HMP451S6MMP8C Hynix Semiconductor, HMP451S6MMP8C Datasheet - Page 14

• Manufacturer Part Number: HMP451S6MMP8C
• Description: 200pin Unbuffered Ddr2 Sdram So-dimms Based On 2gb Version
• Manufacturer: Hynix Semiconductor

Rev. 0.1 / May. 2008
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)
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
First DQS latching transition to associated
clock edge
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
Address and control input setup time
Address and control input hold time
Read preamble
Read postamble
Activate to precharge command
Row Active to Row Active Delay for 1KB
page size
Row Active to Row Active Delay for 2KB
page size
Four Active Window for 1KB page size
products
Parameter
tLZ(DQS)
tDQSCK
Symbol
tLZ(DQ)
tWPRE
tDQSQ
tDQSH
tWPST
tDQSS
tDQSL
tRPRE
tDIPW
tRPST
tMRD
tQHS
tDSH
tRRD
tRRD
tFAW
tDSS
tRAS
tIPW
tCH
tDH
tQH
tAC
tCL
tHP
tCK
tDS
tHZ
tIH
tIS
1200pin Unbuffered DDR2 SDRAM SO-DIMMs
tHP - tQHS
2*tAC min
min(tCL,
tAC min
3000
-0.25
tCH)
-450
-400
0.45
0.45
0.35
0.35
0.35
37.5
min
100
175
0.35
200
275
0.6
0.2
0.2
0.4
0.9
0.4
7.5
45
10
2
-
-
-
DDR2-667
tAC max
tAC max
tAC max
70000
+0.25
+450
+400
max
0.55
0.55
8000
240
340
0.6
1.1
0.6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
tHP - tQHS
2*tAC min
min(tCL,
tAC min
2500
-0.25
-400
-350
tCH)
0.35
0.48
0.48
0.35
0.35
0.35
min
125
175
250
0.6
0.2
0.2
0.4
0.9
0.4
7.5
50
45
10
35
2
-
-
DDR2-800
tAC max
tAC max
tAC max
70000
+0.25
+400
+350
8000
max
0.52
0.52
240
300
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
ns
ns
ns
ns
Note
1
1
14