16

LTC690/LTC691

LTC694/LTC695

©LINEAR TECHNOLOGY CORPORATION 1992

690fc LT/TP 0399 2K REV C • PRINTED IN USA

S

APPLICATI

TYPICAL

Write Protect for Additional RAMs

Capacitor Back-Up with 74HC4016 Switch

10

µF

LTC691

LTC695

GND

690 TA04

LOW LINE

CE IN

CE OUT

0.1

µF

CS

20ns PROPAGATION

DELAY

62512

RAM A

5V

3V

0.1

µF

62128

RAM C

CS2

62128

RAM B

CS A

CS B

CS C

CS1

CS1

OPTIONAL CONNECTION FOR

ADDITIONAL RAMs

CS2

0.1

µF

0.1

µF

+

R1

10k

R2

30k

0.1

µF

0.1

µF

14

12

11

10

1

7

100

µF

13

2

5V

74HC4016

LTC690 TA03

LOW LINE

GND

LTC691

LTC695

+

Dimensions in inches (millimeters) unless otherwise noted.

PACKAGE DESCRIPTIO

S Package

16-Lead Plastic Small Outline (Narrow 0.150)

(LTC DWG # 05-08-1610)

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

PART NUMBER

DESCRIPTION

COMMENTS

LTC1326

Micropower Precision Triple Supply Monitor

4.725V, 3.118V, 1V Thresholds (

±0.75%)

LTC1536

Micropower Triple Supply Monitor for PCI Applications

RELATED PARTS

S16 (WIDE) 0396

NOTE 1

0.398 – 0.413*

(10.109 – 10.490)

16

15

14

13

12

11

10

9

1

23

4

5

6

78

0.394 – 0.419

(10.007 – 10.643)

0.037 – 0.045

(0.940 – 1.143)

0.004 – 0.012

(0.102 – 0.305)

0.093 – 0.104

(2.362 – 2.642)

0.050

(1.270)

TYP

0.014 – 0.019

(0.356 – 0.482)

TYP

0

° – 8° TYP

NOTE 1

0.009 – 0.013

(0.229 – 0.330)

0.016 – 0.050

(0.406 – 1.270)

0.291 – 0.299**

(7.391 – 7.595)

× 45°

0.010 – 0.029

(0.254 – 0.737)

NOTE:

1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.

THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS

DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE

*

**