BUY DS1216E https://www.utsource.net/itm/p/620521.html
Smart Watch ROM
Description: The DS1216E is a nonvolatile memory module from Dallas Semiconductor. It is a 16-pin DIP package that provides a 16K x 8 nonvolatile RAM with an onboard lithium battery. Features: 16K x 8 nonvolatile RAM Onboard lithium battery Low power consumption Fast access time Low cost Easy to use Applications: The DS1216E is commonly used in applications where data needs to be stored and retrieved quickly and reliably. It is often used in industrial and medical equipment, as well as in consumer electronics. It can also be used for data logging, system configuration, and other applications where nonvolatile memory is required. (For reference only)