LTC690 Linear Technology, LTC690 Datasheet - Page 16

• Manufacturer Part Number: LTC690
• Description: Microprocessor Supervisory Circuits
• Manufacturer: Linear Technology

LTC690/LTC691
LTC694/LTC695
PACKAGE DESCRIPTIO
RELATED PARTS
TYPICAL
PART NUMBER
LTC1326
LTC1536
16
(0.229 – 0.330)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
**
0.009 – 0.013
*
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
R1
10k
R2
30k
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
Capacitor Back-Up with 74HC4016 Switch
1
(0.254 – 0.737)
0.010 – 0.029
NOTE 1
A
(7.391 – 7.595)
10
74HC4016
7
0.291 – 0.299**
DESCRIPTION
Micropower Precision Triple Supply Monitor
Micropower Triple Supply Monitor for PCI Applications
PPLICATI
(0.406 – 1.270)
11
0.016 – 0.050
12
45
14
13
100 F
0.1 F
2
5V
+
0 – 8 TYP
O
V
V
BATT
CC
U
(2.362 – 2.642)
S
0.093 – 0.104
LTC691
LTC695
GND
U
16-Lead Plastic Small Outline (Narrow 0.150)
LOW LINE
(1.270)
0.050
TYP
Dimensions in inches (millimeters) unless otherwise noted.
V
OUT
(0.356 – 0.482)
LTC690 TA03
0.014 – 0.019
TYP
(LTC DWG # 05-08-1610)
0.1 F
S Package
0.1 F
5V
3V
(0.940 – 1.143)
0.037 – 0.045
(0.102 – 0.305)
COMMENTS
4.725V, 3.118V, 1V Thresholds ( 0.75%)
Meets PCI t
0.004 – 0.012
V
V
CC
BATT
LTC691
LTC695
NOTE 1
GND
Write Protect for Additional RAMs
LOW LINE
FAIL
CE OUT
CE IN
V
Timing Specifications
OUT
16
1
15
2
CS A
20ns PROPAGATION
DELAY
14
(10.109 – 10.490)
3
690fc LT/TP 0399 2K REV C • PRINTED IN USA
+
0.398 – 0.413*
LINEAR TECHNOLOGY CORPORATION 1992
13
4
10 F
OPTIONAL CONNECTION FOR
ADDITIONAL RAMs
CS B
CS C
12
5
11 10
6
7
9
8
0.1 F
0.1 F
0.1 F
(10.007 – 10.643)
S16 (WIDE) 0396
0.394 – 0.419
CS
V
CS1
CS2
V
V
CS1
CS2
CC
CC
RAM B
RAM A
CC
RAM C
62512
62128
62128
690 TA04