Datasheet > TC1274

TC1274

更新时间： 2024-11-28 22:49:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		监视器
页数	文件大小	规格书
12页	223K
描述
3-Pin Reset Monitors for 5V Systems

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中文翻译

获取价格

数据手册

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TC1274 数据手册

TC1272/TC1273/TC1274

3-Pin Reset Monitors for 5V Systems

Features

General Description

• Precision V Monitor for 5.0V Systems

• 100 msec Minimum RESET, RESET Output

Duration

The TC1272/TC1273/TC1274 are cost-effective

system supervisor circuits designed to monitor V in

digital systems and provide a reset signal to the host

processor when necessary. No external components

are required.

• Output Valid to V = 1.2V

• V Transient Immunity

The reset output is driven active within 20 µsec of V

• Small 3-Pin SOT-23B Package

• No External Components

falling through the reset voltage threshold. RESET is

maintained active for a minimum of 100 msec after

rises above the reset threshold. The TC1274 has

Applications

• Computers

• Embedded Systems

• Battery-Powered Equipment

an active-high RESET output, while the TC1272 and

TC1273 have an active-low RESET output. The

TC1272 and TC1274 each have a complimentary out-

put, while the TC1273 has an open-drain output. The

output of the TC1272 and TC1273 is valid down to V

• Critical µP Power Supply Monitoring

= 1.2V. The TC1274 is valid down to V

= 1.8V. All

three devices are available in a 3-Pin SOT-23B

package.

Package Type

3-Pin SOT-23B*

The TC1272/TC1273/TC1274 devices are optimized to

reject fast transient glitches on the V line.

RESET

Typical Operating Circuit

**(RESET)

V_CC

TC1272

TC1273

TC1274

V_CC

GND

V_CC

RESET

Input

Processor

TC1272

* 3-Pin SOT-23B is equivalent to JEDEC TO-236

**( ) is for TC1274

GND

 2003 Microchip Technology Inc.

DS21382B-page 1

12 3 4 5 6 7...12

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