ASM8500 datasheet(1/7 Pages) ALSC

номер детали	ASM8500

подробное описание детали	Low Power 5V / 3.3V uP Reset Active LOW, Open - Drain Output

PDF	7 Pages

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производитель	ALSC [Alliance Semiconductor Corporation]

домашняя страница	https://www.alliancememory.com

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ASM8500

Alliance Semiconductor

2575 Augustine Drive . Santa Clara, CA 95054 . Tel: 408.855.4900 . Fax: 408.855.4999 . www.alsc.com

Notice: The information in this document is subject to change without notice

rev 1.0

Low Power 5V / 3.3V µP Reset Active LOW, Open - Drain Output

November 2003

General Description

The ASM8500 is a voltage supervisory device with a low-power,

5V

/3.3V µP Reset, active LOW, open-drain output. Maximum

supply current over temperature is a low 6µA.

The ASM8500 generates an active LOW reset signal whenever

the monitored supply is out of tolerance. A precision reference

and comparator circuit monitor power supply (VCC) level. Reset

threshold tolerance level is ±1.5%. When an out-of-tolerance

condition is detected, an internal power-fail signal is generated

which forces an active LOW reset signal. After VCC returns to

an in-tolerance condition, the reset signal remains active for

1.5ms to allow the power supply and system microprocessor to

stabilize.

The ASM8500 is designed with a open-drain output stage and

operates over the extended industrial temperature range.

Devices are available in compact surface mount SOT-89

packages.

Other low power products in this family include the ASM1810/

11/12/15/16/17, ASM1233D and ASM1233M.

Key Features

•

Low Supply Current

• 6 µA maximum (5.5 V)

•

Automatically restarts a microprocessor after power failure

•

1.5ms reset delay after VCC returns to an in-tolerance con-

dition

•

Active LOW power-up reset

•

Precision temperature-compensated voltage reference and

comparator

•

Eliminates external components

•

Compact surface mount SOT-89 package

•

Operating temperature -40°C to +85°C

Applications

•

Set-top boxes

•

Cellular phones

•PDAs

•

Energy management systems

•

Embedded control systems

•

Printers

•

Single board computers

Typical Operating Circuit

Block Diagram

Microprocessor

VCC

RESET

GND

ASM8500

VCC

Supply

Reference

Delay

1.5ms

Typical

Tolerance

Bias

+

-

ASM8500

VCC

Supply

Delay

Typical

Tolerance

Bias

-

GND

RESET

Reference

+

5ΚΩ

Аналогичный номер детали - ASM8500

производитель	номер детали	датащи	подробное описание детали
Alliance Semiconductor ...	ASM802L	323Kb / 13P	UP Power Supply Supervisor With Battery Backup Switch
PulseCore Semiconductor	ASM802L	348Kb / 15P	關P Power Supply Supervisor With Battery Backup Switch
Alliance Semiconductor ...	ASM802LAEPA	323Kb / 13P	UP Power Supply Supervisor With Battery Backup Switch
Alliance Semiconductor ...	ASM802LCPA	323Kb / 13P	UP Power Supply Supervisor With Battery Backup Switch
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Аналогичное описание - ASM8500

производитель	номер детали	датащи	подробное описание детали
Alliance Semiconductor ...	ASM1233A	209Kb / 9P	Low Power, 3.3V, uP Reset, Active LOW, Open-Drain Output
	ASM1233D	175Kb / 11P	Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output
	ASM1233M	204Kb / 9P	Low Power, 5V/3.0V, uP Reset, Active LOW, Open-Drain Output
	ASM1810	235Kb / 9P	Low Power, 5V uP Reset Active LOW, Push-Pull Output
	ASM1811	215Kb / 9P	Low Power 5V uP Reset Active LOW, Open - Drain Output
	ASM1815	235Kb / 9P	Low Power, 3.3V/3.0V uP Reset Active LOW, Push-Pull Output
	ASM1816	231Kb / 9P	Low Power 3.3V/3.0V uP Reset, Active LOW, Open-Drain Output
PulseCore Semiconductor	ASM1233D-L	258Kb / 11P	Low Power, 5V/3.3V, 關P Reset, Active LOW, Open-Drain Output
PulseCore Semiconductor	ASM1816	235Kb / 9P	Low Power 3.3V/3.0V 關P Reset, Active LOW, Open-Drain Output
ON Semiconductor	ASM1233D	142Kb / 10P	Reset Active LOW Open-Drain Output August, 2011 ??Rev. 3

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