DS1314 - 3V Nonvolatile Controller
VCCI VCCO VBAT - Power Supply Input - SRAM Power Supply Output - Backup Battery Input CEI - Chip Enable Input CEO TOL BW - Chip Enable Output - VCC Tolerance Select - Battery Warning Output (Open Drain) RST GND NC - Reset Output (Open Drain) - Ground - No Connection DESCRIPTION The DS1314 No
DS1314 Features
* Converts CMOS SRAM into nonvolatile memory
* Unconditionally write-protects SRAM when VCC is out of tolerance
* Automatically switches to battery backup supply when VCC power failure occurs
* Monitors voltage of a lithium cell and provides advanced warning of impending battery fail
