Datasheet

16
LTC690/LTC691
LTC694/LTC695
 LINEAR TECHNOLOGY CORPORATION 1992
sn690 690fcs LT/TP 0399 2K REV C • PRINTED IN USA
U
SA
O
PP
L
IC
AT
ITY
P
I
CA
L
Write Protect for Additional RAMs
Capacitor Back-Up with 74HC4016 Switch
10µF
V
BATT
V
CC
LTC691
LTC695
V
OUT
GND
690 TA04
V
CC
LOW LINE
CE IN
CE OUT
0.1µF
CS
20ns PROPAGATION
DELAY
62512
RAM A
5V
3V
0.1µF
V
CC
62128
RAM C
V
CC
CS2
62128
RAM B
CS A
CS B
CS C
CS1
CS1
OPTIONAL CONNECTION FOR
ADDITIONAL RAMs
CS2
0.1µF
0.1µF
+
R1
10k
R2
30k
0.1µF
0.1µF
14121110
1
7
100µF
13
2
5V
V
CC
V
OUT
V
BATT
74HC4016
LTC690 TA03
LOW LINE
GND
LTC691
LTC695
+
Dimensions in inches (millimeters) unless otherwise noted. PACKAGE DESCRIPTIO
U
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear-tech.com
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 Meets PCI t
FAIL
Timing Specifications
RELATED PARTS
SW Package
16-Lead Plastic Small Outline (Wide .300 Inch)
(Reference LTC DWG # 05-08-1620)
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
*
**