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    AKR 121

    Abstract: 4564821G5 A7 RFTA
    Text: PRELIMINARY DATA SHEET NEC MOS INTEGRATED CIRCUIT juPD4564421, 4564821 64M-bit Synchronous DRAM 2-bank, LVTTL Description The /iPD4564421,4564821 are high-speed 67,108,864-bit synchronous dynamic random-access memories, organized as 8,388,608x4x2 and 4,194,304x8x2 wordxbitxbank , respectively.


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    PDF uPD4564421 64M-bit /iPD4564421 864-bit 608x4x2 304x8x2 54-pin 004x0 AKR 121 4564821G5 A7 RFTA