GLT5160L16 데이터 시트보기 (PDF) - G-Link Technology

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GLT5160L16

16M (2-Bank x 524288-Word x 16-Bit) Synchronous DRAM

G-Link Technology  

DQMU / DQML Control

DQMU / DQML is a dual function signal defined as the data mask

for writes and the output disable for reads. During writes, DQMU /

DQML masks upper / lower input data word by word. DQMU /

DQML to write mask latency is 0. During reads, DQMU / DQML

forces upper / lower output to Hi-Z word by word. DQMU / DQML

to output Hi-Z latency is 2.

CLK

Command

DQML

DQ[7:0]

DQMU

DQ[15:8]

WRITE

REA

D0

Masked by DQML =

D2

D3

Q0

Q1

Q3

Disabled by DQML =

D0

D1

D3

Masked by DQMU =

Q0

Disabled by DQMU

Figure 21. DQMU / DQML Function

Q2

Q3

20

G-LINK Technology

DEC. 2003 (Rev. 2.4)

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