq0) reserved (must be 0) 1=global interrupt enable 0=global interrupt disable r251 imr d7 d6 d5 d4 d3 d2 d1 d0 user flag f1 user flag f2 half carry flag decimal adjust flag overflow flag sign flag zero flag carry flag r252 flags
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-19 1 figure 29. register pointer (fd h : read/write) figure 30. stack pointer (ffh: read/write) d7 d6 d5 d4 d3 d2 d1 d0 reserved (must be 0) r4 r253 rp r5 r6 r7 register pointer d7 d6 d5 d4 d3 d2 d1 d0 gpr r254 gpr figure 31. stacker pointer (ffh: read/write) d7 d6 d5 d4 d3 d2 d1 d0 stack pointer lower byte (sp0-sp7) r255 spl
Z08615 nmos 8-bit z8 mcu keyboard controller zilog a1-20 ds97key2100 package information figure 32. 40-pin dip package diagram figure 33. 44-pin plcc package diagram
Z08615 zilog nmos 8-bit z8 mcu keyboard controller ds97key2100 a1-21 1 ordering information for fast results, contact your local zilog sales office for assistance in ordering the part desired. codes preferred package p = plastic dip v = plastic leaded chip carrier temperature s = 0 c to +70 c (standard temp for the Z08615 is 0 to ?5 c)for fast results, contact your local zilog sales offic- es for assistance in ordering the part desired. speed 05 = 5 mhz environmental c = plastic standard ?1997 by zilog, inc. all rights reserved. no part of this document may be copied or reproduced in any form or by any means without the prior written consent of zilog, inc. the information in this document is subject to change without notice. devices sold by zilog, inc. are covered by warranty and patent indemnification provisions appearing in zilog, inc. terms and conditions of sale only. zilog, inc. makes no warranty, express, statutory, implied or by description, regarding the information set forth herein or regarding the freedom of the described devices from intellectual property infringement. zilog, inc. makes no warranty of merchantability or fitness for any purpose. zilog, inc. shall not be responsible for any errors that may appear in this document. zilog, inc. makes no commitment to update or keep current the information contained in this document. zilog? products are not authorized for use as critical components in life support devices or systems unless a specific written agreement pertaining to such intended use is executed between the customer and zilog prior to use. life support devices or systems are those which are intended for surgical implantation into the body, or which sustains life whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. zilog, inc. 210 east hacienda ave. campbell, ca 95008-6600 telephone (408) 370-8000 fax 408 370-8056 internet: http://www.zilog.com Z08615 5 mhz 5 mhz Z0861505psc Z0861505vsc example: z 08615 04 p s c is a Z08615, 5 mhz, dip, 0 c to -55 c, plastic standar d flow environmental flow temperature (standard temp for the Z08615 is 0 to -55 c) package speed product number zilog prefix

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