The Microchip Technology Inc. 93XX46A/B/C devicesare 1Kbit low-voltage serial Electrically ErasablePROMs (EEPROM). Word-selectable devices such asthe 93AA46C, 93LC46C or 93C46C are dependentupon external logic levels driving the ORG pin to setword size. For dedicated 8-bit communication, the93AA46A, 93LC46A or 93C46A devices are available,while the 93AA46B, 93LC46B and 93C46B devicesprovide dedicated 16-bit communication. AdvancedCMOS technology makes these devices ideal for lowpower,nonvolatile memory applications. The entire93XX Series is available in standard packages including8-lead PDIP and SOIC, and advanced packagingincluding 8-lead MSOP, 6-lead SOT-23, 8-lead2x3 DFN and 8-lead TSSOP. All packages are Pb-free(Matte Tin) finish.

   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 (includingAuto-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