DS1312 controller equivalent, nonvolatile controller.
* Converts CMOS SRAM into nonvolatile memory
* Unconditionally write-protects SRAM when VCC is out of tolerance
* Automatically switches to battery backup sup.
VCCI VCCO VBAT
- +5V 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 Drai.
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