
74AHC138
Package Outline Dimensions (All Dimensions in mm)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
(1) Package Type: SO-16
D
E1/2
E1
E/2
E
e
A
b 16X
A1
SEATING PLANE
SOIC-16
Dim Min Max Typ
A
-
1.75
-
A1 0.10 0.25
-
b
0.31 0.51
-
c
0.10 0.25
-
D 9.80 10.00 -
E 5.80 6.20
-
E1 3.80 4.00
-
e
-
-
1.27
L
0.40 1.27
-
Ø
0°
8°
-
Ø1
5°
15°
-
All Dimensions in mm
DETAIL 'A'
8X Ø1
SEATING PLANE
(2) Package Type: TSSOP-16
GAUGE PLANE
L
Ø
E/2
E
Y
X
PIN 1
e
Ø0.760Depth0.050±0.02
A2
D
A
A1
SEE DETAIL 'A'
E1
b
C
SEATING PLANE
x)
R1
L2
R
GAUGE
PLANE
L
L1
TSSOP-16
Dim Min Max Typ
A
- 1.08 -
A1 0.05 0.15 -
A2 0.80 0.93 -
b 0.19 0.30 -
c 0.09 0.20 -
D 4.90 5.10 -
E
6.40 BSC
E1 4.30 4.50 -
e
0.65 BSC
L 0.45 0.75 -
L1
1.00 REF
L2
0.25 BSC
R 0.09 -
-
R1 0.09 -
-
X
-
- 1.350
Y
-
- 1.050
Θ
0°
8°
-
Θ1
5° 15°
-
Θ2
0°
-
-
All Dimensions in mm
74AHC138
Document number: DS35482 Rev. 2 - 2
8 of 10
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June 2013
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