HY5PS1G431ALFP Datasheet, PDF (21/36 Pages) Hynix Semiconductor – 1Gb DDR2 SDRAM

Timing Parameters by Speed Grade
HY5PS1G431A(L)FP
HY5PS1G831A(L)FP
HY5PS1G1631A(L)FP
Parameter
Symbol
DQ output access time from CK/CK
DQS output access time from CK/CK
CK high-level width
CK low-level width
CK half period
tAC
tDQSCK
tCH
tCL
tHP
Clock cycle time, CL=x
DQ and DM input setup time(differential strobe)
DQ and DM input hold time(differential strobe)
DQ and DM input setup time(single ended strobe)
DQ and DM input hold time(single ended strobe)
Control & Address input pulse width for each input
DQ and DM input pulse width for each input
Data-out high-impedance time from CK/CK
DQS low-impedance time from CK/CK
DQ low-impedance time from CK/CK
DQS-DQ skew for DQS and associated DQ
signals
DQ hold skew factor
DQ/DQS output hold time from DQS
Write command to first DQS latching transition
DQS input high pulse width
DQS input low pulse width
DQS falling edge to CK setup time
DQS falling edge hold time from CK
Mode register set command cycle time
Write postamble
Write preamble
Address and control input setup time
Address and control input hold time
Read preamble
Read postamble
Active to active command period for 1KB
page size products
Active to active command period for 2KB
page size products
tCK
tDS(base)
tDH(base)
tDS
tDH
tIPW
tDIPW
tHZ
tLZ
(DQS)
tLZ
(DQ)
tDQSQ
tQHS
tQH
tDQSS
tDQSH
tDQSL
tDSS
tDSH
tMRD
tWPST
tWPRE
tIS
tIH
tRPRE
tRPST
tRRD
tRRD
DDR2-400
min
max
-600
+600
-500
+500
0.45
0.55
0.45
0.55
min(tCL,
-
tCH)
5000
8000
150
-
275
-
25
-
25
-
0.6
-
0.35
-
-
tAC max
tAC min
tAC max
2*tAC min
tAC max
-
350
-
tHP - tQHS
WL - 0.25
0.35
0.35
0.2
0.2
2
0.4
0.35
350
475
0.9
0.4
450
-
WL + 0.25
-
-
-
-
-
0.6
-
-
-
1.1
0.6
7.5
-
10
-
DDR2-533
min
max
-500
+500
-450
+450
0.45
0.55
0.45
0.55
min(tCL,
-
tCH)
3750
8000
100
-
225
-
-25
-
-25
-
0.6
-
0.35
-
-
tAC max
tAC min
tAC max
Unit Note
ps
ps
tCK
tCK
ps
11,12
ps
15
ps
6,7,8,20
ps
6,7,8,21
ps
6,7,8,20
ps
6,7,8,21
tCK
tCK
ps
18
ps
18
2*tAC min
tAC max
ps
18
-
300
ps
13
-
400
ps
12
tHP - tQHS
-
ps
WL - 0.25
WL + 0.25 tCK
0.35
-
tCK
0.35
-
tCK
0.2
-
tCK
0.2
-
tCK
2
-
tCK
0.4
0.6
tCK
10
0.35
-
tCK
250
-
ps
5,7,9,23
375
-
ps
5,7,9,23
0.9
1.1
tCK
0.4
0.6
tCK
7.5
-
ns
4
10
-
ns
4
Rev. 0.7 / Oct. 2007
21