IC43R16160 Datasheet, PDF (46/56 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 39 - POWER-DOWN MODE
tCK
tCH tCL
((
))
((
tIS tIH
tIS
))
((
tIS tIH
))
((
))
VALID*
NOP
((
))
tIS tIH
((
VALID
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
tIS
NOP
VALID
VALID
Enter
Power-Down
Mode
Exit
Power-Down
Mode
DON'T CARE
No column accesses are allowed to be in progress at the time Power-Down is entered
* = If this command is a PRECHARGE (or if the device is already in the idle state) then the Power-Down
mode shown is Precharge Power Down. If this command is an ACTIVE (or if at least one row is already
active) then the Power-Down mode shown is Active Power Down.
46
Integrated Circuit Solution Inc.
DDR001-0B 11/10/2004