Datasheet

Table 23. Timing parameter bin of Maximum Power Saving Mode
Symbol
Parameter
DDR4-2400
DDR4-2666
Unit
Min.
Max.
Min.
Max.
tMPED
Command path disable delay upon MPSM entry
tMOD(min) +
tCPDED(min)
-
TBD
TBD
tCKMPE
Valid clock requirement after MPSM entry
tMOD(min) +
tCPDED(min)
-
TBD
TBD
tCKMPX
Valid clock requirement before MPSM exi
tCKSRX(min)
-
TBD
TBD
tXMP
Exit MPSM to commands not requiring a locked DLL
tXS(min)
-
TBD
TBD
tXMPDLL
Exit MPSM to commands requiring a locked DLL
tXMP(min) +
tXSDLL(min)
-
TBD
TBD
tMPX_S
CS# setup time to CKE
tIS(min) + tIH(min)
-
TBD
TBD
tMPX_HH
CS# High hold time to CKE rising edge
tXP(min)
-
TBD
TBD
tMPX_LH
(1)
CS# Low hold time to CKE rising edge
12
tXMP - 10ns
TBD
TBD
ns
Note:
1. tMPX_LH(max) is defined with respect to actual tXMP in system as opposed to tXMP(min).
AS4C512M8D4
Confidential
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Rev.1.0. Aug.2019