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AME8502

Analog Microelectronics
Part Number AME8502
Manufacturer Analog Microelectronics
Description UProcessor Supervisory
Published Jan 31, 2016
Detailed Description AME AME8502 n General Description The AME8502 family allows the user to customize the CPU reset function without any ext...
Datasheet PDF File AME8502 PDF File

AME8502
AME8502


Overview
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.
The state of the reset output is guaranteed to be correct for supply voltages greater than 0.
9V.
µProcessor Supervisory n Application l Portable Electronics l Power Supplies l Computer Peripherals l Data Acquisition Systems l Applicatiions using CPUs l Consumer Electronics n Typical Application VIN RESET / RESETB GND VIN Processor RESET Input GND n 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 Configuration SOT-23/TSOT-23A Top View 3 AME8502 AME8502-AETxxxxxx 1.
GND 2.
RESET/RESETB 3.
IN 1 2 * Die Attach: Non-Conductive Epoxy µProcessor Supervisory SOT-23/TSOT-23A Top View 3 AME8502 AME8502-BETxxxxxx 1.
RESET/RESETB 2.
GND 3.
IN 1 2 * Die Attach: Non-Conductive Epoxy SOT-23/TSOT-23A Top View 3 AME8502 AME8502-CETxxxxxx 1.
RESET/RESETB 2.
IN 3.
...


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