General Description
The AK93C45A/55A/65A/75A is a 1024/2048/4096/8192-bit serial CMOS EEPROM divided into 64/128/256/512 registers of 16 bits each. The AK93C45A/55A/65A/75A has 4 instructions such as READ, WRITE, EWEN and EWDS. Those instructions control the AK93C45A/55A/65A/75A.

FEATUREs
□ ADVANCED CMOS EEPROM TECHNOLOGY
□ READ/WRITE NON-VOLATILE MEMORY
□ WIDE VCC OPERATION : VCC = 1.8V to 5.5V
□ AK93C45A ・・1024 bits, 64 x 16 organization
    AK93C55A ・・2048 bits, 128 x 16 organization
    AK93C65A ・・4096 bits, 256 x 16 organization
    AK93C75A ・・8192 bits, 512 x 16 organization
□ SERIAL INTERFACE
    - Interfaces with popular microcontrollers and standard microprocessors
□ LOW POWER CONSUMPTION
    - 0.8µA Max. Standby
□ High Reliability
    - Endurance : 100K cycles
    - Data Retention : 10 years
□ Automatic address increment (READ)
□ Automatic write cycle time-out with auto-ERASE
□ Busy/Ready status signal
□ Software controlled write protection
□ IDEAL FOR LOW DENSITY DATA STORAGE
    - Low cost, space saving, 8-pin package (SOP, TSSOP)