mcm67b618bfn9 Freescale Semiconductor, Inc, mcm67b618bfn9 Datasheet - Page 10

• Manufacturer Part Number: mcm67b618bfn9
• Description: 64k X 18 Bit Burstram Synchronous Fast Static Ram With Burst Counter And Self-timed Write , Inc
• Manufacturer: Freescale Semiconductor, Inc

MCM67B618B
10
–L–
C
0.010 (0.25)
52
K1
Z
K
G
VIEW S
S
G1
T
L–M
–N–
1
F
H
S
N
S
0.007 (0.18)
VIEW S
0.007 (0.18)
A
R
V
–M–
J
Y
E
W
PACKAGE DIMENSIONS
BRK
0.007 (0.18)
0.007 (0.18)
M
M
–T–
T
T
0.004 (0.100)
L–M
52–LEAD PLCC
D
D
L–M
FN PACKAGE
CASE 778–02
SEATING
PLANE
M
M
S
S
T
T
N
N
L–M
L–M
S
S
S
S
N
N
B
Z
S
S
X
VIEW D–D
U
0.007 (0.18)
NOTES:
0.007 (0.18)
1. DATUMS –L–, –M–, AND –N– DETERMINED WHERE
2. DIMENSION G1, TRUE POSITION TO BE MEASURED
3. DIMENSIONS R AND U DO NOT INCLUDE MOLD
4. DIMENSIONING AND TOLERANCING PER ANSI
5. CONTROLLING DIMENSION: INCH.
6. THE PACKAGE TOP MAY BE SMALLER THAN THE
7. DIMENSION H DOES NOT INCLUDE DAMBAR
TOP OF LEAD SHOULDER EXITS PLASTIC BODY AT
MOLD PARTING LINE.
AT DATUM –T–, SEATING PLANE.
FLASH. ALLOWABLE MOLD FLASH IS 0.010 (0.250)
PER SIDE.
Y14.5M, 1982.
PACKAGE BOTTOM BY UP TO 0.012 (0.300).
DIMENSIONS R AND U ARE DETERMINED AT THE
OUTERMOST EXTREMES OF THE PLASTIC BODY
EXCLUSIVE OF MOLD FLASH, TIE BAR BURRS, GATE
BURRS AND INTERLEAD FLASH, BUT INCLUDING
ANY MISMATCH BETWEEN THE TOP AND BOTTOM
OF THE PLASTIC BODY.
PROTRUSION OR INTRUSION. THE DAMBAR
PROTRUSION(S) SHALL NOT CAUSE THE H
DIMENSION TO BE GREATER THAN 0.037 (0.940).
THE DAMBAR INTRUSION(S) SHALL NOT CAUSE THE
H DIMENSION TO BE SMALLER THAN 0.025 (0.635).
DIM
G1
K1
A
B
C
G
H
K
R
U
W
E
F
J
V
X
Y
Z
M
G1
T
0.785
0.785
0.165
0.090
0.013
0.026
0.020
0.025
0.750
0.750
0.042
0.042
0.042
0.710
0.040
MIN
0.010 (0.25)
–––
0.050 BSC
2
L–M
INCHES
_
M
0.795
0.795
0.180
0.019
0.032
0.756
0.756
0.048
0.048
0.056
0.020
0.730
T
0.110
MAX
S
MOTOROLA FAST SRAM
–––
–––
10
–––
L–M
_
N
S
19.94
19.94
19.05
19.05
18.04
S
MILLIMETERS
MIN
4.20
2.29
0.33
0.66
0.51
0.64
1.07
1.07
1.07
1.02
S
–––
1.27 BSC
2
T
_
N
L–M
MAX
20.19
20.19
19.20
19.20
18.54
S
4.57
2.79
0.48
0.81
1.21
1.21
1.42
0.50
–––
–––
10
–––
_
S
N
S