The Microchip 93C66AT-E/MS device is a 4Kb Microwire (3-wire) Serial EEPROM with dedicated 8-bit memory organization and a voltage operation range of 4.5 - 5.5V. Also available are the 93C66B for dedicated 16-bit memory organization and the 93C66C for hardware selectable word size using the ORG pin. The 93C66AT-E/MS is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The device is available in a variety of Pb-free packages including SOT-23, PDIP, SOIC, MSOP, DFN and TSSOP.
For product comparison, please consider:93C66B,93C66C
Feature
- Industry Standard Microwire Serial I/O
- Up to 2 MHz clock compatibility
- 512 x 8-Bit Organization
- Automatic Erase All (ERAL) Before Write All (WRAL)
- Self-Timed Erase and Write Cycles (2 ms max.)
- Low Power Consumption:
- Read current 100 uA (Typ), 500 uA (Max)
- Write current 500 uA (Typ), 2 mA (Max)
- Standby current 1 uA (Max at -40 to 85°C)
- Software Write-Protection
- More than 1 million erase/write cycles
- Data retention > 200 years
- Extended Temperature Range Available (Grade 1 as defined in AEC-Q100):
- Grade 1 Temperature Range: -40°C to 125°C
- Qualified for Automotive Applications
- Factory Programming Available
- Available in SOT-23-6, PDIP-8, SOIC-8, MSOP-8, 2x3 DFN-8 and TSSOP-8
