EDD1216AATA-5 datasheet(38/48 Pages) ELPIDA

Part #	EDD1216AATA-5

Description	128M bits DDR SDRAM (8M words x 16 bits, DDR400)

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Manufacturer	ELPIDA [Elpida Memory]

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38 / 48 page

EDD1216AATA-5

Data Sheet E0443E40 (Ver. 4.0)

38

DM Control

DM can mask input data. In

×16 products, UDM and LDM can mask the upper and lower byte of input data,

respectively. By setting DM to Low, data can be written. When DM is set to High, the corresponding data is not

written, and the previous data is held. The latency between DM input and enabling/disabling mask function is 0.

Mask

DQS

DQ

DM

t1

t2

t3

t4

t5

t6

Write mask latency = 0

DM Control

Similar Part No. - EDD1216AATA-5

Manufacturer	Part #	Datasheet	Description
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	EDS1216AGTA	685Kb / 49P	128M bits SDRAM (8M words 횞 16 bits)
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