8

LTC1337

1337fa

 LINEAR TECHNOLOGY CORPORATION 1993

LW/TP 0103 1K REV A • PRINTED IN USA

PACKAGE DESCRIPTIO

RELATED PARTS

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7487

PART NUMBER

DESCRIPTION

COMMENTS

LT1137A

5V, 3 Driver, 5 Receiver RS232 Transceiver

±15kV ESD per IEC 1000-4

LTC1327

3.3V, 3 Driver, 5 Receiver RS562 Transceiver

300µA Supply Current, 0.2µA in Shutdown

LTC1348

3.3V to 5V, 3 Driver, 5 Receiver RS232 Transceiver

True RS232 on 3.3V, 5 Receivers Active in Shutdown

SW Package

28-Lead Plastic Small Outline (Wide .300 Inch)

(Reference LTC DWG # 05-08-1620)

S28 (WIDE) 0502

0° – 8° TYP

NOTE 3

.009 – .013

(0.229 – 0.330)

.016 – .050

(0.406 – 1.270)

.291 – .299

(7.391 – 7.595)

NOTE 4

× 45°

.010 – .029

(0.254 – 0.737)

.037 – .045

(0.940 – 1.143)

.004 – .012

(0.102 – 0.305)

.093 – .104

(2.362 – 2.642)

.050

(1.270)

BSC

.014 – .019

(0.356 – 0.482)

TYP

NOTE 3

.697 – .712

(17.70 – 18.08)

NOTE 4

1

23

4

5

6

78

.394 – .419

(10.007 – 10.643)

910

25

26

11

12

22

21

20

19

18

17

16

15

23

24

14

N/2

13

27

28

N

.420

MIN

.325 ±.005

RECOMMENDED SOLDER PAD LAYOUT

.045 ±.005

N

12

3

N/2

.050 BSC

.030 ±.005

TYP

.005

(0.127)

RAD MIN

INCHES

(MILLIMETERS)

NOTE:

1. DIMENSIONS IN

2. DRAWING NOT TO SCALE

3. 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

4. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)