st93c57cb3 Memory of PDF datasheet

Part Nnmber : ST93C57CB3
Manufacturer :
Description : Microwire Serial EEPROM

Part Nnmber : ST93C57CB3
Manufacturer : Microchip
Description : 2K (128 x 16 or 256 x 8) microwire serial EEPROM, 3 to 5.5V
Datasheet PDF