HY5PS1G821M Datasheet, PDF (23/79 Pages) Hynix Semiconductor – 1Gb DDR2 SDRAM(DDP)

ODT timing mode switch at entering power down mode
1HY5PS12421(L)M
HY5PS12821(L)M
T-5 T-4 T-3 T-2 T-1 T0
CK
CK
tANPD
tIS
CKE
Entering Slow Exit Active Power Down Mode
or Precharge Power Down Mode.
tIS
ODT
Internal
Term Res.
tAOFD
RTT
tIS
ODT
Internal
Term Res.
tAOFPDmax
RTT
T1
T2
T3 T4
Active & Standby
mode timings to
be applied.
Power Down
mode timings to
be applied.
ODT
Internal
Term Res.
ODT
Internal
Term Res.
tIS
tAOND
tIS
Active & Standby
mode timings to
RTT
be applied.
tAONPDmax
Power Down
mode timings to
be applied.
RTT
Rev. 0.2 / Oct. 2005
23