- X28HC256SI-90
- Intersil Corporation
- 32K X 8 EEPROM 5V, 90 ns, PDSO28
- X28HC256SI-90T1
- Intersil Corporation
- 256K, 32K x 8 Bit; 5 Volt, Byte Alterable EEPROM; Temperature Range: -40°C to 85°C; Package: 28-SOIC T&R
- X28HC256SI-90
- Xicor, Inc.
- 5 Volt, Byte Alterable E2PROM
- X28HC256SI-90T1
- Xicor, Inc.
- 5 Volt, Byte Alterable EEPROM