Diodes 74AHC138 - Manual (Page 8)

74AHC138
Document number: DS35482 Rev. 2 - 2
8 of 10
www.diodes.com
June 2013
© Diodes Incorporated
Preliminary
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
(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