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LTC1387
sn1387 1387fs LT/GP 0197 7K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1997
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417q (408)432-1900
FAX: (408) 434-0507q TELEX: 499-3977 q www.linear-tech.com
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTION
U
SW Package
20-Lead Plastic Small Outline (Wide 0.300)
(LTC DWG # 05-08-1620)
S20 (WIDE) 0396
NOTE 1
0.496 – 0.512*
(12.598 – 13.005)
20
19
18
17
16
15
14
13
1
23
4
5
6
78
0.394 – 0.419
(10.007 – 10.643)
910
11
12
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
*
**
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC485
Low Power RS485 Interface Transceiver
Single 5V Supply, Wide Common Mode Range
LT
1137A
Low Power RS232 Transceiver
±15kV IEC-1000-4-2 ESD Protection, Three Drivers, Five Receivers
LTC1320
AppleTalk
Transceiver
AppleTalk /LocalTalk
Compliant
LTC1321/LTC1322/LTC1335
RS232/EIA562/RS485 Transceivers
Configurable
LTC1323
Single 5V AppleTalk Transceiver
AppleTalk /LocalTalk Compliant 10kV ESD
LTC1334
Single Supply RS232/RS485 Transceiver
Single 5V Supply, Configurable
LTC1347
5V Low Power RS232 Transceiver
Three Drivers/Five Receivers, Five Receivers Alive in Shutdown
AppleTalk and LocalTalk are registered trademarks of Apple Computer Corp.
G Package
20-Lead Plastic SSOP (5.3mm)
(Reference LTC DWG # 05-08-1640)
G20 SSOP 0802
0.09 – 0.25
(.0035 – .010)
0
° – 8°
0.55 – 0.95
(.022 – .037)
5.00 – 5.60**
(.197 – .221)
7.40 – 8.20
(.291 – .323)
12 3
4
5
6 7 89 10
6.90 – 7.50*
(.272 – .295 )
17
18
14 13 12 11
15
16
19
20
2.0
(.079)
0.05
(.002)
0.65
(.0256)
BSC
0.22 – 0.38
(.009 – .015)
MILLIMETERS
(INCHES)
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED .152mm (.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
*
**
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
0.42
±0.03
0.65 BSC
5.3 – 5.7
7.8 – 8.2
RECOMMENDED SOLDER PAD LAYOUT
1.25
±0.12
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