| IDT RAM chip marking |
| IDT |
www.idt.com |
| IDT |
IDT - Integrated Device Technology |
| 71 - RAM type |
71 - ?
73 - ? |
| 256 - bit organization |
256 - 32K x 8
432 - 32K x 32
433 - 32K x 32
632 - 64K x 32
633 - 64K x 32 |
| V - voltage |
[none] - 5.0V
V - 3.3V low voltage |
| 4 - ? |
4 - ? |
| 33 - ? |
J - SOJ
? - TSOP |
| 50 - min cycle time |
50 - 50ns
60 - 60ns
70 - 70ns |
| C - die revision |
A/B/C ... |
| 9812 - date of manufacture |
98 - year of manufacture
12 - week of manufacture |
| XXXX - Serialization code |
? |
