AS4C16M16SA-6BIN, SDRAM 256Mbit Surface Mount, 166MHz, 3 V to 3.6 V, 54-Pin TFBGA

The Alliance Memory 256Mb SDRAM is a high-speed CMOS synchronous DRAM containing 256 Mbits. It is internally configured as 4 Banks of 4M word x 16 DRAM with a synchronous interface (all signals are registered on the positive edge of the clock signal, CLK).