M5295AL MITSUBISHI [Mitsubishi Electric Semiconductor], M5295AL Datasheet
M5295AL
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M5295AL Summary of contents
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... Supply voltage...........................................4V to 15V Rated supply voltage............................................5V BLOCK DIAGRAM W.D.T 20k 30k PIN CONFIGURATION (TOP VIEW F ADJ1 RST1 GND MITSUBISHI ELECTRIC MITSUBISHI<Dig.Ana.INTERFACE> M5295AL/P/FP WATCHDOG TIMER ADJ2 8 RST2 7 Vcc 6 ADJ1 5 GND 4 RST1 Outline 8P5(AL) 1 ADJ2 RST2 ...
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... Circuit current (2)AC FEATURES Symbol Parameter Watch dog timer t WD Reset timer (1) t RST(1) Reset timer (2) t RST(2) t Input pulse watch Transmittal delay time t d2 MITSUBISHI<Dig.Ana.INTERFACE> M5295AL/P/FP Conditions Ta 25°C Pin Test conditions =1. =4.2V OUT TC ...
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... WD RST( MITSUBISHI ELECTRIC MITSUBISHI<Dig.Ana.INTERFACE> M5295AL/P/FP WATCHDOG TIMER VTH2( the case of entrance of abnormal signal input the waveform of TC pin repeats charge and discharge of Reset1 alternatively from 2V to 4V,the Reset1 repeats high and low output operation. ...
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... WD pin and voltage input. (Refer to Section 3.) (2)Input cycle:No more than t (Discharge should start before voltage at WD pin reaches 4V.) (3)Input pulse width t C=103 100µs 50µs MITSUBISHI ELECTRIC MITSUBISHI<Dig.Ana.INTERFACE> M5295AL/P/FP WATCHDOG TIMER (Vcc=5V WDIN 3 (charge time) 5-x ...
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... adjust detection voltage 1,determine external resistance 3 with the following equation R2 R1= MITSUBISHI ELECTRIC MITSUBISHI<Dig.Ana.INTERFACE> M5295AL/P/FP WATCHDOG TIMER t4 1. (3µs)or more] but not to exceed WDIN R2(k ) Detection voltage calculation formula 10 0.92 R01+R02 1.25 R02 10 1 ...
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... To adjust detection voltage 2,determine external resistance with the following equations 2(L)>4.6V(R3=10k ) TH R4 2(L)<4.6V(R4= R3 RST2 (HOLD Example of Backup Circuit with M5295AL 1 2 MITSUBISHI ELECTRIC MITSUBISHI<Dig.Ana.INTERFACE> M5295AL/P/FP WATCHDOG TIMER Detection voltage calculation formula VTH2(mV) 16.3 R03+R04 V 2(L)= TH 16.3 R04 16.3 R =R3//51 ...
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... R 0.4 R 0.3 R 0.2 0 0.4 0.6 0.8 0.2 SUPPLY VOLTAGE Vcc(V) 125 75 100 80 100 120 60 =2.2k L =22k L =100k L 1.0 1.2 1.4 1.6 MITSUBISHI ELECTRIC MITSUBISHI<Dig.Ana.INTERFACE> M5295AL/P/FP WATCHDOG TIMER DETECTION VOLTAGE VS. SUPPLY VOLTAGE 4.9 4.8 V TH2(H) 4.7 4.6 V TH2(L) 4.5 4.4 V 4.3 TH1 4.2 4 100 120 -40 -20 0 AMBIENT TEMPERATURE Ta(°C) INTERRUPTION OUTPUT VOLTAGE VS. CIRCUIT CURRENT 4.0 R =4.7k L 3.5 3.0 2.5 R High ST1 2 ...
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... AMBIENT TEMPERATURE Ta(°C) WATCHDOG TIMER VS. AMBIENT TEMPERATURE 1.6 Vcc=5V 1.4 C=0.1µF 1.2 R1=10k 1.0 0.8 0.6 0.4 0.2 0 -40 - 100 120 AMBIENT TEMPERATURE Ta(°C) MITSUBISHI<Dig.Ana.INTERFACE> M5295AL/P/FP OUTPUT SATURATION VOLTAGE VS. LOAD CURRENT 1.6 Vcc=5V 1.4 1.2 1.0 0.8 0.6 0.4 0 0.1 LOAD CURRENT I PIN TC INPUT CURRENT VS. ...