Datasheet > ASM809MEURF

ASM809MEURF

更新时间： 2024-11-27 19:04:11

品牌	Logo	应用领域
PULSECORE		光电二极管
页数	文件大小	规格书
12页	312K
描述
Power Supply Support Circuit, Fixed, 1 Channel, +4.38VV, PDSO3, ROHS COMPLIANT, PLASTIC, SOT-23, 3 PIN

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ASM809MEURF 数据手册

ASM809,ASM8091,ASM810

July 2005

rev 1.8

3-Pin Microcontroller Power Supply Supervisor

Six voltage thresholds are available to support 3V to 5V

systems:

General Description

The ASM809/ASM8091/ASM810 are cost effective 3.0V, 3.3V

and 5.0V power supply supervisor circuits optimized for low-

power microprocessor (µP), microcontroller (µC) and digital

systems. They provide a reset output during power-up, power-

down and brown-out conditions. They provide excellent

reliability by eliminating external components and adjustments.

The ASM809/ASM8091/ASM810 are improved drop-in

replacements for the Maxim MAX809/810 and feature 60%

lower supply current.

RESET THRESHOLD

Suffix

Voltage (V)

4.63

4.38

4.00

3.08

2.93

A reset signal is issued if the power supply voltage drops below

a preset reset threshold and is asserted for at least 140mS after

the supply has risen above the reset threshold. The ASM809/

ASM8091 has an active-low RESET output that is guaranteed

to be in the correct logic state for V_CCdown to 1.1V. The

2.63

Features:

•

Monitor 5V, 3.3V and 3V supplies

140mS minimum reset pulse width

Active-low reset valid with 1.1V supply (ASM809/

ASM8091)

Small 3&5-pin SOT-23 Packages

No external components

ASM810 has an active-high RESET output. The reset

comparator is designed to ignore fast transients on V_CC

Low supply current makes the ASM809/ASM8091/ASM810

ideal for use in portable and battery operated equipment. The

•

ASM809/ASM8091/ASM810 are available in

industry standard 3&5-pin SOT-23 Packages.

a compact,

Specified over full temperature range - -40°C to 105°C

Applications

Typical Operating Circuit

•

Embedded controllers

Portable/Battery operated systems

Intelligent instruments

Wireless communication systems

PDAs and handheld equipments

Computers

V_CC

ASM809

ASM8091

(ASM810)

V_CC

µP

RESET

Input

(RESET)

RESET

(RESET)

GND

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

12 3 4 5 6 7...12

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与ASM809MEURF相关器件

型号	品牌	获取价格	描述	数据表
ASM809MEURF-T	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.38VV, PDSO3, ROHS COMPLIANT, PLASTIC, S
ASM809MEUR-T	ALSC	获取价格	3 Pin Microcontroller Power Supply Supervisor
ASM809MEUR-T	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, PLASTIC, SOT-23, 3 PIN
ASM809REUR	ALSC	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +2.63VV, PDSO3, PLASTIC, SOT-23, 3 PIN
ASM809REURF	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, ROHS COMPLIANT, PLASTIC, SOT-23, 3
ASM809REURF-T	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, ROHS COMPLIANT, PLASTIC, SOT-23, 3
ASM809REUR-T	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, PLASTIC, SOT-23, 3 PIN
ASM809REUR-T	ALSC	获取价格	3 Pin Microcontroller Power Supply Supervisor
ASM809SEUR	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, PLASTIC, SOT-23, 3 PIN
ASM809SEUR	ALSC	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +2.93VV, PDSO3, PLASTIC, SOT-23, 3 PIN

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