HMP351U6MMP8C Hynix Semiconductor, HMP351U6MMP8C Datasheet - Page 15

• Manufacturer Part Number: HMP351U6MMP8C
• Description: 240pin Ddr2 Sdram Unbuffered Dimms Based On 2gb M Version
• Manufacturer: Hynix Semiconductor

Rev. 0.1 / May 2008
Electrical Characteristics & AC Timings
Speed Bins and CL,tRCD,tRP,tRC and tRAS for Corresponding Bin
AC Timing Parameters by Speed Grade
Data-Out edge to Clock edge Skew
DQS-Out edge to Clock edge Skew
Clock High Level Width
Clock Low Level Width
Clock Half Period
System Clock Cycle Time
DQ and DM input setup time
DQ and DM input hold time
Control & Address input Pulse Width for each input
DQ and DM input pulse witdth for each input pulse width
for each input
Data-out high-impedance window 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 preamble
Write postamble
Bin(CL-tRCD-tRP)
CAS Latency
Parameter
Speed
tRCD
tRAS
tRP
tRC
Parameter
DDR2-800(S5)
5-5-5
12.5
12.5
57.5
min
45
5
DDR2-667(Y5)
Symbol
tLZ(DQS)
tDQSCK
tLZ(DQ)
tWPRE
tDQSQ
tDQSS
tDQSH
tWPST
tDQSL
tDIPW
tMRD
tQHS
tDSH
tDSS
tIPW
tQH
tAC
tCH
tHP
tCK
tDS
tDH
tHZ
tCL
5-5-5
min
15
15
60
45
1240pin DDR2 SDRAM Unbuffered DIMMs
5
tHP - tQHS
WL - 0.25
(tCL,tCH)
2*tAC min
tAC min
Min
5000
-600
-500
0.45
0.45
0.35
0.35
0.35
min
150
275
0.35
0.6
0.2
0.2
0.4
2
-
-
-
DDR2-400
DDR2-533 (C4)
WL + 0.25
tAC max
tAC max
tAC max
Max
8000
0.55
0.55
600
500
350
450
0.6
4-4-4
-
-
-
-
-
-
-
-
-
-
-
-
min
15
15
60
45
4
tHP - tQHS
2*tAC min
WL - 0.25
(tCL,tCH)
tAC min
Min
3750
-500
-500
0.45
0.45
0.35
0.35
0.35
min
100
225
0.6
0.2
0.2
0.35
0.4
2
-
-
-
DDR2-533
DDR2-400 (E3)
WL + 0.25
3-3-3
tAC max
tAC max
tAC max
min
15
15
55
40
Max
8000
3
0.55
0.55
500
450
300
400
0.6
-
-
-
-
-
-
-
-
-
-
-
-
Unit Note
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
CK
CK
ps
ns
ns
ps
ps
ps
ps
ps
ps
ps
ps
ps
Unit
ns
ns
ns
ns
ns
1
1
15