| Toshiba RAM chip marking |
| TOSHIBA |
www.toshiba.com |
| TC |
TC - Toshiba (RAM business sold to Micron) |
| 1 - RAM type |
1 - SRAM
2 - VRAM
5 - SDRAM
9 - SDRAM |
| V - voltage |
[none] - 5.0V
S - 3.3V SDRAM
V - 3.3V |
| 4 - memory density |
64 - 64MBit
16 - 16MBit (SDRAM)
8 - 8MBit
6 - 64MBit
4 - 4MBit
1 - 16MBit |
| 26 - bit organization |
26 - 256KBit x 16
32 - ?
40 - 1MBit x 4 |
| 0 - RAM type |
0 - Fast Page
5 - EDO |
| A - die revision |
A/B/C ... |
| SJ - package option |
FF - QFP
FT - TSOP
SJ - SOJ |
| 70 - min cycle time |
8 - 8ns (PC100)
10 - 10ns (PC66)
50 - 50ns
60 - 60ns
70 - 70ns
80 - 80ns
300 - ? |
| 9420 - date of manufacture |
94 - year of manufacture
20 - week of manufacture |
| MAD - Serialization code |
? |
