BUY DS1705 https://www.utsource.net/itm/p/169885.html
5.0 Volt MicroMonitor5.0 V（++）
Description: The DS1705 is a nonvolatile memory with a serial interface. It is a 1-Wire device that provides 512 bits of read/write nonvolatile memory. Features: 512 bits of read/write nonvolatile memory Low-power CMOS technology 1-Wire interface Overdrive mode Low-power standby mode On-chip CRC generator Operating voltage range of 2.8V to 6.0V Operating temperature range of -40°C to +85°C Applications: Automotive Industrial Home Automation Security Medical (For reference only)