The M93S46, M93S56, M93S66 devices are Electrically Erasable PROgrammable Memories (EEPROMs) organized as 64, 128 or 256 words (one word is 16 bits), accessed through the MICROWIRE bus. The M93S46, M93S56, M93S66 can operate with a supply voltage from 2.5 V to 5.5 V over an ambient temperature range of -40 °C / +85 °C.

Compatible with MICROWIRE bus serial interface
Memory array
1 Kbit, 2 Kbit or 4 Kbit of EEPROM
Organized by word (16b)
Page = 4 words
Write
Byte write within 5 ms
Page write within 5 ms
Ready/busy signal during programming
User defined write protected area
High-speed clock: 2 MHz
Single supply voltage:
2.5 V to 5.5 V
Operating temperature range: -40 °C up to +85 °C.
Enhanced ESD protection
More than 4 million write cycles
More than 200-year data retention
Packages
PDIP8
TSSOP8
SO8