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AME8502 - UProcessor Supervisory

Datasheet Summary

Description

The AME8502 family allows the user to customize the CPU reset function without any external components.

The user has a large choice of reset voltage thresholds, reset time intervals, and output driver configurations, all of which are preset at the factory.

Features

  • n Functional Block Diagram l Internally Fixed Threshold 1.2V to 4.5V in 0.1V Step l High Accuracy ±1.5% l Low Supply Current 3µA l No External Components Required l Quick Reset within 20µs l Built-in Recovery Delay Include 0ms, 55ms, 220ms, 450ms l Low Functional Supply Voltage 0.9V l Push-Pull Output l Small SOT-23, TSOT-23A, SOT-143, SC-70-4, SOT-25 and TSOT-25A Package l RoHS Compliant and Halogen Free VIN GND R1 I1 R2 VREF Delay P1 RESET/ RESETB N1 Rev. A.01 1 AME AME8502 n Pin Co.

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Datasheet Details

Part number AME8502
Manufacturer Analog Microelectronics
File Size 584.05 KB
Description UProcessor Supervisory
Datasheet download datasheet AME8502 Datasheet
Additional preview pages of the AME8502 datasheet.

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Full PDF Text Transcription

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AME AME8502 n General Description The AME8502 family allows the user to customize the CPU reset function without any external components. The user has a large choice of reset voltage thresholds, reset time intervals, and output driver configurations, all of which are preset at the factory. Each wafer is trimmed to the customers specicications. There circuits monitor the power supply voltage of µP based system. When the power supply voltage drops below the voltage threshold a reset is asserted immediately (within an interval TD1). The reset remains asserted after the supply voltage rises above the voltage threshold for a time interval, TD2. The reset output may be either active high (RESET) or active low (RESETB). The reset output may be configured as push-pull.
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