MC74AC646, MC74ACT646
PACKAGE DIMENSIONS
PDIP–24
N SUFFIX
24 PIN PLASTIC DIP PACKAGE
CASE 724–03
ISSUE D
–A–
NOTES:
1. CHAMFERED CONTOUR OPTIONAL.
2. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
3. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
4. CONTROLLING DIMENSION: INCH.
24
1
13
12
–B–
INCHES
DIM MIN MAX
1.265 31.25
MILLIMETERS
L
MIN
MAX
32.13
6.85
4.44
0.51
C
A
B
C
D
E
F
1.230
0.250
0.145
0.015
0.270
0.175
0.020
6.35
3.69
0.38
NOTE 1
–T–
SEATING
PLANE
K
0.050 BSC
1.27 BSC
0.040
0.060
1.02
1.52
N
M
E
G
J
0.100 BSC
2.54 BSC
0.007
0.110
0.012
0.140
0.18
2.80
0.30
3.55
G
J 24 PL
F
K
L
M
M
T B
0.300 BSC
7.62 BSC
0.25 (0.010)
D 24 PL
M
N
0
_
0.020
15
_
0.040
0
_
0.51
15
_
1.01
M
M
T A
0.25 (0.010)
SO–24
DW SUFFIX
24 PIN PLASTIC SOIC PACKAGE
CASE 751E–04
ISSUE E
–A–
NOTES:
24
13
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
–B– 12X P
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
M
M
B
0.010 (0.25)
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN
EXCESS OF D DIMENSION AT MAXIMUM
MATERIAL CONDITION.
1
12
24X D
J
MILLIMETERS
INCHES
MIN
M
S
S
B
0.010 (0.25)
T
A
DIM MIN
MAX
15.54
7.60
2.65
0.49
0.90
MAX
0.612
0.299
0.104
0.019
0.035
A
B
C
D
F
15.25
7.40
2.35
0.35
0.41
0.601
0.292
0.093
0.014
0.016
F
R X 45
_
G
J
1.27 BSC
0.050 BSC
0.23
0.13
0
0.32
0.29
8
0.009
0.005
0
0.013
0.011
8
C
K
K
M
P
R
–T–
SEATING
PLANE
_
_
_
_
M
10.05
0.25
10.55
0.75
0.395
0.010
0.415
0.029
22X G
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