74AHC257 Philips Semiconductors, 74AHC257 Datasheet - Page 12

• Manufacturer Part Number: 74AHC257
• Description: Quad 2-input multiplexer; 3-state
• Manufacturer: Philips Semiconductors

Philips Semiconductors
PACKAGE OUTLINES
2000 Apr 03
SO16: plastic small outline package; 16 leads; body width 3.9 mm
Quad 2-input multiplexer; 3-state
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
inches
UNIT
mm
VERSION
OUTLINE
SOT109-1
0.069
max.
1.75
A
16
1
0.010
0.004
Z
0.25
0.10
pin 1 index
A
1
y
0.057
0.049
1.45
1.25
A
2
076E07
IEC
0.25
0.01
A
3
e
0.019
0.014
0.49
0.36
b
p
D
0.0100
0.0075
0.25
0.19
MS-012
JEDEC
c
REFERENCES
10.0
0.39
0.38
D
9.8
0
(1)
0.16
0.15
E
4.0
3.8
(1)
b
scale
p
0.050
EIAJ
2.5
1.27
12
9
8
e
w
0.244
0.228
H
6.2
5.8
c
M
E
5 mm
0.041
A
1.05
2
L
A
1
0.039
0.016
1.0
0.4
L
p
0.028
0.020
H
0.7
0.6
E
Q
E
detail X
PROJECTION
EUROPEAN
0.25
0.01
L
v
L
p
Q
0.25
0.01
(A )
w
3
A
74AHCT257
Product specification
74AHC257;
0.004
0.1
y
A
X
v
ISSUE DATE
97-05-22
99-12-27
M
0.028
0.012
Z
0.7
0.3
(1)
A
SOT109-1
8
0
o
o