BUY DS1213D https://www.utsource.net/itm/p/620411.html
SmartSocket 256k/1M
The DS1213D is a 32-pin DIP (dual in-line package) nonvolatile memory manufactured by Dallas Semiconductor. It is a 256-byte battery-backed CMOS RAM that can be used to store and retrieve data even when power is removed. The DS1213D is a low-power device that can be used in a variety of applications, including data logging, system configuration, and control. It features a low-power CMOS design, a wide operating temperature range, and a built-in lithium battery for data retention. The device also features a write-protect pin that can be used to prevent accidental data overwrites. The DS1213D can be used in a variety of applications, including data logging, system configuration, and control. It can be used in industrial, automotive, and consumer applications, as well as in embedded systems. It is also suitable for use in medical and military applications. (For reference only)