LT1342 Linear Technology, LT1342 Datasheet - Page 7

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LT1342

Manufacturer Part Number
LT1342
Description
5V RS232 Transceiver with 3V Logic Interface
Manufacturer
Linear Technology
Datasheet

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PACKAGE DESCRIPTIO
(0.229 – 0.330)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
**
0.009 – 0.013
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
*
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
(15.240 – 15.875)
0.600 – 0.625
15.87
0.625
(0.229 – 0.381)
0.009 – 0.015
+0.889
–0.381
+0.035
–0.015
(7.391 – 7.595)
NOTE 1
0.291 – 0.299**
(0.406 – 1.270)
0.016 – 0.050
**
0.005 – 0.009
(0.13 – 0.22)
*
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
(0.381)
0.015
MIN
(3.810 0.127)
0.150 0.005
(3.175)
0 – 8 TYP
0.205 – 0.212**
0.022 – 0.037
0.125
(5.20 – 5.38)
(0.254 – 0.737)
(0.55 – 0.95)
MIN
0.010 – 0.029
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
(2.540 0.254)
0.100 0.010
45
(0.889 – 2.032)
0.035 – 0.080
(2.362 – 2.642)
0.093 – 0.104
0 – 8
(1.270)
0.050
TYP
(1.143 – 1.651)
0.045 – 0.065
U
(0.356 – 0.482)
0.014 – 0.019
28-Lead Plastic Small Outline (Wide 0.300)
0.0256
(0.65)
BSC
TYP
Dimensions in inches (millimeters) unless otherwise noted.
0.010 – 0.015
(0.25 – 0.38)
28-Lead Plastic SSOP (0.209)
28-Lead PDIP (Wide 0.600)
(LTC DWG # 05-08-1520)
(LTC DWG # 05-08-1620)
(LTC DWG # 05-08-1640)
(0.457 0.076)
0.018 0.003
NW Package
SW Package
G Package
0.002 – 0.008
(0.05 – 0.21)
0.068 – 0.078
(1.73 – 1.99)
(0.102 – 0.305)
0.004 – 0.012
(0.940 – 1.143)
0.037 – 0.045
(1.778)
0.070
(12.827 – 14.224)
TYP
0.505 – 0.560*
NOTE 1
28
1 2 3 4 5 6 7 8 9 10 11 12
27
28
28
26
1
1
25
27
2
27
24
2
(10.07 – 10.33)
0.397 – 0.407*
26
3
23
26
22 21 20 19 18 17 16 15
3
25
4
24
25
5
4
23
(17.70 – 18.08)
6
0.697 – 0.712*
24
5
22 21 20 19 18 17 16 15
7
23
6
13
8
(36.957)
14
1.455*
MAX
22
9 10
7
0.301 – 0.311
(7.65 – 7.90)
G28 SSOP 0694
21
8
11 12
20
9
13
19
10
LT1342
14
18
11
S28 (WIDE) 0996
(10.007 – 10.643)
17
12
0.394 – 0.419
16
13
7
N28 1197
15
14

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