U
PACKAGE DESCRIPTIO
N Package
20-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
1.060*
(26.924)
MAX
20 19 18 17 16 15 14 13 12 11
LTC1289
.255 ± .015*
(6.477 ± 0.381)
.300 – .325
(7.620 – 8.255)
1 2 3 4 5 6 7 8 9 10
.125 – .145
(3.175 – 3.683)
.045 – .065
(1.143 – 1.651)
.008 – .015
(0.203 – 0.381)
.020
(0.508)
MIN
+.035
.325 –.015
( ) 8.255
+0.889
–0.381
.120
(3.048)
MIN
.005
(0.127)
MIN
NOTE:
INCHES
1. DIMENSIONS ARE MILLIMETERS
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
.100
(2.54)
BSC
.065
(1.651)
TYP
.018 ± .003
(0.457 ± 0.076)
N20 0405
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 representation that the
interconnection of circuits as described herein will not infringe on existing patent rights.
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