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| # | Part: | Description: | Manuf. | Package | Pins | T°min | T°max | PDF size |
| 1. |  P4C16820JM | ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS | List of Unclassifed Manufacturers | ETC | - | - | - | 83 Kb |
| 2. | P4C17020JM | ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS | List of Unclassifed Manufacturers | ETC | - | - | - | 83 Kb |
| 3. | P4C16920JM | ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS | List of Unclassifed Manufacturers | ETC | - | - | - | 83 Kb |
| 4. | P4C116-20JM | ULTRA HIGH SPEED 2K x 8 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 250 Kb |
| 5. | P4C170-20JM | ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 245 Kb |
| 6. | P4C174-20JM | HIGH SPEED 8K x 8 CACHE TAG STATIC RAM | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 287 Kb |
| 7. | P4C188-20JM | ULTRA HIGH SPEED 16K x 4 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 212 Kb |
| 8. | P4C169-20JM | ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 245 Kb |
| 9. | P4C187-20JM | ULTRA HIGH SPEED 64K x 1 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 319 Kb |
| 10. | P4C167-20JM | ULTRA HIGH SPEED 16K X 1 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 199 Kb |
| 11. | P4C168-20JM | ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 245 Kb |
| 12. | P4C198-20JM | ULTRA HIGH SPEED 16K x 4 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 241 Kb |
| 13. | P3C1011-20JM | HIGH SPEED 128K x 16 (2 MEG) STATIC CMOS RAM | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 116 Kb |
| 14. | P4C1049-20JM | HIGH SPEED 512K x 8 STATIC CMOS RAM | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 219 Kb |
| 15. | P4C1256-20JM | HIGH SPEED 32K x 8 STATIC CMOS RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 98 Kb |
| 16. | P4C1298-20JM | ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 132 Kb |
| 17. | P4C1981-20JM | ULTRA HIGH SPEED 16K x 4 CMOS STATIC RAMS | List of Unclassifed Manufacturers | ETC | - | - | - | 126 Kb |
| 18. | P4C1982-20JM | ULTRA HIGH SPEED 16K x 4 CMOS STATIC RAMS | List of Unclassifed Manufacturers | ETC | - | - | - | 126 Kb |
| 19. | P4C198A-20JM | ULTRA HIGH SPEED 16K x 4 STATIC CMOS RAMS | Pyramid Semiconductor Corporation | PYRAMID | - | - | - | 241 Kb |
| 20. | AS27C256-20JM | 256K UVEPROM UV Erasable Programmable Read-Only Memory | Austin Semiconductor | AUSTIN | - | - | - | 294 Kb |
