BUY DS1213B https://www.utsource.net/itm/p/670339.html
Smartsocket 16K/64K
Description: The DS1213B is a nonvolatile memory module from Dallas Semiconductor. It is a 28-pin DIP package and is a part of the Dallas Real-Time Clock (RTC) family. Features: Low-power CMOS technology Nonvolatile memory module Battery-backed RAM Real-time clock with calendar Programmable alarms Programmable clock output Programmable watchdog timer Single +5V supply 28-pin DIP package Applications: The DS1213B is used in a variety of applications, including real-time clocks, embedded systems, and industrial control systems. It is also used in consumer electronics, such as digital cameras, PDAs, and MP3 players. (For reference only)