64Mb Synchronous DRAM based on 1M x 4Bank x16 I/O .
Hynix
HY57V641620FTP - Synchronous DRAM Memory 64Mbit
64Mb Synchronous DRAM based on 1M x 4Bank x16 I/O Document Title 4Bank x 1M x 16bits Synchronous DRAM Revision History Revision No. 0.1 History Initi.