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HY5PS121621CFP-C4 数据表(PDF) 23 Page - Hynix Semiconductor

部件名 HY5PS121621CFP-C4
功能描述  512Mb DDR2 SDRAM
Download  38 Pages
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制造商  HYNIX [Hynix Semiconductor]
网页  http://www.skhynix.com/kor/main.do
标志 HYNIX - Hynix Semiconductor

HY5PS121621CFP-C4 数据表(HTML) 23 Page - Hynix Semiconductor

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Rev. 0.8 / Oct. 2007
23
1HY5PS12421C(L)FP
1HY5PS12821C(L)FP
1HY5PS121621C(L)FP
Parameter
Symbol
DDR2-667
DDR2-800
Unit
Note
min
max
min
max
DQ output access time from CK/CK
tAC
-450
+450
-400
+400
ps
DQS output access time from CK/CK
tDQSCK
-400
+400
-350
+350
ps
CK high-level width
tCH
0.45
0.55
0.45
0.55
tCK
CK low-level width
tCL
0.45
0.55
0.45
0.55
tCK
CK half period
tHP
min(tCL,
tCH)
-
min(tCL,
tCH)
-
ps
11,12
Clock cycle time, CL=x
tCK
3000
8000
2500
ps
15
DQ and DM input setup time
tDS(base)
100
-
50
-
ps
6,7,8,2
0
DQ and DM input hold time
tDH
(base)
175
-
125
-
ps
6,7,8,2
1
Control & Address input pulse width for
each input
tIPW
0.6
-
0.6
-
tCK
DQ and DM input pulse width for each
input
tDIPW
0.35
-
0.35
-
tCK
Data-out high-impedance time from CK/
CK
tHZ
-
tAC max
-
tAC max
ps
18
DQS low-impedance time from CK/CK
tLZ(DQS)
tAC min
tAC max
tAC min
tAC max
ps
18
DQ low-impedance time from CK/CK
tLZ(DQ)
2*tAC min
tAC max
2*tAC min
tAC max
ps
18
DQS-DQ skew for DQS and associated
DQ signals
tDQSQ
-
240
-200
ps
13
DQ hold skew factor
tQHS
-
340
-300
ps
12
DQ/DQS output hold time from DQS
tQH
tHP - tQHS
-
tHP - tQHS
-
ps
First DQS latching transition to
associated clock edge
tDQSS
- 0.25
+ 0.25
- 0.25
+ 0.25
tCK
DQS input high pulse width
tDQSH
0.35
-
0.35
-
tCK
DQS input low pulse width
tDQSL
0.35
-
0.35
-
tCK
DQS falling edge to CK setup time
tDSS
0.2
-
0.2
-
tCK
DQS falling edge hold time from CK
tDSH
0.2
-
0.2
-
tCK
Mode register set command cycle time
tMRD
2
-
2
-
tCK
Write postamble
tWPST
0.4
0.6
0.4
0.6
tCK
10
Write preamble
tWPRE
0.35
-
0.35
-
tCK
Address and control input setup time
tIS(base)
200
-
175
-
ps
5,7,9,2
2
Address and control input hold time
tIH(base)
275
-
250
-
ps
5,7,9,2
3
Read preamble
tRPRE
0.9
1.1
0.9
1.1
tCK
19
Read postamble
tRPST
0.4
0.6
0.4
0.6
tCK
19
Activate to precharge command
tRAS
45
70000
45
70000
ns
3
Active to active command period for 1KB
page size products
tRRD
7.5
-7.5
-
ns
4
Active to active command period for 2KB
page size products
tRRD
10
-10
-
ns
4


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