AMS73CAG01808RA
-H7 (DDR3-1066)
-I9 (DDR3-1333)
Parameter
Symbol
Min
Max
Min
Max
Unit
Note
15
Power-down entry to exit time
tPD
tCKE(min)
9*tREFI
tCKE(min)
9*tREFI
Exit precharge power-down with
DLL frozen to commands requiring
a locked DLL
2
2
24
10
-
-
24
10
-
-
ns
tXPDLL
nCK
Exit power-down with DLL on to any
valid command; Exit precharge
power-down with DLL frozen to
commands not requiring a locked DLL
7.5
-
6
-
-
ns
tXP
3
1
1
-
-
-
3
1
1
nCK
nCK
nCK
Command pass disable delay
tCPDED
-
-
Timing of ACT command to
Power-down entry
tACTPDEN
20
20
Timing of PRE command to
Power-down entry
tPRPDEN
tRDPDEN
-
-
1
-
-
1
nCK
nCK
nCK
nCK
nCK
nCK
nCK
Timing of RD/RDA command to
Power-down entry
RL+4+1
RL+4+1
Timing of WR command to Power-down
entry (BL8OTF, BL8MRS, BL4OTF)
tWRPDEN
(min)
9
9
WL + 4 + [tWR/tCK(avg)]
WL + 2 + [tWR/tCK(avg)]
Timing of WR command to Power-down
entry (BC4MRS)
tWRPDEN
(min)
Timing of WRA command to Power-down
entry (BL8OTF, BL8MRS, BL4OTF)
WL+4
+WR+1
-
-
WL+4
+WR+1
-
-
-
-
10
tWRAPDEN
tWRAPDEN
tREFPDEN
Timing of WRA command to Power-down
entry (BC4MRS)
WL+2
+WR+1
WL+2
+WR+1
10
Timing of REF command to Power-down
entry
20,21
1
-
1
Timing of MRS command to Power-down
entry
tMOD
(min)
tMOD
(min)
tMRSPDEN
tAON
-
7
8
RTT turn-on
-300
300
8.5
-250
250
8.5
ps
ns
Asynchronous RTT turn-on delay
(Power-down with DLL frozen)
tAONPD
2
2
RTT_Nom and RTT_WR turn-off time
from ODTLoff reference
tAOF
0.3
2
0.7
8.5
-
0.3
2
0.7
tCK(avg)
ns
Asynchronous RTT turn-off delay
(Power-down with DLL frozen)
tAOFPD
8.5
-
ODT high time without write command
or with write command and BC4
ODTH4
4
4
nCK
ODT high time with Write command
and BL8
ODTH8
-
6
-
6
nCK
RTT dynamic change skew
tADC
tZQinit
tZQoper
tZQCS
0.3
512
256
64
0.7
0.3
512
256
64
0.7
tCK(avg)
nCK
Power-up and reset calibration time
Normal operation full calibration time
Normal operation short calibration time
-
-
-
-
-
-
-
-
nCK
23
3
nCK
First DQS pulse rising edge after write
leveling mode is programmed
tWLMRD
40
40
nCK
AMS73CAG01808RA Rev. 1.0 December 2010
26
AMS [ Advanced Monolithic Systems Ltd ]
