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| MITSUBISHI M62032AFP VOLTAGE DETECTING, SYSTEM RESETTING IC GENERAL DESCRIPTION The M62032AFP is an IC for detection of two different input voltages to reset almost all logic circuits including MCU. It contains a delay circuit with which any delay time can be obtained only by adding an external capacitor. The IC is widely applicable to a battery check circuit, a level detection circuit, a waveform shaping circuit, etc. FEATURES * A small number of external components * Built-in 2 input voltage detection circuits * Wide supply voltage range ............... 2 to 10V * Small 8-pin package * Open collector output APPLICATION Reset circuit of MPU, MCU and logic RECOMMENDED OPERATING CONDITION Supply voltage range ......................... 2 to 10V PIN CONFIGURATION (TOP VIEW) VIN1 1 VIN2 2 NC 3 GND 4 OUTLINE 8 VRES 7 VCC 6 VO 5 8P2S(FP) EXTERNAL CAPACITOR BLOCK DIAGRAM VCC 7 Vcc Vcc 6 VO VIN2 2 1.25V Vcc 5 Delay Capacitor C VIN1 1 1.25V VRES 8 3 NC 4 GND (1/4) MITSUBISHI M62032AFP VOLTAGE DETECTING, SYSTEM RESETTING IC FUNCTIONAL DIAGRAM INPUT VOLTAGE INPUT1 INPUT 2 INPUT 2 INPUT1 INPUT 2 INPUT1 INPUT1 INPUT 2 1.25V t OUTPUT H TPLH1 L TPLH1 t TERMINAL DESCRIPTION Terminal No. Symbol Functional Description Detecting voltage input 1 Detecting voltage input 2 No connection Ground Delay capacitor connection Output (open collector) Supply voltage It outputs "L" and "H" to the Vo terminal when VRES input is "H" and " L", respectively. 1 2 3 4 5 6 7 8 VIN1 VIN2 NC GND EXTERNAL CAPACITOR Vo VCC VRES (2/4) MITSUBISHI M62032AFP VOLTAGE DETECTING, SYSTEM RESETTING IC ABSOLUTE MAXIMUM RATINGS (Ta=25 C, unless otherwise noted) Symbol Parameter Supply Voltage Output Sink Current Output Voltage Self Reset Input Voltage Power Dissipation Thermal Derating Operating Temperature Storage Temperature Conditions Ratings 10 8.0 10 10 300 3.0 -20 to +75 -40 to +125 Unit V mA V V mW mW/C VCC ISINK VO VRES Pd Ktheta Topr Tstg Ta 25C C C ELECTRICAL CHARACTERISTICS (Ta=25 C, unless otherwise noted) Symbol Parameter Detecting Voltage 1 Hysteresis Voltage 1 Input Voltage Range Test Conditions Min Limits Typ Max Unit V mV V nA uA V mS mV VS1 VS1 Input Current 100 Constant Current -1.4 Low Output Voltage 1 IOL=5mA 0.2 Delay Time Cd=0.01uF 10 Maximum Delay Time Cd=0.68uF 680 Delay Capacitor part VSCin Hysteresis Voltage 250 * The delay time can be varied by changing the connecting capacitance(Cd). Tpd = CV/I = Cd x 1E6 (sec) VIN IIN IPD VOL1 tpd1 tpdmax VCC 7V VCC>7V VIN=1.25V 1.20 9 -0.3 -0.3 1.25 15 1.30 23 VCC 7.0 500 0.4 1130 Symbol Parameter Detecting Voltage2 Hysteresis Voltage2 Input Voltage Range Input Current Test conditions Min Max Unit V mV V nA VS2 VS2 VIN IIN Symbol VCC 7V VCC>7V VIN=1.25V 1.20 9 -0.3 -0.3 1.25 15 100 Limits Typ 1.30 23 VCC 7.0 500 Parameter Supply Voltage Range Circuit Current in OFF Detecting Voltage Temperature Coefficient The Hysteresis Voltage Temperature Coefficient Propagation Delay Time Temperature Coefficient Test conditions Min Max Unit V mA %/C %/C %/C VCC ICC1 VS/T VS/T TPLH/T 2 VCC=5V 0.3 0.01 0.01 0.10 10 0.67 0.55 2 VRES=2V 10 0.6 IOH TPHL VOPL VRESH IRESH VRESL Output Leak Current Output "L" Propagation Delay Time 1 CL=100pF RL=2.2k,VOL 0.4V RL=100k,VOL 0.4V uA us V V uA V Threshold Operating Voltage Input "HIGH" voltage VRES Input "HIGH" current Input "LOW" voltage -0.3 0.8 0 0.70 VCC 80 0.8 (3/4) MITSUBISHI M62032AFP VOLTAGE DETECTING, SYSTEM RESETTING IC AN EXAMPLE OF THE APPLICATION CIRCUIT VCC 7 DETECTION INPUT 1 RL Supply Voltage 1 6 RESET (RESET) M62032AFP DETECTION INPUT 2 MCU 5 2 8 4 EXTERNAL CAPACITOR 0.01uF GND Interrupt Input signal * A forced reset signal (high) into pin 8 from outside can reset this IC (low output) regardless of input signals to pins 1 and 2. ! Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit design, in order to prevent fires from spreading, redundancy, malfunction or other mishap. (4/4) |
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