5.0 Or 3.3V TIMEKEEPER® Supervisor

The M48T201V M48T201Y are self-contained devices that include a Real Time Clock (RTC), programmable alarms, a watchdog Timer and a square wave output which provides control of up to 512K x 8 of external low-power static RAM. Access to all RTC functions and the , external RAM is the same as conventional bytewide SRAM The 16 TIMEKEEPER Registers offer year, month, date, day, hour, minute, second, calibration, alarm, century, watchdog, and square wave output data. Externally attached static RAMs are controlled by the M48T201Y/V via the G and E signals. CON CON By STMicroelectronics