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GLT5160L16I-10FJ

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

G-Link Technology  

OPERATIONAL DESCRIPTION

Bank Activate

The SDRAM has two independent banks. Each bank is activated by

the ACT command with the bank address (BA). A row is indicated

by the row address A[10:0] The minimum activation interval

between one bank and the other bank is tRRD.

Precharge

The PRE command deactivates the bank indicated by BA. When

both banks are active, the precharge all command (PREA, PRE +

A[10] = H) is available to deactivate them at the same time. After

tRP from the precharge, an ACT command can be issued.

CLK

Command

A[9:0]

A[10]

BA

DQ

ACT

Xa

Xa

0

tRRD

ACT

Xb

Xb

1

REA

Ya

0

0

tRAS

PRE

tRP

1

Qa0

Qa1

Qa2

Qa3

Precharge All

ACT

Xb

Xb

1

Figure 3. Bank Activation and Precharge All (BL=4, CL=3)

10

G-LINK Technology

DEC. 2003 (Rev. 2.4)

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