7

LT1342

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.

PACKAGE DESCRIPTIO

Dimensions in inches (millimeters) unless otherwise noted.

G Package

28-Lead Plastic SSOP (0.209)

(LTC DWG # 05-08-1640)

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

S28 (WIDE) 0996

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

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

*

**

G28 SSOP 0694

0.301 – 0.311

(7.65 – 7.90)

1234 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)

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)

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

*

**

N28 1197

0.505 – 0.560*

(12.827 – 14.224)

1.455*

(36.957)

MAX

12

3

4

5

6

7

8

9

10

27

19

20

21

22

24

23

25

26

28

11

12

13

14

15

16

17

18

0.070

(1.778)

TYP

0.015

(0.381)

MIN

0.125

(3.175)

MIN

0.150

± 0.005

(3.810

± 0.127)

0.018

± 0.003

(0.457

± 0.076)

0.035 – 0.080

(0.889 – 2.032)

0.100

± 0.010

(2.540

± 0.254)

0.045 – 0.065

(1.143 – 1.651)

0.009 – 0.015

(0.229 – 0.381)

0.625

+0.035

–0.015

+0.889

–0.381

15.87

()

0.600 – 0.625

(15.240 – 15.875)

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)

NW Package

28-Lead PDIP (Wide 0.600)

(LTC DWG # 05-08-1520)

SW Package

28-Lead Plastic Small Outline (Wide 0.300)

(LTC DWG # 05-08-1620)