tu25c256si Memory of PDF datasheet

Part Nnmber : TU25C256SI
Manufacturer : TRBIC
Description : 4.5V-5.5V, CMOS SPI bus 128K electrically erasable programmable ROM 32K x 8BIT EEPROM
Datasheet PDF

Part Nnmber : TU25C256SI
Manufacturer : Turbo-IC
Description : CMOS SPI bus. 256K electrically erasable programmable ROM. 32K x 8 bit EEPROM. Voltage 4.5V to 5.5V.
Datasheet PDF