LTC690 Просмотр технического описания (PDF) - Linear Technology

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Компоненты Описание

производитель

LTC690

Microprocessor Supervisory Circuits

Linear Technology 

LTC690/LTC691

LTC694/LTC695

TYPICAL APPLICATION

Capacitor Back-Up with 74HC4016 Switch

5V

0.1μF

R1

10k

10 11 12 14

1 74HC4016

2

VCC

VOUT

LTC691

LTC695

VBATT LOW⎯LINE

R2

30k

7

13 +

100μF

GND

0.1μF

LTC690 TA03

Write Protect for Additional RAMs

5V

0.1μF

3V

VCC

VOUT

LTC691

LTC695

CE OUT

VBATT

CE IN

LOW⎯LINE

GND

+

10μF

20ns PROPAGATION

DELAY

CS⎯A

0.1μF

VCC

62512

RAM A

CS

CS⎯B

0.1μF

VCC

62128

RAM B

CS⎯1

CS2

CS⎯C

0.1μF

VCC

62128

RAM C

CS⎯1

CS2

OPTIONAL CONNECTION FOR

ADDITIONAL RAMs

690 TA04

RELATED PARTS

PART NUMBER

LTC1326

LTC1536

DESCRIPTION

Micropower Precision Triple Supply Monitor

Micropower Triple Supply Monitor for PCI Applications

COMMENTS

4.725V, 3.118V, 1V Thresholds (± 0.75%)

Meets PCI tFAIL Timing Specifications

18 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

690fe

LT 0410 REV E • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1992

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