BUY DS1220-200Y https://www.utsource.net/itm/p/214007.html
NVRAM Battery Based
Description: The DS1220-200Y is a non-volatile, static RAM (NVRAM) memory device manufactured by Dallas Semiconductor. It is a dual-port, 16K x 8-bit device, organized as two 8K x 8-bit banks. Features: 16K x 8-bit dual-port static RAM Low power CMOS technology Fast access time: 200 ns Low power consumption: Active: 200 mW (max) Standby: 0.1 mW (max) Single 5V ±10% power supply TTL compatible inputs and outputs Fully static operation Data retention for over 10 years Industrial temperature range: -40°C to +85°C Applications: Automotive Industrial control Medical Security systems Telecommunications Test and measurement equipment (For reference only)