MC74AC646DWR2G Datasheet, PDF (9/11 Pages) ON Semiconductor – Octal Transceiver/Register with 3−State Outputs (Non−inverting)

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