Microchip’s 93AA66B/93C66B/93LC66B-I/ST family of devices are 4 Kbit Microwire Serial EEPROMs available in a variety of package, temperature and power supply variants.
Features 16-bit x 256 Organisation
Self-Timed Erase/Write Cycles (including Auto-Erase)
Automatic Erase All (ERAL) Before Write All (WRAL)
Power-On/Off Data Protection Circuitry
Industry Standard 3-Wire Serial I/O
Device Status Signal (Ready/Busy)
Sequential Read Function
1,000,000 Erase/Write Cycles
Data Retention >200 Years
Feature
- Industry Standard Microwire Serial I/O
- Up to 2 MHz clock compatibility
- 256 x 16-Bit Organization
- Automatic Erase All (ERAL) Before Write All (WRAL)
- Self-Timed Erase and Write Cycles (6 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
