Details

---

BUY DS1643-100 https://www.utsource.net/itm/p/210219.html
Nonvolatile Timekeeping RAM
The DS1643-100 is a nonvolatile, 32K x 8 CMOS static RAM (SRAM) with a built-in lithium energy source and control circuitry. It is designed to maintain data without power for an extended period of time. Features: 32K x 8 nonvolatile static RAM Low power CMOS technology Built-in lithium energy source and control circuitry Data retention for 10 years Low power operation Single +5V power supply Access times of 120ns DIP28 package Applications: Automotive systems Industrial systems Medical systems Security systems Data logging systems Battery-backed RAM (For reference only)