hy5ps1g831alfp Hynix Semiconductor, hy5ps1g831alfp Datasheet - Page 21

• Manufacturer Part Number: hy5ps1g831alfp
• Description: 1gb Ddr2 Sdram
• Manufacturer: Hynix Semiconductor

Rev. 0.7 / Oct. 2007
Timing Parameters by Speed Grade
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
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
Parameter
tAC
tDQSCK
tCH
tCL
tHP
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
Symbol
tHP - tQHS
WL - 0.25
2*tAC min
min(tCL,
tAC min
min
5000
-600
-500
0.45
0.45
tCH)
0.35
0.35
0.35
150
275
0.35
350
475
7.5
0.6
0.2
0.2
0.4
0.9
0.4
10
25
25
2
-
-
-
DDR2-400
WL + 0.25
tAC max
tAC max
tAC max
max
+600
+500
0.55
0.55
8000
350
450
0.6
1.1
0.6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
tHP - tQHS
2*tAC min
WL - 0.25
min(tCL,
tAC min
3750
min
tCH)
0.45
0.45
0.35
0.35
-500
-450
100
225
0.35
0.35
250
375
7.5
-25
-25
0.6
0.2
0.2
0.4
0.9
0.4
10
2
-
-
-
DDR2-533
HY5PS1G1631A(L)FP
HY5PS1G431A(L)FP
HY5PS1G831A(L)FP
WL + 0.25
tAC max
tAC max
tAC max
max
+500
+450
8000
0.55
0.55
300
400
0.6
1.1
0.6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Unit
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ns
ns
6,7,8,20
6,7,8,21
6,7,8,20
6,7,8,21
5,7,9,23
5,7,9,23
Note
11,12
21
15
18
18
18
13
12
10
4
4