Package outline dimensions – Diodes 74AHC138 User Manual
Page 8
74AHC138
Document number: DS35482 Rev. 2 - 2
8 of 10
June 2013
© Diodes Incorporated
Preliminary
74AHC138
Package Outline Dimensions
(All Dimensions in mm)
version.
(1) Package Type: SO-16
(2) Package Type: TSSOP-16
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 -
Ш 0° 8° -
Ш1 5° 15° -
All Dimensions in mm
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
DETAIL 'A'
SEATING PLANE
GAUGE PLANE
Ø
L
8X
Ø1
e
b 16X
E
E/2
E1
E1/2
D
SEATING PLANE
A
A1
PIN 1
e
b
E
E/2
E1
A2
A
D
A1
X
Y
SEE DETAIL 'A'
SEATING PLANE
GAUGE
PLANE
R
L
L1
L2
Ø0.760Depth0.050±0.02
R1
x)
C