HY57V641620ET sdram equivalent, 4-bank x 1m x 16-bits sdram.
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* Voltage: VDD, VDDQ 3.3V supply voltage All device pins are compatible with LVTTL interface 54 Pin TSOPII (Lead or Lead Free Package) A.
which require wide data I/O and high bandwidth. HY57V641620E(L/S)T(P) is organized as 4banks of 1,048,576x16. HY57V64162.
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