LTC690M View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC690M' PDF : 16 Pages View PDF
LTC690/LTC691
LTC694/LTC695
TYPICAL APPLICATI S
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
5V
0.1µF
3V
LTC690 TA03
Write Protect for Additional RAMs
VCC
VOUT
LTC691
LTC695
CE OUT
VBATT
CE IN
LOW LINE
GND
+
10µF
20ns PROPAGATION
DELAY
CS A
VCC
0.1µF 62512
RAM A
CS
VCC
0.1µF 62128
RAM B
CS B
CS1
CS2
VCC
0.1µF 62128
RAM C
CS C
CS1
CS2
OPTIONAL CONNECTION FOR
ADDITIONAL RAMs
690 TA04
PACKAGE DESCRIPTIO Dimensions in inches (millimeters) unless otherwise noted.
0.291 – 0.299**
(7.391 – 7.595)
0.010
(0.254
–
–
0.029
0.737)
×
45°
S Package
16-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.093 – 0.104
(2.362 – 2.642)
0.037 – 0.045
(0.940 – 1.143)
0.398 – 0.413*
(10.109 – 10.490)
16 15 14 13 12 11 10 9
0° – 8° TYP
0.050
NOTE 1
0.009 – 0.013
(0.229 – 0.330)
NOTE:
NOTE 1
0.016 – 0.050
(0.406 – 1.270)
(1.270)
TYP
0.014 – 0.019
(0.356 – 0.482)
TYP
0.004 – 0.012
(0.102 – 0.305)
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
0.394 – 0.419
(10.007 – 10.643)
123 45678
S16 (WIDE) 0396
RELATED PARTS
PART NUMBER
LTC1326
LTC1536
DESCRIPTION
Micropower Precision Triple Supply Monitor
Micropower Triple Supply Monitor for PCI Applications
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
COMMENTS
4.725V, 3.118V, 1V Thresholds (±0.75%)
Meets PCI tFAIL Timing Specifications
690fc LT/TP 0399 2K REV C • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1992
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