m o c . 64Mb Synchronous DRAM based on 1M x 4Bank .
Hynix Semiconductor
HY57V641620ET - 4-Bank x 1M x 16-Bits SDRAM
m o c . 64Mb Synchronous DRAM based on 1M x 4Bank x16 I/O U 4 t e e Document Title h S a Revision at History .D w w w 4Bank x 1M x 16bits Synchronous .