| Siemens / Infineon RAM chip marking |
SIEMENS
Infineon
|
www.siemens.com
www.infineon.com |
| HYB |
HYB - Siemens (Infineon since 2000) |
| SGRAM - RAM type |
SGRAM
DDR SGRAM |
| 39S - RAM type |
39S - SGRAM
39D - SGRAM
25D - DDR SGRAM
25R - Direct Rambus |
| 16 - memory density |
16 - 16MBit
32 - 32MBit
64 - 64MBit
128 - 128MBit
256 - 256MBit |
| 16 - bit organization |
4 - x4
8 - x8
16 - x16
32 - x32 |
| 0 - banks |
0 - 2 banks
1 - 2 banks
21 - 2 banks
41 - 4 banks |
| C - die revision |
A/B/C ... |
| J - package option |
J - SOJ
T - P-TSOPII
TQ - TSOP Quad |
| 50 - min cycle time |
3.6 - 3.6ns
6 - 6.0ns
7 - 7.0ns
8 - 8.0ns, PC100, 2-2-2
8B - 8.0ns, PC100, 3-2-3
10 - 10.0ns, PC66, 2-2-2
50 - 50ns
60 - 60ns |
| 9901 - date of manufacture |
99 - year of manufacture
01 - week of manufacture |
| SUU49817 - Serialization code |
? |
