DATA SHEET 512MB Unbuffered SDRAM S.
O.
DIMM HB52RF649DC-B (64M words × 72 bits, 2 bank) HB52RD649DC-B (64M words × 72 bits, 2 bank) Description The HB52RF649DC, HB52RD649DC are a 64M × 72 × 2 banks Synchronous Dynamic RAM Small Outline Dual In-line Memory Module (S.
O.
DIMM), mounted 18 pieces of 256M bits SDRAM sealed in TCP package and 1 piece of serial EEPROM (2k bits) for Presence Detect (PD).
An outline of the products is 144-pin Zig Zag Dual tabs socket type compact and thin package.
Therefore, they make high density mounting possible without surface mount technology.
They provide common data inputs and outputs.
Decoupling capacitors are mounted beside TCP on the module board.
Note: Do n...

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