M48T35 and M48T35Y are products that integrate ultra-low-power SRAM, real-time clock, power-fail control circuit, and battery. They have BYTEWIDE RAM-like clock access, BCD-coded year, month, day, date, hours, minutes, and seconds, frequency test output for the real-time clock, automatic power-fail chip deselect, and WRITE protection.
The M48T35/Y TIMEKEEPER® RAM is a non-volatile static RAM and real-time clock device available in two special packages: the CAPHAT™ DIP package (silicon, quartz crystal, and lithium button cell) and the SOIC package with separate SNAPHAT® housing for battery and crystal. It provides a highly integrated solution for timekeeping applications.
The device operates with a supply voltage between 4.75 V and 5.5 V.
The device operates with a supply voltage between 4.5 V and 5.5 V.
The device has a capacity of 256 Kbit, organized as 32 Kb x 8.