MC74AC138, MC74ACT138
http://onsemi.com
8
PACKAGE DIMENSIONS
TSSOP−16
DT SUFFIX
16 PIN PLASTIC TSSOP PACKAGE
CASE948F−01
ISSUE O
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 4.90 5.10 0.193 0.200
B 4.30 4.50 0.169 0.177
C −−− 1.20 −−− 0.047
D 0.05 0.15 0.002 0.006
F 0.50 0.75 0.020 0.030
G 0.65 BSC 0.026 BSC
H 0.18 0.28 0.007 0.011
J 0.09 0.20 0.004 0.008
J1 0.09 0.16 0.004 0.006
K 0.19 0.30 0.007 0.012
K1 0.19 0.25 0.007 0.010
L 6.40 BSC 0.252 BSC
M 0 8 0 8
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD FLASH.
PROTRUSIONS OR GATE BURRS. MOLD FLASH
OR GATE BURRS SHALL NOT EXCEED 0.15
(0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED
0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN
EXCESS OF THE K DIMENSION AT MAXIMUM
MATERIAL CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE DETERMINED
AT DATUM PLANE −W−.
___ _
SECTION N−N
SEATING
PLANE
IDENT.
PIN 1
1
8
16
9
DETAIL E
J
J1
B
C
D
A
K
K1
H
G
DETAIL E
F
M
L
2X L/2
−U−
S
U0.15 (0.006) T
S
U0.15 (0.006) T
S
U
M
0.10 (0.004) V
S
T
0.10 (0.004)
−T−
−V−
−W−
0.25 (0.010)
16X REFK
N
N
EIAJ−16
M SUFFIX
16 PIN PLASTIC EIAJ PACKAGE
CASE966−01
ISSUE O
H
E
A
1
DIM MIN MAX MIN MAX
INCHES
−−− 2.05 −−− 0.081
MILLIMETERS
0.05 0.20 0.002 0.008
0.35 0.50 0.014 0.020
0.18 0.27 0.007 0.011
9.90 10.50 0.390 0.413
5.10 5.45 0.201 0.215
1.27 BSC 0.050 BSC
7.40 8.20 0.291 0.323
0.50 0.85 0.020 0.033
1.10 1.50 0.043 0.059
0
0.70 0.90 0.028 0.035
−−− 0.78 −−− 0.031
A
1
H
E
Q
1
L
E
_
10
_
0
_
10
_
L
E
Q
1
_
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
FLASH OR PROTRUSIONS AND ARE MEASURED
AT THE PARTING LINE. MOLD FLASH OR
PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006)
PER SIDE.
4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
M
L
DETAIL P
VIEW P
c
A
b
e
M
0.13 (0.005)
0.10 (0.004)
1
16 9
8
D
Z
E
A
b
c
D
E
e
L
M
Z
