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HY5PS1G431CFP_08 Datasheet, PDF (23/45 Pages) Hynix Semiconductor – 1Gb DDR2 SDRAM
HY5PS1G4(8,16)31C(L)FP
HY5PS1G4(8,16)31CFR
Timing Parameters by Speed Grade (DDR2-400 and DDR2-533)
Parameter
Symbol
DDR2-400
min
max
DDR2-533
min
max
DQ output access time from CK/CK
tAC
-600
+600
-500
+500
DQS output access time from CK/CK
tDQSCK
-500
+500
-450
+450
CK HIGH pulse width
tCH
0.45
0.55
0.45
0.55
CK LOW pulse width
tCL
0.45
0.55
0.45
0.55
CK half period
tHP
min(tCL,
-
min(tCL,
-
tCH)
tCH)
Clock cycle time, CL=x
tCK
5000
8000
3750
8000
DQ and DM input setup time(differential strobe)
tDS(base)
150
-
100
-
DQ and DM input hold time(differential strobe)
tDH(base)
275
-
225
-
DQ and DM input setup time(single ended strobe) tDS(base)
DQ and DM input hold time(single ended strobe) tDH(base)
Control & Address input pulse width for each
input
tIPW
DQ and DM input pulse width for each input
tDIPW
Data-out high-impedance time from CK/CK
tHZ
DQS low-impedance time from CK/CK
tLZ
(DQS)
DQ low-impedance time from CK/CK
tLZ
(DQ)
DQS-DQ skew for DQS and associated DQ
signals
tDQSQ
DQ hold skew factor
tQHS
DQ/DQS output hold time from DQS
tQH
Write command to first DQS latching transition
tDQSS
DQS input HIGH pulse width
tDQSH
DQS input LOW pulse width
tDQSL
DQS falling edge to CK setup time
tDSS
DQS falling edge hold time from CK
tDSH
Mode register set command cycle time
tMRD
Write preamble
tWPRE
Write postamble
tWPST
Address and control input setup time
tIS
Address and control input hold time
tIH
Read preamble
tRPRE
Read postamble
tRPST
Active to active command period for 1KB
page size products (x4, x8)
tRRD
Active to active command period for 2KB
page size products (x16)
tRRD
25
25
0.6
0.35
-
tAC min
2*tAC min
-
-
tHP - tQHS
WL - 0.25
0.35
0.35
0.2
0.2
2
0.35
0.4
350
475
0.9
0.4
7.5
10
-
-
-
-
tAC max
tAC max
tAC max
350
450
-
WL + 0.25
-
-
-
-
-
-
0.6
-
-
1.1
0.6
-
-
-25
-25
0.6
0.35
-
tAC min
2*tAC min
-
-
tHP - tQHS
WL - 0.25
0.35
0.35
0.2
0.2
2
0.35
0.4
250
375
0.9
0.4
7.5
10
-
-
-
-
tAC max
tAC max
tAC max
300
400
-
WL + 0.25
-
-
-
-
-
-
0.6
-
-
1.1
0.6
-
-
Unit
ps
ps
tCK
tCK
ps
ps
ps
ps
ps
ps
tCK
tCK
ps
ps
ps
ps
ps
ps
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
ps
ps
tCK
tCK
ns
ns
Note
11,12
15
6,7,8,20
,28
6,7,8,21
,28
6,7,8,25
6,7,8,26
18
18
18
13
12
10
5,7,9,23
5,7,9,23
19
19
4
4
Rev. 0.7 / Nov. 2008
23