Microchip EERAM, 47L16-I/P- 16kbit

The Microchip 47L16 16-Kbit serial EERAM is a Low-Cost NVSRAM that Eliminates the Need for an External Battery to Retain Data. The device is organized as 2048 x 8 bits and utilizes the I2C serial interface. It provides infinite read and write cycles to the SRAM while the EEPROM cells provide high endurance non-volatile storage of Data. With an external capacitor, SRAM data is automatically transferred to the EEPROM upon power-loss. Data can also be transferred manually by using either the hardware store pin or by software control. Upon power-up, the EEPROM data is automatically recalled to the SRAM.

Automatic Store to EEPROM upon power-down (using optional external capacitor)
Automatic Recall to SRAM Array upon power-up
Hardware Store Pin for manual Store Operations
Software commands for initiating Store and Recall Operations
Store Time 40ms (max)
High-Speed I2C Interface (Up to 1MHz)
Non-Volatile External Event Detect Flag
Data Retention greater than 200 Years
ESD Protection greater than 2,000V
Temperature range between -40°C and +85°C
8-lead Plastic DIP (300 mil body) package

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