IC43R16160 Datasheet, PDF (48/56 Pages) Integrated Circuit Solution Inc – 4M x 16 Bit x 4 Banks (256-MBIT) DDR SDRAM

IC43R16160
/CK
CK
CKE
COMMAND
ADDR
DQS
DQ
DM
Figure 41 - SELF REFRESH MODE
tCK
tCH tCL
tIS tIH
tIS
clock must be stable before
exiting Self Refresh mode
((
))
((
))
tIS
((
tIS tIH
))
((
))
NOP
AR
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
NOP
((
))
((
))
((
))
((
))
((
VALID
))
tIS tIH
((
))
VALID
((
))
((
))
((
))
((
))
((
))
((
))
((
))
tRP*
Enter
Self Refresh
Mode
tXSNR/
tXSRD**
Exit
Self Refresh
Mode
DON'T CARE
* = Device must be in the "All banks idle" state prior to entering Self Refresh mode
** = tXSNR is required before any non-READ command can be applied, and tXSRD (200 cycles of CLK)
are required before a READ command can be applied.
48
Integrated Circuit Solution Inc.
DDR001-0B 11/10/2004