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EM68932DVKB Fiches technique(PDF) 39 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) 39 Page - Etron Technology, Inc.

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EtronTech
EM68932DVKB
Etron Confidential
39
Rev. 1.0
Aug. 2009
Figure 35. Auto Refresh Cycles Back-to-Back
High-Z
PRE
NOP
ARF
tRP
Don’t Care
Ba A, Row n = Bank A, Row n
NOP
NOP
ARF
NOP
NOP
ACT
Ba A,
Row n
Pre All
Row n
tRFC
tRFC
CK
CK
Command
Address
A10 (AP)
DQ
Figure 36. Self Refresh Entry and Exit
High-Z
PRE
NOP
ARF
tRP
Don’t Care
NOP
NOP
NOP
ARF
NOP
Pre All
tRFC
tXSR
CK
CK
DQ
tRFC
A10 (AP)
Address
Command
CKE
ACT
Ba A,
Row n
Row n
Enter
Self Refresh
Mode
Exit From
Self Refresh
Mode
Any Command
(Auto Refresh
Recommended)



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