HYB18T512160AF INFINEON [Infineon Technologies AG], HYB18T512160AF Datasheet - Page 72
HYB18T512160AF
Manufacturer Part Number
HYB18T512160AF
Description
512-Mbit DDR2 SDRAM
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.HYB18T512160AF.pdf
(117 pages)
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Figure 58
WL = 2, WR = 3, BL = 4
Note: Active Power-Down mode exit timing
Figure 59
Note: "Precharge" may be an external command or an internal precharge following Write with AP.
Data Sheet
D Q S ,
D Q S
C K , C K
C K E
C M D
D Q
CK, CK
CKE
CMD
state in the MR, address bit A12. WR is the programmed value in the MRS mode register.
T0
W R IT E
w /A P
Precharge
WL = RL - 1 = 2
T0
Active Power-Down Mode Entry and Exit Example after a Write Command with AP
Precharge Power Down Mode Entry and Exit
T1
N O P
Power-Down
Precharge
tIS
Entry
T1
NOP
tRP
DIN A0 DIN A1 DIN A2 DIN A3
T2
N O P
T2
NOP
T3
N O P
WL + BL/2 + WR
T4
t
N O P
T3
XARD
NOP
(“fast exit”) or
T5
N O P
WR
72
NOP
T6
N O P
Power-Down
Precharge
t
XARDS
tIS
HYB18T512[40/80/16]0AF–[3/3S/3.7/5]
Power-Down
Tn
Exit
NOP
Active
Entry
tIS
T7
(“slow exit”) depends on the programmed
N O P
Tn+1
tXP
NOP
N O P
Power-Down
512-Mbit DDR2 SDRAM
Active
Exit
Tn+2
Tn
Command
N O P
Valid
tIS
Functional Description
09112003-SDM9-IQ3P
Tn+1
tXARD or
tXARDS *)
Rev. 1.3, 2005-01
N O P
NOP
Act.PD 3
Tn+2
C o m m a nd
V a lid
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