7

LT1280A/LT1281A

PACKAGE DESCRIPTIO

Dimensions in inches (millimeters) unless otherwise noted.

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.

S16 (WIDE) 0396

NOTE 1

0.398 – 0.413*

(10.109 – 10.490)

16

15

14

13

12

11

10

9

1

23

4

5

6

78

0.394 – 0.419

(10.007 – 10.643)

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

*

**

SW Package

16-Lead Plastic Small Outline (Wide 0.300)

(LTC DWG # 05-08-1620)

N Package

16-Lead PDIP (Narrow 0.300)

(LTC DWG # 05-08-1510)

N16 1197

0.770*

(19.558)

MAX

16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

0.255

± 0.015*

(6.477

± 0.381)

0.020

(0.508)

MIN

0.125

(3.175)

MIN

0.130

± 0.005

(3.302

± 0.127)

0.065

(1.651)

TYP

0.045 – 0.065

(1.143 – 1.651)

0.018

± 0.003

(0.457

± 0.076)

0.100

± 0.010

(2.540

± 0.254)

0.009 – 0.015

(0.229 – 0.381)

0.300 – 0.325

(7.620 – 8.255)

0.325

+0.035

–0.015

+0.889

–0.381

8.255

()

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

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

N Package

18-Lead PDIP (Narrow 0.300)

(LTC DWG # 05-08-1510)

N18 1197

0.255

± 0.015*

(6.477

± 0.381)

0.900*

(22.860)

MAX

18

12

3

4

56

7

8

9

10

11

12

13

14

16

15

17

0.020

(0.508)

MIN

0.125

(3.175)

MIN

0.130

± 0.005

(3.302

± 0.127)

0.065

(1.651)

TYP

0.045 – 0.065

(1.143 – 1.651)

0.018

± 0.003

(0.457

± 0.076)

0.005

(0.127)

MIN

0.100

± 0.010

(2.540

± 0.254)

0.009 – 0.015

(0.229 – 0.381)

0.300 – 0.325

(7.620 – 8.255)

0.325

+0.035

–0.015

+0.889

–0.381

8.255

()

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

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