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| # | Part: | Description: | Manuf. | Package | Pins | T°min | T°max | PDF size |
| 1. |  NN514256 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 2. | NN514256A | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 3. | NN514256AJ-40 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 4. | NN514256AJ-45 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 5. | NN514256AJ-50 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 6. | NN514256AJ-60 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 7. | NN514256AJ-70 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 8. | NN514256ALJ-40 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 9. | NN514256ALJ-45 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 10. | NN514256ALJ-50 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 11. | NN514256ALJ-60 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 12. | NN514256ALJ-70 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 13. | NN514256ALP-40 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 14. | NN514256ALP-45 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 15. | NN514256ALP-50 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 16. | NN514256ALP-60 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 17. | NN514256ALP-70 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 18. | NN514256ALR-40 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 19. | NN514256ALR-45 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
| 20. | NN514256ALR-50 | CMOS 256K x 4bit Dynamic RAM | List of Unclassifed Manufacturers | ETC | - | - | - | 764 Kb |
