TC1272 datasheet(1/12 Pages) MICROCHIP

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 2003 Microchip Technology Inc.

DS21382B-page 1

M

TC1272/TC1273/TC1274

Features

• Precision VCC Monitor for 5.0V Systems

• 100 msec Minimum RESET, RESET Output

Duration

• Output Valid to VCC = 1.2V

•VCC Transient Immunity

• Small 3-Pin SOT-23B Package

• No External Components

Applications

• Computers

• Embedded Systems

• Battery-Powered Equipment

• Critical µP Power Supply Monitoring

Package Type

General Description

The

TC1272/TC1273/TC1274

are

cost-effective

system supervisor circuits designed to monitor VCC in

digital systems and provide a reset signal to the host

processor when necessary. No external components

are required.

The reset output is driven active within 20 µsec of VCC

falling through the reset voltage threshold. RESET is

maintained active for a minimum of 100 msec after

VCC rises above the reset threshold. The TC1274 has

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 VCC

= 1.2V. The TC1274 is valid down to VCC = 1.8V. All

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

package.

The TC1272/TC1273/TC1274 devices are optimized to

reject fast transient glitches on the VCC line.

Typical Operating Circuit

VCC

RESET

**(RESET)

GND

TC1272

TC1273

TC1274

1

2

3

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

**( ) is for TC1274

3-Pin SOT-23B*

TC1272

VCC

RESET

Input

GND

Processor

1

2

3

3-Pin Reset Monitors for 5V Systems

Số phần tương tự - TC1272

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	TC1272A	208Kb / 14P	3-Pin Reset Monitor 11/29/12
	TC1272A	223Kb / 12P	3-Pin Reset Monitor 02/17/04
	TC1272AJVNBTR	223Kb / 12P	3-Pin Reset Monitor 02/17/04
	TC1272ALVNBTR	223Kb / 12P	3-Pin Reset Monitor 02/17/04
	TC1272AMVNBTR	223Kb / 12P	3-Pin Reset Monitor 02/17/04

More results

Mô tả tương tự - TC1272

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	TC1278	424Kb / 12P	3-Pin Reset Monitors for 5V Systems 2002
	TC1278	452Kb / 12P	3-Pin Reset Monitors for 5V Systems 2007
	TC1275	514Kb / 12P	3-Pin Reset Monitors for 3.3V Systems 2007
	TC1275	457Kb / 12P	3-Pin Reset Monitors for 3.3V Systems 05/01/02
	TCM809	141Kb / 14P	3-Pin Microcontroller Reset Monitors 2004
ON Semiconductor	MAX809	90Kb / 12P	3-Pin Microprocessor Reset Monitors January, 2002 ??Rev. 4
FOSLINK SEMICONDUCTOR C...	FSP2200	131Kb / 7P	3 PIN MICROPROCESSOR RESET MONITORS
Microchip Technology	TCM809	218Kb / 16P	3-Pin Microcontroller Reset Monitors 2005
Microchip Technology	TCM809	249Kb / 16P	3-Pin Microcontroller Reset Monitors 11/29/12
Estek Electronics Co. L...	MAX809	305Kb / 7P	3-PIN MICROPROCESSOR RESET MONITORS

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