| Компонент | Описание | Производитель | |
| PDM4M4050S20AM | 256K x 32 BiCMOS/CMOS static RAM module |
List of Unclassifed Manufacturers |
|
| PDM4M4050S20M | 256K x 32 BiCMOS/CMOS static RAM module |
List of Unclassifed Manufacturers |
|
| PDM4M4050S20Z | 256K x 32 BiCMOS/CMOS static RAM module |
List of Unclassifed Manufacturers |