mc74ac257 ON Semiconductor, mc74ac257 Datasheet - Page 9

• Manufacturer Part Number: mc74ac257
• Description: Quad 2input Multiplexer With 3state Outputs
• Manufacturer: ON Semiconductor

−T−
16
1
SEATING
PLANE
H
16
1
−A−
G
G
D
0.25 (0.010)
−A−
16 PL
F
D
9
8
16 PL
0.25 (0.010)
M
B
S
T
9
8
K
B
K
C
M
−B−
S
−T−
T
A
16 PIN PLASTIC SOIC PACKAGE
16 PIN PLASTIC DIP PACKAGE
A
C
S
P
SEATING
PLANE
PACKAGE DIMENSIONS
M
8 PL
http://onsemi.com
0.25 (0.010)
CASE 751B−05
J
CASE 648−08
N SUFFIX
D SUFFIX
M
PDIP−16
ISSUE R
ISSUE J
SO−16
9
M
L
R
B
X 45
S
_
M
J
F
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS WHEN
4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
Y14.5M, 1982.
FORMED PARALLEL.
DIM
G
M
A
B
C
D
F
H
J
K
L
S
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
5. DIMENSION D DOES NOT INCLUDE DAMBAR
0.740
0.250
0.145
0.015
0.040
0.008
0.295
0.020
0.110
MIN
Y14.5M, 1982.
MOLD PROTRUSION.
PER SIDE.
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
0.100 BSC
0.050 BSC
DIM
0
A
B
C
D
G
K
M
P
R
F
J
INCHES
_
0.770
0.270
0.175
0.021
0.015
0.130
0.305
0.040
MAX
MILLIMETERS
MIN
0.70
9.80
3.80
1.35
0.35
0.40
0.19
0.10
5.80
0.25
10
1.27 BSC
0
_
_
10.00
18.80
MILLIMETERS
MAX
MIN
6.35
3.69
0.39
1.02
0.21
2.80
7.50
0.51
4.00
1.75
0.49
1.25
0.25
0.25
6.20
0.50
2.54 BSC
1.27 BSC
0
7
_
_
0.386
0.150
0.054
0.014
0.016
0.008
0.004
0.229
0.010
19.55
MAX
MIN
6.85
4.44
0.53
1.77
0.38
3.30
7.74
1.01
10
0.050 BSC
0
INCHES
_
_
0.393
0.157
0.068
0.019
0.049
0.009
0.009
0.244
0.019
MAX
7
_