MCM69P819 Datasheet, PDF (18/20 Pages) Motorola, Inc – 256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM

PACKAGE DIMENSIONS
ZP PACKAGE
7 x 17 BUMP PBGA
CASE 999–02
4X
C
E
D2
E2
TOP VIEW
A3
A ^A2
0.20
119X
B
7 6 54 3 2 1
A
B
C
D
E
F
G
D
D1
H
J
K
L
16X e
M
N
P
R
T
U
6X e
E1
BOTTOM VIEW
0.25 A
b
0.3 M
0.15 M
ABC
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. ALL DIMENSIONS IN MILLIMETERS.
3. DIMENSION b IS THE MAXIMUM SOLDER BALL
DIAMETER MEASURED PARALLEL TO DATUM A.
4. DATUM A, THE SEATING PLANE, IS DEFINED BY
THE SPHERICAL CROWNS OF THE SOLDER
BALLS.
MILLIMETERS
DIM MIN MAX
A ––– 2.40
A1 0.50 0.70
A2 1.30 1.70
A3 0.80 1.00
D 22.00 BSC
D1 20.32 BSC
D2 19.40 19.60
E 14.00 BSC
E1 7.62 BSC
E2 11.90 12.10
b 0.60 0.90
e
1.27 BSC
0.35 A
0.20 A
A1
SIDE VIEW
SEATING
PLANE
A
MCM69P819
18
MOTOROLA FAST SRAM