Datasheet

Asynchronous to Synchronous ODT Mode Transition (Short CKE Pulse)
If the time in the precharge power-down or idle states is very short (short CKE LOW
pulse), the power-down entry and power-down exit transition periods overlap. When
overlap occurs, the response of the DRAM’s R
TT
to a change in the ODT state can be
synchronous or asynchronous from the start of the power-down entry transition period
to the end of the power-down exit transition period, even if the entry period ends later
than the exit period.
If the time in the idle state is very short (short CKE HIGH pulse), the power-down exit
and power-down entry transition periods overlap. When this overlap occurs, the re-
sponse of the DRAM’s R
TT
to a change in the ODT state may be synchronous or asyn-
chronous from the start of power-down exit transition period to the end of the power-
down entry transition period.
8Gb: x4, x8, x16 DDR3L SDRAM
Asynchronous to Synchronous ODT Mode Transition (Power-
Down Exit)
206
Rev.2.0 June 2016
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