SAMSUNG K4S643233F-S(D)E/N/I/P handbook(1)(1)

The K4S643233F is a 67,108,864-bit synchronous dynamic random access memory (SDRAM) produced by Samsung. It is organized as 4 x 524,288 words by 32 bits and supports 3.0V and 3.3V power supplies, LVCMOS compatibility, multiplexed addresses, and four-way operations.