ASM809LEUR-T

更新时间： 2024-11-26 22:26:03

品牌	Logo	应用领域
ALSC		电源电路微控制器电源管理电路光电二极管监控
页数	文件大小	规格书
10页	221K
描述
3 Pin Microcontroller Power Supply Supervisor

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中文翻译

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数据手册

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ASM809LEUR-T 数据手册

ASM809, ASM810

October 2003

rev 1.0

3 Pin Microcontroller Power Supply Supervisor

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

systems:

General Description

The ASM809/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

ASM809/810 are improved drop-in replacements for the Maxim

MAX809/810 and feature 60% lower supply current.

RESET THRESHOLD

Suffix

Voltage

4.63

4.38

4.00

3.08

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

has an active-low RESET output that is guaranteed to be in the

correct logic state for V_CCdown to 1.1V. The ASM810 has an

2.93

2.63

Features:

active-high RESET output. The reset comparator is designed to

•

Monitor 5V, 3.3V and 3V supplies

140ms min. reset pulse width

ignore fast transients on V_CC

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

Small 3-pin SOT-23 package

Low supply current makes the ASM809/ASM810 ideal for use

in portable and battery operated equipment. The

ASM809/ASM810 are available in a compact, industry standard

3-pin SOT23 package.

No external components

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

Applications

Typical Operating Circuit

•

Embedded controllers

V_CC

Portable/Battery operated systems

Intelligent instruments

V_CC

Wireless communication systems

PDAs and handheld equipment

Computers

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...10

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与ASM809LEUR-T相关器件

型号	品牌	获取价格	描述	数据表
ASM809MEUR	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.38VV, PDSO3, PLASTIC, SOT-23, 3 PIN
ASM809MEURF	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.38VV, PDSO3, ROHS COMPLIANT, PLASTIC, S
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

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