IBM RAM chip marking & reference


On chip top 0364164CT3B
6B 20L9423
IBM 9352
935603170 Q
IBM025170LG5B-60
63G9501 93 14
N39095KK PQ
IBM025171LG5B-70
63G9504 9314
Q06F00KK PQ

IBM RAM chip marking
IBM www.ibm.com
IBM IBM - International Business Machines
0 - RAM type 0 - ?
03 - ?
64 - memory density 14 - 4MBit
11 - 16MBit
16 - 64MBit
64 - 64MBit
25 - VRAM
16 - bit organization 4MBit:
16 - 256K x 16
80 - 512K x 8
40 - 1024K x 4
 
16MBit:
16 - 1024K x 16
80 - 2048K x 8
40 - 4096K x 4
 
VRAM:
160 - 256K x 16
161 - 256K x 16
170 - 256K x 16
171 - 256K x 16
6 - refresh 8 - 1K refresh
7 - 2K refresh
6 - 4K refresh
60 - min cycle time 10 - 10.0ns
50 - 50.0ns
60 - 60.0ns
70 - 70.0ns
80 - 8.0ns
B - voltage [blank] - 5.0V
L - 5.0V [VRAM]
M - 5.0V low power
B - 3.3V
N - 3.3V [VRAM]
P - 3.3V low power
J - package option C5 -
T3 -
C - die revision A/B/C ...
20L9423 - IBM chip number 20L9423
63G9501
63G9504
9352 - date of manufacture 98 - year of manufacture
12 - week of manufacture
935603170 - Serialization code ?