| 70521 | 28C256 | 256K 32K x 8 Paged CMOS E2PROM | Atmel |
| 70522 | 28C256 | 32K-Bit Parallel E2PROM | Catalyst Semiconductor |
| 70523 | 28C256 | 5 Volt / Byte Alterable E2PROM | Xicor |
| 70524 | 28C256AJC-1 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 120 ns. | Turbo IC |
| 70525 | 28C256AJC-1 | High speed 120 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70526 | 28C256AJC-2 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 150 ns. | Turbo IC |
| 70527 | 28C256AJC-2 | High speed 150 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70528 | 28C256AJC-3 | High speed 200 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70529 | 28C256AJC-3 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 200 ns. | Turbo IC |
| 70530 | 28C256AJC-4 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 250 ns. | Turbo IC |
| 70531 | 28C256AJC-4 | High speed 250 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70532 | 28C256AJI-1 | High speed 120 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70533 | 28C256AJI-1 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 120 ns. | Turbo IC |
| 70534 | 28C256AJI-2 | High speed 150 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70535 | 28C256AJI-2 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 150 ns. | Turbo IC |
| 70536 | 28C256AJI-3 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 200 ns. | Turbo IC |
| 70537 | 28C256AJI-3 | High speed 200 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70538 | 28C256AJI-4 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 250 ns. | Turbo IC |
| 70539 | 28C256AJI-4 | High speed 250 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
|
| 70540 | 28C256AJM-1 | High speed 120 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70541 | 28C256AJM-1 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 120 ns. | Turbo IC |
| 70542 | 28C256AJM-2 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 150 ns. | Turbo IC |
| 70543 | 28C256AJM-2 | High speed 150 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70544 | 28C256AJM-3 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 200 ns. | Turbo IC |
| 70545 | 28C256AJM-3 | High speed 200 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70546 | 28C256AJM-4 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 250 ns. | Turbo IC |
| 70547 | 28C256AJM-4 | High speed 250 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70548 | 28C256APC-1 | High speed 120 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70549 | 28C256APC-1 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 120 ns. | Turbo IC |
| 70550 | 28C256APC-2 | High speed 150 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70551 | 28C256APC-2 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 150 ns. | Turbo IC |
| 70552 | 28C256APC-3 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 200 ns. | Turbo IC |
| 70553 | 28C256APC-3 | High speed 200 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70554 | 28C256APC-4 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 250 ns. | Turbo IC |
| 70555 | 28C256APC-4 | High speed 250 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70556 | 28C256API-1 | High speed 120 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70557 | 28C256API-1 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 120 ns. | Turbo IC |
| 70558 | 28C256API-2 | High speed CMOS. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Access time 150 ns. | Turbo IC |
| 70559 | 28C256API-2 | High speed 150 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
| 70560 | 28C256API-3 | High speed 200 ns CMOS 256 K electrically erasable programmable ROM 32K x 8 BIT EEPROM | Turbo IC |
