HYS72T128001HR Datasheet, PDF (17/40 Pages) Qimonda AG – 240-Pin Registered DDR SDRAM Modules

Internet Data Sheet
Parameter
Symbol
CKE minimum pulse width ( high and low pulse t_CKE
width)
Average clock low pulse width
Auto-Precharge write recovery + precharge time
Minimum time clocks remain ON after CKE
asynchronously drops LOW
t_CL.AVG
t_DAL
t_DELAY
DQ and DM input hold time
t_DH.BASE
DQ and DM input pulse width for each input
t_DIPW
DQS output access time from CK / CK
t_DQSCK
DQS input high pulse width
t_DQSH
DQS input low pulse width
t_DQSL
DQS-DQ skew for DQS & associated DQ signals t_DQSQ
DQS latching rising transition to associated clock t_DQSS
edges
DQ and DM input setup time
DQS falling edge hold time from CK
DQS falling edge to CK setup time
CK half pulse width
t_DS.BASE
t_DSH
t_DSS
t_HP
Data-out high-impedance time from CK / CK
t_HZ
Address and control input hold time
t_IH.BASE
Control & address input pulse width for each input t_IPW
Address and control input setup time
t_IS.BASE
DQ low impedance time from CK/CK
t_LZ.DQ
DQS/DQS low-impedance time from CK / CK
t_LZ.DQS
MRS command to ODT update delay
t_MOD
Mode register set command cycle time
t_MRD
OCD drive mode output delay
t_OIT
DQ/DQS output hold time from DQS
t_QH
DQ hold skew factor
t_QHS
Read preamble
t_RPRE
Read postamble
t_RPST
Internal Read to Precharge command delay
t_RTP
Write preamble
t_WPRE
Write postamble
t_WPST
Write recovery time
t_WR
Internal write to read command delay
t_WTR
Exit power down to read command
t_XARD
Exit active power-down mode to read command t_XARDS
(slow exit, lower power)
HYS72T[128/256]00xHR–[3S/3.7/5]–A
Registered DDR2 SDRAM Modules
DDR2–667
Min.
3
Max.
—
0.48
WR + t_nRP
t_IS + t_{CK .AVG} +
t_IH
175
0.35
–400
0.35
0.35
—
–0.25
0.52
—
—
—
—
+400
—
—
240
+0.25
100
0.2
0.2
Min(t_CH.ABS,
t_CL.ABS)
—
275
0.6
200
2 × t_AC.MIN
t_AC.MIN
0
2
0
t_HP – t_QHS
—
0.9
0.4
7.5
0.35
0.4
15
7.5
2
7 – AL
––
—
—
__
t_AC.MAX
—
—
—
t_AC.MAX
t_AC.MAX
12
—
12
—
340
1.1
0.6
—
—
0.6
—
—
—
—
Unit
Note^{1)2)3)4)5)6)7)}
8)
nCK
12)
t_CK.AVG
nCK
ns
1)1)
13)14)
ps
t_CK.AVG
ps
t_CK.AVG
t_CK.AVG
ps
t_CK.AVG
19)20)15)
9)
16)
17)
ps
t_CK.AVG
t_CK.AVG
ps
18)19)20)
17)
17)
21)
ps
ps
t_CK.AVG
ps
ps
ps
ns
nCK
ns
ps
ps
t_CK.AVG
t_CK.AVG
ns
t_CK.AVG
t_CK.AVG
ns
ns
nCK
nCK
9)22)
25)23)
24)25)
9)22)
9)22)
1)
1)
26)
27)
28)29)
28)30)
31)
31)
31)32)
Rev. 1.4, 2007-02
17
03062006-GD6J-14FP