MC74HC4538A
PACKAGE DIMENSIONS
SOEIAJ−16
F SUFFIX
CASE 966−01
ISSUE O
NOTES:
ꢀꢁ1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
L
16
9
E
ꢀꢁ2. CONTROLLING DIMENSION: MILLIMETER.
ꢀꢁ3. DIMENSIONS D AND E DO NOT INCLUDE
MOLD FLASH OR PROTRUSIONS AND ARE
MEASURED AT THE PARTING LINE. MOLD FLASH
OR PROTRUSIONS SHALL NOT EXCEED 0.15
(0.006) PER SIDE.
Q
1
H
E
E
M
_
ꢀꢁ4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
1
8
L
ꢀꢁ5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
DETAIL P
Z
D
VIEW P
e
A
c
MILLIMETERS
INCHES
MIN MAX
−−− 0.081
DIM MIN
MAX
2.05
0.20
0.50
0.27
10.50
5.45
A
−−−
0.05
0.35
0.18
9.90
5.10
A
A
1
0.002
0.008
0.020
0.011
0.413
0.215
1
b
0.13 (0.005)
b
c
0.014
0.007
0.390
0.201
0.10 (0.004)
M
D
E
e
1.27 BSC
0.050 BSC
H
7.40
0.50
1.10
8.20
0.85
1.50
0.291
0.020
0.043
0.323
0.033
0.059
E
L
L
E
0
10
10
0.035
M
Q
0
0.028
_
_
_
_
0.70
−−−
0.90
0.78
1
Z
−−− 0.031
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