MCM6728B
7
MOTOROLA FAST SRAM
PACKAGE DIMENSIONS
28-LEAD
400 MIL SOJ
CASE 810-03
MIN
18.29
10.04
3.26
0.39
2.24
0.67
MIN
0.720
0.395
0.128
0.015
0.088
0.026
MAX
18.54
10.28
3.75
0.50
2.48
0.81
MAX
0.730
0.405
0.148
0.020
0.098
0.032
MILLIMETERS
INCHES
DIM
A
B
C
D
E
F
G
H
K
L
M
N
P
R
S
0
°
0.76
11.05
9.15
0.77
5
°
1.14
11.30
9.65
1.01
1.27 BSC
—
0.89
0.64 BSC
0.050 BSC
—
0.035
0.025 BSC
0
°
0.030
0.435
0.360
0.030
5
°
0.50
1.14
0.020
0.045
0.045
0.445
0.380
0.040
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. DIMENSION A & B DO NOT INCLUDE MOLD
PROTRUSION. MOLD PROTRUSION SHALL NOT
EXCEED 0.15 (0.006) PER SIDE.
3. CONTROLLING DIMENSION: INCH.
4. DIM R TO BE DETERMINED AT DATUM -T-.
5. 810-01 AND -02 OBSOLETE, NEW STANDARD
810-03.
1
14
15
28
H BRK
-A-
M
K
G
L
N
F
P
-B-
M
R
E
C
S RAD
0.10 (0.004)
SEATING
PLANE
-T-
0.25 (0.010)
T
S
B
S
S
0.18 (0.007)
M
T
A
S
0.18 (0.007)
T
B
S
D
28 PL
DETAIL Z
DETAIL Z
ORDERING INFORMATION
(Order by Full Part Number)
Motorola Memory Prefix
Part Number
Package (WJ = 400 mil SOJ)
Full Part Numbers — MCM6728BWJ8
MCM6728BWJ10
MCM6728BWJ10R
MCM6728BWJ12
MCM6728BWJ12R
MCM6728BWJ8R
Shipping Method (R = Tape and Reel, Blank = Rails)
Speed (8 = 8 ns, 10 = 10 ns, 12 = 12 ns)
MCM 6728B WJ
XX
X
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