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74LS244

Octal Buffer / Line Driver with 3-State Outputs

ON Semiconductor 

SN74LS240 SN74LS244

D SUFFIX

PLASTIC SOIC PACKAGE

CASE 751D–05

ISSUE F

D

A

20

11

E

1

10

20X B

B

0.25 M T A S B S

18X e

A

SEATING

PLANE

A1 T

q

C

NOTES:

1. DIMENSIONS ARE IN MILLIMETERS.

2. INTERPRET DIMENSIONS AND TOLERANCES

PER ASME Y14.5M, 1994.

3. DIMENSIONS D AND E DO NOT INCLUDE MOLD

PROTRUSION.

4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.

5. DIMENSION B DOES NOT INCLUDE DAMBAR

PROTRUSION. ALLOWABLE PROTRUSION SHALL

BE 0.13 TOTAL IN EXCESS OF B DIMENSION AT

MAXIMUM MATERIAL CONDITION.

MILLIMETERS

DIM MIN MAX

A 2.35 2.65

A1 0.10 0.25

B 0.35 0.49

C 0.23 0.32

D 12.65 12.95

E 7.40 7.60

e

1.27 BSC

H 10.05 10.55

h 0.25 0.75

L 0.50 0.90

q

0_ 7_

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