Philips Semiconductors
3-to-8 line decoder/demultiplexer; inverting
PACKAGE OUTLINES
SO16: plastic small outline package; 16 leads; body width 3.9 mm
Product specification
74AHC138;
74AHCT138
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 0.028
0.016 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
076E07S
REFERENCES
JEDEC
EIAJ
MS-012AC
EUROPEAN
PROJECTION
ISSUE DATE
95-01-23
97-05-22
1999 Sep 27
11