Datasheet > TS809RCXD

TS809RCXD

更新时间： 2024-09-19 22:19:07

品牌	Logo	应用领域
TSC		微处理器复位电路
页数	文件大小	规格书
6页	72K
描述
Microprocessor Reset Circuit

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中文翻译

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数据手册

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TS809RCXD 数据手册

TS809/ 810/ 809R/ 810R

Microprocessor Reset Circuit

Pin assignment:

TS809/810

1. Gnd

2. RESET (RESET)

3. Vcc

Threshold Voltage Option

From 2.63V ~ 4.63V

Pin assignment:

TS809R/810R

1. RESET (RESET)

2. Gnd

3. Vcc

General Description

The TS809/810/809R/810R are microprocessor (µP) supervisory circuit used to monitor the power supplies in µP and

digital systems. They provide excellent circuit reliability and low cost by eliminating external components and

adjustments when used with +5V, +3.3V, +3.0V powered circuits. These circuits perform a single function: they assert

a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least

240ms(typ) after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of

supply voltages are available. The TS809/810/809R/810R have push pull outputs. The TS809/809R have an active

low RESET output, while the TS810/810R has an active high RESET output. The reset comparator is designed to

ignore fast transients on VCC, and the output guaranteed to be in the correct logic state for VCC down to 1V. Low

supply correct makes the TS809/810/809R/810R ideal for use in portable equipment.

The TS809/810/809R/810R is available in a 3-pin SOT-23 package.

Features

Ordering Information

ꢀ

Precision monitoring of +3V, +3.3V and +5V

Part No.

TS809CX x

TS810CX x

TS809RCXx

TS810RCXx

Enable Function

Package

power supply voltage

Active-Low

Active-High

Active-Low

Active-High

ꢀ

Fully specified over temperature

Available in three output configurations

Push-Pull RESET low output (TS809 & TS809R)

Push-Pull RESET high output (TS810 & TS810R)

140mS min. power-on reset pulse width

12uA supply current

SOT-23

Note: x is the threshold voltage type, option as

A: 4.63V

B: 4.38V

C: 4.00V

D: 3.08V

E: 2.93V

F: 2.63V

ꢀ

Guaranteed reset valid to Vcc = +1V

Power supply transient immunity

No external components

Applications

Pin Descriptions

ꢀ

Computers

Name

Description

Controllers

Gnd

Ground

Intelligent instruments

Critical uP and uC power monitoring

Portable / Battery powered equipment

Automotive

Reset output pin

RESET

(RESET)

Vcc

L: for TS809 & TS811

H: for TS809R & TS811R

Operating voltage input

TS809/810/809R/810R

1-6

2004/09 rev. D

12 3 4 5 6

中文翻译

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