Microchip’s 93AA46B/93C46B/93LC46B-I/ST family of devices are 1 Kbit Microwire Serial EEPROMs available in a variety of package, temperature and power supply variants.
Features 64 x 16-bit Organization
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
 - 64 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
 




















