20

LTC1409

©LINEAR TECHNOLOGY CORPORATION 1995

1409f LT/TP 0397 7K • PRINTED IN USA

PACKAGE DESCRIPTIO

Dimensions in inches (millimeters) unless otherwise noted.

Linear Technology Corporation

G Package

28-Lead Plastic SSOP (0.209)

(LTC DWG # 05-08-1640)

G28 SSOP 0694

0.005 – 0.009

(0.13 – 0.22)

0

° – 8°

0.022 – 0.037

(0.55 – 0.95)

0.205 – 0.212**

(5.20 – 5.38)

0.301 – 0.311

(7.65 – 7.90)

12 3

4

5

6 7 8

9 10 11 12

14

13

0.397 – 0.407*

(10.07 – 10.33)

25

26

22 21 20 19 18 17 16 15

23

24

27

28

0.068 – 0.078

(1.73 – 1.99)

0.002 – 0.008

(0.05 – 0.21)

0.0256

(0.65)

BSC

0.010 – 0.015

(0.25 – 0.38)

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

*

**

SW Package

28-Lead Plastic Small Outline (Wide 0.300)

(LTC DWG # 05-08-1620)

S28 (WIDE) 0996

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)

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

NOTE 1

0.697 – 0.712*

(17.70 – 18.08)

1

23

4

5

6

78

0.394 – 0.419

(10.007 – 10.643)

910

25

26

11 12

22 21 20 19 18

17

16 15

23

24

14

13

27

28

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

*

**

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PART NUMBER

DESCRIPTION

COMMENTS

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