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EM68932DVKB Fiches technique(PDF) 29 Page - Etron Technology, Inc.

No de pièce EM68932DVKB
Description  4M x 32 Mobile DDR Synchronous DRAM (SDRAM)
PDF  40 Pages
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Fabricant  ETRON [Etron Technology, Inc.]
Site Internet  http://www.etron.com
Logo ETRON - Etron Technology, Inc.

EM68932DVKB Fiches technique(HTML) 29 Page - Etron Technology, Inc.

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EtronTech
EM68932DVKB
Etron Confidential
29
Rev. 1.0
Aug. 2009
Figure 20. Read to precharge
CL = 2
Don’t Care
READ
NOP
PRE
NOP
NOP
ACT
BA, Col n
Bank
(a or all)
BA, Row
CL = 3
Command
Address
DQS
DQ
DQS
DQ
CK
CK
(1) DO n = Data Out from column n
(2) Cases shown are either uninterrupted burst of 4, or interrupted bursts of 8.
(3) Shown with nominal tAC, tDQSCK and tDQSQ.
(4) Precharge may be applied at (BL/2) tCK after the READ command.
(5) Note that Precharge may not be issued before tRAS ns after the ACTIVE command for applicable banks.
(6) The ACTIVE command may be applied if tRC has been met.
DO n
DO n
tRP
Figure 21. Burst Terminate Command
(High)
Don’t Care
A0-A11
BA0,BA1
CK
CK
CKE
CS
RAS
CAS
WE



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