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W632GG8KB Datasheet(PDF) 29 Page - Winbond

Part # W632GG8KB
Description  32M X 8 BANKS X 8 BIT DDR3 SDRAM
PDF  159 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W632GG8KB Datasheet(HTML) 29 Page - Winbond

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W632GG8KB
Publication Release Date: Jul. 28, 2014
Revision: A04
- 29 -
TIME BREAK
DON'T CARE
T0
T1
T2
Ta0
Tb0
Tc1
Td0
Td1
Te0
Te1
CK#
CK
CKE
Command
NOP
NOP
NOP
MRS
NOP
VALID
ODT
NOP
NOP
Tc0
DLL Reset
VALID
Address
DQS, DQS#
DQ
DM
tCH
tCL
tCK
tIH
tIS
tCKSRE
tCKE
tCPDED
tIH
tIS
tCK
b
tCH
b
tCL
b
tCK
b
tCH
b
tCL
b
tCK
b
tCH
b
tCL
b
tXP
tIH
tIS
High-Z
High-Z
tAOFPD / tAOF
tDLLK
Exit PRECHARGE
Power-Down Mode
Frequency
Change
Enter PRECHARGE
Power-Down Mode
Previous clock frequency
New clock frequency
tCKSRX
Notes:
1. Applicable for both SLOW EXIT and FAST EXIT Precharge Power-down.
2. tAOFPD and tAOF must be satisfied and outputs High-Z prior to T1; refer to ODT timing section for exact requirements.
3. If the Rtt_Nom feature was enabled in the mode register prior to entering Precharge power down mode, the ODT signal must
continuously be registered LOW ensuring RTT is in an off state, as shown in Figure 9. If the Rtt_Nom feature was disabled in
the mode register prior to entering Precharge power down mode, RTT will remain in the off state. The ODT signal can be
registered either LOW or HIGH in this case.
Figure 12
– Change Frequency during Precharge Power-down



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