HY5PS1G431CFP_08 Datasheet, PDF (25/45 Pages) Hynix Semiconductor – 1Gb DDR2 SDRAM

HY5PS1G4(8,16)31C(L)FP
HY5PS1G4(8,16)31CFR
Parameter
Symbol
DDR2-667
min
max
DQ output access time from CK/CK
tAC
-450
+450
DQS output access time from CK/CK
tDQSCK
-400
+400
CK HIGH pulse width
tCH(avg)
0.48
0.52
CK LOW pulse width
tCL(avg)
0.48
0.52
CK half period
tHP
min(tCL(abs),
-
tCH(abs))
Clock cycle time, CL=x
tCK(avg)
3000
8000
DQ and DM input setup time
tDS(base)
100
-
DQ and DM input hold time
tDH(base)
175
-
Control & Address input pulse width for each input tIPW
0.6
-
DQ and DM input pulse width for each input
tDIPW
0.35
-
Data-out high-impedance time from CK/CK
tHZ
-
tAC max
DQS low-impedance time from CK/CK
tLZ(DQS)
tAC min
tAC max
DQ low-impedance time from CK/CK
tLZ(DQ)
2*tAC min
tAC max
DQS-DQ skew for DQS and associated DQ signals tDQSQ
-
240
DQ hold skew factor
tQHS
-
340
DQ/DQS output hold time from DQS
tQH
tHP - tQHS
-
First DQS latching transition to associated clock
edge
tDQSS
- 0.25
+ 0.25
DQS input HIGH pulse width
tDQSH
0.35
-
DQS input LOW pulse width
tDQSL
0.35
-
DQS falling edge to CK setup time
tDSS
0.2
-
DQS falling edge hold time from CK
tDSH
0.2
-
Mode register set command cycle time
tMRD
2
-
Write preamble
tWPRE
0.35
-
Write postamble
tWPST
0.4
0.6
Address and control input setup time
tIS(base)
200
-
Address and control input hold time
tIH(base)
275
-
Read preamble
tRPRE
0.9
1.1
Read postamble
tRPST
0.4
0.6
Activate to precharge command
tRAS
45
70000
Active to active command period for 1KB page size _tRRD
7.5
-
products (x4, x8)
Active to active command period for 2KB page size
products (x16)
tRRD
10
-
Four Active Window for 1KB page size products
tFAW
37.5
-
Four Active Window for 2KB page size products
tFAW
50
-
CAS to CAS command delay
tCCD
2
Write recovery time
tWR
15
-
Auto precharge write recovery + precharge time tDAL
WR+tnRP
-
(DDR2-667 and DDR2-800)
DDR2-800
min
max
Unit
Note
-400
+400
ps
40
-350
+350
ps
40
0.48
0.52
tCK(avg)
35,36
0.48
0.52
tCK(avg)
35,36
min(tCL(abs),
-
ps
37
tCH(abs))
2500
8000
ps
35,36
50
-
ps 6,7,8,20,28,31
125
-
ps 6,7,8,21,28,31
0.6
-
tCK(avg)
0.35
-
tCK(avg)
-
tAC max
ps
18,40
tAC min
tAC max
ps
18,40
2*tAC min
tAC max
ps
18,40
-
200
ps
13
-
300
ps
38
tHP - tQHS
-
ps
39
- 0.25
+ 0.25 tCK(avg)
30
0.35
0.35
0.2
0.2
2
0.35
0.4
175
250
0.9
0.4
45
-
-
-
-
-
-
0.6
-
-
1.1
0.6
70000
tCK(avg)
tCK(avg)
tCK(avg)
tCK(avg)
tCK(avg)
tCK(avg)
tCK(avg)
ps
ps
tCK(avg)
tCK(avg)
ns
30
30
10
5,7,9,22,29
5,7,9,23,29
19,41
19,42
3
7.5
-
ns
4,32
10
-
35
-
45
-
2
15
-
WR+tnRP
-
ns
4,32
ns
32
ns
32
nCK
ns
32
nCK
33
Rev. 0.7 / Nov. 2008
25