STMicroelectronics 64 kB 100 ns NVRAM 28-Pin PCDIP

Description

Real Time Clock with Parallel Interface, TIMEKEEPER® SRAM, STMicroelectronics

Timekeepers, combine SRAM with up to 256 Kbytes of memory, and a byte-wide interface along with a quartz-based very-low-power oscillator with a clock/calendar circuit to provide real-time data. Packages embed the battery and crystal.