DS1386 timekeeper equivalent, ramified watchdog timekeeper.
§ § § § § § § § 8 or 32 kbytes of user NV RAM Integrated NV SRAM, real time clock, crystal, power-fail control circuit and lithium energy source Totally nonvolatile with .
INTA INTB (INTB) A0-A14 DQ0-DQ7 CE OE WE
VCC GND SQW NC X1, X2 VBAT
- Interrupt Output A (open drain) - Interrupt Output B (open drain) - Address Inputs - Data Input/Output - Chip Enable - Output Enable - Write Enable - +5V - Ground - Square Wave O.
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