74AHC257 データシートの表示（PDF） - Philips Electronics
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74AHC257 Datasheet PDF : 20 Pages
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Philips Semiconductors
Quad 2-input multiplexer; 3-state
PACKAGE OUTLINES
SO16: plastic small outline package; 16 leads; body width 3.9 mm
Product specification
74AHC257;
74AHCT257
SOT109-1
D
y
Z
16
pin 1 index
1
e
E
A
X
c
HE
vM A
9
A2
A1
8
bp
wM
Q
(A 3)
A
θ
Lp
L
detail X
0
2.5
5 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
UNIT max. A1
A2
A3
bp
c
D (1) E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
1.27
6.2
5.8
1.05
1.0
0.4
0.7
0.6
0.25 0.25
0.1
0.7
0.3
8o
inches
0.069
0.010
0.004
0.057
0.049
0.01
0.019 0.0100 0.39
0.014 0.0075 0.38
0.16
0.15
0.050
0.244
0.228
0.041
0.039
0.016
0.028
0.020
0.01
0.01
0.004
0.028
0.012
0o
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
OUTLINE
VERSION
SOT109-1
IEC
076E07
REFERENCES
JEDEC
EIAJ
MS-012
EUROPEAN
PROJECTION
ISSUE DATE
97-05-22
99-12-27
2000 Apr 03
12
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