MC74LCX245
PACKAGE DIMENSIONS
SOIC−20
DW SUFFIX
CASE 751D−05
ISSUE G
D
A
11
X 45
_
q
H
M
B
M
20
10X
0.25
E
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
MIN
MAX
2.35
2.65
0.10
0.25
0.35
0.49
0.23
0.32
12.65
12.95
7.40
7.60
1.27 BSC
10.05
10.55
0.25
0.75
0.50
0.90
0
_
7
_
1
10
DIM
A
A1
B
C
D
E
e
H
h
L
q
20X
B
0.25
M
B
T A
S
B
S
A
e
SEATING
PLANE
h
18X
A1
T
C
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