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| # | Part: | Description: | Manuf. | Package | Pins | T°min | T°max | PDF size |
| 1. |  UPD444001 | 4M-BIT CMOS FAST SRAM 4M-WORD BY 1-BIT | NEC | NEC | - | - | - | 145 Kb |
| 2. | UPD444001LE-10 | 4M-BIT CMOS FAST SRAM 4M-WORD BY 1-BIT | NEC | NEC | - | - | - | 145 Kb |
| 3. | UPD444001LE-11 | 4M-BIT CMOS FAST SRAM 4M-WORD BY 1-BIT | NEC | NEC | - | - | - | 145 Kb |
| 4. | UPD444001LE-12 | 4M-BIT CMOS FAST SRAM 4M-WORD BY 1-BIT | NEC | NEC | - | - | - | 145 Kb |
| 5. | UPD444004 | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | NEC | NEC | - | - | - | 118 Kb |
| 6. | UPD444004L | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | NEC | NEC | - | - | - | 102 Kb |
| 7. | UPD444004LE-10 | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | NEC | NEC | - | - | - | 118 Kb |
| 8. | UPD444004LE-12 | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | NEC | NEC | - | - | - | 118 Kb |
| 9. | UPD444004LE-8 | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | NEC | NEC | - | - | - | 118 Kb |
| 10. | UPD444004LLE-A10 | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | NEC | NEC | - | - | - | 102 Kb |
| 11. | UPD444004LLE-A12 | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | NEC | NEC | - | - | - | 102 Kb |
| 12. | UPD444004LLE-A8 | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | NEC | NEC | - | - | - | 102 Kb |
| 13. | UPD444008 | 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT | NEC | NEC | - | - | - | 103 Kb |
| 14. | UPD444008L | 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT | NEC | NEC | - | - | - | 103 Kb |
| 15. | UPD444008LE-10 | 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT | NEC | NEC | - | - | - | 103 Kb |
| 16. | UPD444008LE-12 | 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT | NEC | NEC | - | - | - | 103 Kb |
| 17. | UPD444008LE-8 | 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT | NEC | NEC | - | - | - | 103 Kb |
| 18. | UPD444008LLE-A10 | 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT | NEC | NEC | - | - | - | 103 Kb |
| 19. | UPD444008LLE-A12 | 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT | NEC | NEC | - | - | - | 103 Kb |
| 20. | UPD444008LLE-A8 | 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT | NEC | NEC | - | - | - | 103 Kb |
