The Microchip 93LC46B device is a 1Kb Microwire (3-wire) Serial EEPROM with dedicated 16-bit memory organization and a voltage operation range of 2.5 - 5.5V. Also available are the 93LC46A for dedicated 8-bit memory organization and the 93LC46C for hardware selectable word size using the ORG pin. The 93LC46B 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:93LC46A,93LC46C
93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C 1K Microwire Compatible Serial EEPROM Device Selection Table Part Number 93AA46A 93AA46B 93LC46A 93LC46B 93C46A 93C46B 93AA46C 93LC46C 93C46C VCC Range 1.8-5.5 1.8-5-5 2.5-5.5 2.5-5.5 4.5-5.5 4.5-5.5 1.8-5.5 2.5-5.5 4.5-5.5 ORG Pin No No No No No No Yes Yes Yes Features: • Low-Power CMOS Technology • ORG Pin to Select Word Size for ‘46C’ Version • 128 x 8-bit Organization ‘A’ Devices (no ORG) • 64 x 16-bit Organization ‘B’ Devices (no ORG) • 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 • Pb-free and RoHS Compliant • Temperature Ranges Supported: – Industrial (I) -40°C to +85°C – Automotive (E) -40°C to +125°C Word Size Temp Ranges Packages
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
