samsung K4S561633C-R(B)L/N/P 16Mx16 SDRAM 54CSP Manual

The K4S561633C-R(B)L/N/P is a synchronous dynamic random access memory (SDRAM) manufactured by Samsung. It has a storage capacity of 4M×16 bits×4 banks, a working voltage of 3.0V or 3.3V, and a working temperature range of -25°C to 85°C. The device has four bank operations, MRS cycle, CAS latency, burst length, burst type, self-refresh, and a 64ms refresh period.