From old datasheet system 1024-Bit serial CMOS eeprom (MICROWIRE⑩ Synchronous Bus) 1024-Bit serial CMOS eeprom (MICROWIRE Synchronous Bus) Microwire serial eeprom 64 X 16 MICROWIRE BUS serial eeprom, PDSO8 Monolithic Photodiode and Single-Supply Transimpedance Amplifier 8-SOP 64 X 16 MICROWIRE BUS serial eeprom, PDSO8 1024-Bit serial CMOS eeprom (MICROWIRE?Synchronous Bus)