The S-24CS01A/02A/04A/08A is a 2-wired, low power and wide range operation 1k bit, 2k bit, 4k bit and 8k bit E2PROM organized as 128 words ×8 bits, 256 words ×8 bits, 512 words ×8 bits and 1024 words ×8 bits in each.
Page write and sequential read are available.

„Features
•Low power consumption  Standby :  2.0 µA Max. (VCC=5.5 V)
 Read :  0.8 mA Max. (VCC=5.5 V)
•Operating voltage range  Read :  1.8 to 5.5 V (at −40 to +85°C)
 Write :  2.55 to 5.5 V (at −40 to +85°C)
•Page write :  8 bytes / page (S-24CS01A/02A)
 16 bytes / page (S-24CS04A/08A)  •Sequential read
•Operating Frequency :  400 kHz (VCC=5 V±10%, at −40 to +85°C)
•Write disable function when power supply voltage is low