HYMP532S646-E3 Datasheet, PDF (17/23 Pages) Hynix Semiconductor – 200pin Unbuffered DDR2 SDRAM SO-DIMMs based on 512 Mb 1st ver.

1200pin Unbuffered DDR2 SDRAM SO-DIMMs
Electrical Characteristics & AC Timings
Speed Bins and CL,tRCD,tRP,tRC and tRAS for Corresponding Bin
Speed
Bin(CL-tRCD-tRP)
Parameter
CAS Latency
tRCD
tRP
tRC
tRAS
DDR2-533 (C4)
4-4-4
min
4
15
15
60
45
DDR2-400 (E3)
3-3-3
min
3
15
15
55
40
Unit
ns
ns
ns
ns
ns
AC Timing Parameters by Speed Grade
Parameter
Symbol
DDR2-400
Min
Max
Data-Out edge to Clock edge Skew
tAC
-600
600
DQS-Out edge to Clock edge Skew
tDQSCK
-500
500
Clock High Level Width
tCH
0.45
0.55
Clock Low Level Width
tCL
0.45
0.55
Clock Half Period
tHP
min
(tCL,tCH)
-
System Clock Cycle Time
tCK
5000
8000
DQ and DM input setup time
tDS
275
-
DQ and DM input hold time
tDH
150
-
DQ and DM input setup time(single-ended strobe)
tDS1
DQ and DM input hold time(single-ended strobe)
tDH1
Control & Address input Pulse Width for each input tIPW
0.6
-
DQ and DM input pulse witdth for each input pulse
width for each input
tDIPW
0.35
-
Data-out high-impedance window from CK, /CK
tHZ
-
tAC max
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
First DQS latching transition to associated clock edge 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 postamble
tWPST
Write preamble
tWPRE
tAC min
2*tAC min
-
-
tHP - tQHS
-0.25
0.35
0.35
0.2
0.2
2
0.4
0.35
tAC max
tAC max
350
450
-
+0.25
-
-
-
-
-
0.6
-
DDR2-533
Min
Max
-500
500
-450
450
0.45
0.55
0.45
0.55
min
(tCL,tCH)
-
3750
8000
225
-
100
-
Unit Note
ps
ns
CK
CK
ns
ps
ps 1
ps 1
0.6
-
tCK
0.35
-
tCK
-
tAC max ps
tAC min tAC max ps
2*tAC min tAC max ps
-
300
ps
-
400
ps
tHP - tQHS
-
ps
-0.25
+0.25 tCK
0.35
-
tCK
0.35
-
tCK
0.2
-
tCK
0.2
-
tCK
2
-
tCK
0.4
0.6
tCK
0.35
-
tCK
Rev. 1.0 / Feb. 2005
17