GLT5160L16I-8TC Ver la hoja de datos (PDF) - G-Link Technology

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GLT5160L16I-8TC

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

G-Link Technology  

CLK Suspend

CKE controls the internal CLK at the following cycle. Figure 19

and Figure 20 show how CKE works. By negating CKE, the next

internal CLK is suspended. The purpose of CLK suspend is power

down, output suspend or input suspend. CKE is a synchronous input

except during the self-refresh mode. CLK suspend can be per-

formed either when the banks are active or idle, but a command at

the following cycle is ignored.

ext. CLK

CKE

int. CLK

CLK

CKE

Command

CKE

Command

PRE

ACT

NOP

NOP

NOP

NOP

Standby Power Down

NOP NOP NOP

Active Power Down

NOP NOP NOP

NOP

NOP

NOP

NOP

Figure 19. Power Down by CKE

CLK

CKE

Command

DQ

WRITE

D0

D1

REA

D2

D3

Q0

Q1

Q2

Q3

Figure 20. DQ Suspend by CKE

G-LINK Technology

19

DEC. 2003 (Rev.2.4)

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