MC33064 Microsemi Corporation, MC33064 Datasheet
MC33064
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MC33064 Summary of contents
Page 1
... Reset Function Programmable With 1 External Resistor And Capacitor ! Comparator Hysteresis Prevents Output Oscillation ! Electrically Compatible With Motorola MC34064 ! Pin-to-Pin Compatible With Motorola MC34064/MC34164. APPLICATIONS All Microprocessor Or Microcontroller Designs Using 5V Supplies Simple 5V Undervoltage Detection Plastic TO-92 3-pin MC34064LP MC33064LP — 714-893-2570 AX = 4.6V Typ (See IN For CC 1 ...
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... MC33064/MC34064 T RANSIENT ABSOLUTE MAXIMUM RATINGS Input Supply Voltage (V ) ............................................................................... -1V to 10V IN RESET Output Voltage (V ) ..................................................................................... 10V OUT Output Sink Current (I ) ............................................................ Internally Limited (mA) OL Clamp Diode Forward Current (I ), Pin 1 to pin 2 ............................................... 100mA F Operating Junction Temperature Plastic (DM Packages) .................................................................................. 150° ...
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... Note 2. Range over which the device is functional. (Unless otherwise specified, these specifications apply over the operating ambient temperatures of 0°C for the MC33064. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) Parameter ...
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... MC33064/MC34064 T RANSIENT GRAPH / CURVE INDEX Characteristic Curves FIGURE # 1. INPUT VOLTAGE and RESET OUTPUT VOLTAGE vs. TIME 2. POWER-UP RESET VOLTAGE 3. POWER-DOWN RESET VOLTAGE RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE 4. 5. THRESHOLD VOLTAGE vs. TEMPERATURE THRESHOLD HYSTERESIS vs ...
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... FIGURE 2. — POWER-UP RESET VOLTAGE 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1.2 1.4 1.6 1.8 2.0 0 FIGURE 4. — RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE 1.2 1.6 2.0 MC33064/MC34064 10kohms RESET 0.4 0.8 1.2 1.6 (t) Time - (ms 10kohms 4.58 4.59 4.60 4.61 (V ...
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... MC33064/MC34064 T RANSIENT FIGURE 5. — THRESHOLD VOLTAGE vs. TEMPERATURE 4 increasing 4 decreasing 4 10kohms L 4.66 4. High Threshold Voltage 4.62 T+ 4.6 4. Low Threshold Voltage T- 4.56 4.54 4.52 4.5 -55 - Temperature - ( C) J FIGURE 7. — SUPPLY CURRENT vs. INPUT VOLTAGE ...
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... OUT 100 125 150 FIGURE 12. — CLAMP DIODE FORWARD VOLTAGE 1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 75 100 125 150 MC33064/MC34064 vs. TEMPERATURE 8mA 2mA OL -55 - 100 (T ) Temperature - ( C) J vs. FORWARD CURRENT RESET = 0V ...
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... MC33064/MC34064 T RANSIENT FIGURE 13. — PROPAGATION DELAY — HIGH to LOW 5 5.0 4.5 4.0 5.0 3.0 1 100 150 200 (t) Time - (ns MMUNE NDERVOLTAGE ENSING ...
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... Overheating of the logic level power MOSFET due to insufficient gate voltage can be prevented with the above circuit. When the input signal is below the 4.6 volt threshold of the MC34064, its output grounds the gate of the L 2 MOSFET. MC33064/MC34064 BATTERY REACHES BELOW 4.3V V ...
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... MC33064/MC34064 T RANSIENT FIGURE 19. — LOW VOLTAGE MICROPROCESSOR RESET with ADDITIONAL HYSTERESIS POWER SUPPLY 1.2 V REF ...