LTC1232IS8PBF Linear Technology Corporation, LTC1232IS8PBF Datasheet

LTC1232IS8PBF

Manufacturer Part Number

LTC1232IS8PBF

Description

SOP-8

Manufacturer

Linear Technology Corporation

Datasheet

1.LTC1232CN8PBF.pdf (8 pages)

Specifications of LTC1232IS8PBF

Date_code

08+

Current page: 1 of 8
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FEATURES

■

APPLICATIO S

■

TYPICAL APPLICATIO

Guaranteed Reset Assertion at V

8-Pin SO Plastic Package

2.0mA Maximum Supply Current

4.62V/4.37V Precision Voltage Monitor

Power OK/Reset Time Delay: 600ms

Minimum External Component Count

Superior Upgrade for DS1232

Critical µP Power Monitoring

Intelligent Instruments

Computers and Controllers

Automotive Systems

5V DC

PB RST

TOL

GND

LTC1232

RST

5V DC

100k

= 1V

I/O LINE

RESET

(e.g. 6805)

MPU

LTC1232 • TA01

DESCRIPTIO

The LTC

watchdog timing and external reset for microprocessor

systems. A precise internal voltage reference and

comparator circuit monitor the power supply line. When

an out-of-tolerance condition occurs, the reset outputs

are forced to active states. The RST output is guaranteed

to remain logic low even with V

The LTC1232 has an internal watchdog timer which forces

the reset outputs to active states when the Strobe input is

not forced low prior to a preset time-out period. The

watchdog timing can be set to operate on time-out periods

of typically 150ms, 600ms or 1.2 seconds.

The LTC1232 performs push-button reset control.

The LTC1232 debounces the push-button input

and guarantees an active reset pulse width of 250ms

minimum.

, LTC and LT are registered trademarks of Linear Technology Corporation.

1232 provides power supply monitoring,

RST Output Voltage vs

Supervisory Circuits

Supply Voltage

SUPPLY VOLTAGE (V)

Microprocessor

as low as 1V.

LTC1232 • TA02

LTC1232

sn1232 1232fas

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