TCM809ZENB

更新时间： 2024-11-02 13:14:35

品牌	Logo	应用领域
美国微芯 - MICROCHIP		微控制器监视器
页数	文件大小	规格书
14页	141K
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数据手册

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TCM809ZENB 数据手册

TCM809/TCM810

3-Pin Microcontroller Reset Monitors

Features

General Description

• Precision V_DDMonitor for 2.5V, 3.0V, 3.3V, 5.0V

Nominal System Voltage Supplies

The TCM809 and TCM810 are cost-effective system

supervisor circuits designed to monitor V_DDin digital

systems and provide a reset signal to the host proces-

sor, when necessary. No external components are

required.

• 140 msec Minimum RESET Time Out Period

• RESET Output to V_DD= 1.0V (TCM809)

• Low Supply Current, 9 µA (typ.)

• V_DDTransient Immunity

The RESET output is typically driven active within

65 µsec of V_DDfalling through the reset voltage thresh-

old. RESET is maintained active for a minimum of

140 msec after V_DDrises above the reset threshold.

The TCM810 has an active-high RESET output, while

the TCM809 has an active-low RESET output. The out-

put of the TCM809/TCM810 is valid down to V_DD= 1V.

Both devices are available in 3-Pin SC-70 and SOT-23B

packages.

• Small 3-Pin SC-70 and SOT-23B Packages

• No External Components

• Push-Pull RESET Output

• Temperature Range:

- Industrial, SC-70 (E): -40°C to +85°C

- Extended, SOT-23, SC-70 (V): -40°C to +125°C

The TCM809/TCM810 is optimized to reject fast

transient glitches on the V_DDline. A low supply current

of 9 µA (typ., V_DD= 3.3V) make these devices suitable

for battery-powered applications.

Applications

• Computers

• Embedded Systems

• Battery-Powered Equipment

• Critical Microcontroller Power Supply Monitoring

• Automotive

Pin Configurations

SOT-23B/SC-70

Typical Application Circuit

GND

V_DD

PICmicro^®

Microcontroller

TCM809 RESET

TCM810 (RESET)

TCM809

RESET

INPUT

(Active-Low)

Note: 3-Pin SOT-23B is equivalent to

GND

JEDEC TO-236.

 2004 Microchip Technology Inc.

DS21661C-page 1

12 3 4 5 6 7...14

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