W632GU6KB Datasheet, PDF (91/160 Pages) Winbond – 16M X 8 BANKS X 16 BIT DDR3L SDRAM

W632GU6KB
CK#
CK
CKE
Command
Last sync, ODT
RTT
Sync or async, ODT
RTT
First async, ODT
RTT
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
Ta0
Ta1
Ta2
Ta3
NOP
REF
NOP
NOP
NOP
NOP
NOP
NOP
NOP
tANPD
tCPDEDmin
PD entry transition period
tRFC(min)
RTT
ODTLoff
tAOFmin
tAOFmax
RTT
tAOFPDmax
ODTLoff + tAOFPDmin
tAOFPDmin
ODTLoff + tAOFPDmax
RTT
TIME BREAK
tAOFPDmin
tAOFPDmax
TRANSITIONING
DON'T CARE
Figure 84 – Synchronous to asynchronous transition after Refresh command (AL = 0; CWL = 5; tANPD = WL - 1 = 4)
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Publication Release Date: Jan. 20, 2015
Revision: A06