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ASM706RCPA Datasheet(PDF) 7 Page - Alliance Semiconductor Corporation |
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ASM706RCPA Datasheet(HTML) 7 Page - Alliance Semiconductor Corporation |
7 / 16 page ASM706 P/ R/ S/ T/ J 7 of 16 Notice: The information in this document is subject to change without notice 3/3.3/4.0 V µP Supervisor Circuits ASM708 R/ S/ T/ J October 2003 rev 1.0 Monitoring Voltages Other Than VCC Absolute Maximum Ratings Parameter Min Max Unit Pin Terminal Voltage with Respect to Ground VCC -0.3 6.0 V All other inputs -0.3 VCC + 0.3 V Input Current at VCC and GND 20 mA Output Current: All outputs 20 mA Rate of Rise at VCC 100 V/µs Plastic DIP Power Dissipation (Derate 9mW/°C above 70°C) 700 mV SO Power Dissipation (Derate 5.9mW/°C above 70°C) 470 mW‘ MicroSO POwer Disspation (Derate 4.1mW/°C above 70°C) 330 mW Operating Temperature Range ASM706xE, ASM708xE -40 +85 °C ASM706xC, ASM708xC 0 70 °C Storage Temperature Range -65 160 °C Lead Temperature Soldering (10sec) 300 °C Note: These are stress ratings only and functional operation is noy implied. Exposure to absolute maximum ratings for pro- longed time periods may affect device reliability. The ASM706/708 can monitor voltages other than VCC using the Power Fail circuitry. If a resistive divider is connected from the voltage to be monitored to the PFI input, the PFO will go LOW if the voltage at PFI goes below 1.25V reference. Should hysteresis be desired, connect a resistor (equal to approximately 10 times the sum of the two resistors in the divider) between the PFI and PFO pins. A capacitor between PFI and GND will reduce circuit sensitivity to input high frequency noise. If it is desired to assert a reset in addition to the PFO flag, this may be achieved by connecting the PFO output to MR. VCC PFI MR PFO VIN R1 R2 ASM70X RESET GND +5V To µP Figure 4: Monitoring +5V and an additional supply VIN |
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