參數(shù)資料
型號(hào): V59C1G01408QAJ37E
廠商: PROMOS TECHNOLOGIES INC
元件分類: DRAM
英文描述: 256M X 4 DDR DRAM, 0.5 ns, PBGA68
封裝: ROHS COMPLIANT, FBGA-68
文件頁數(shù): 72/79頁
文件大?。?/td> 1029K
代理商: V59C1G01408QAJ37E
74
V59C1G01(408/808/168)QA Rev. 1.2 April 2008
ProMOS TECHNOLOGIES
V59C1G01(408/808/168)QA
Data-In Setup Time to DQS-In (DQ & DM)
Differential
tDS
100
-
50
-
50
-
0
-
ps
16,17,18
Data-in Hold Time to DQS-In (DQ & DM)
Differential
tDH
175
-
125
-
125
-
75
-
ps
16,17,18
DQS falling edge to CLK rising Setup Time
tDSS
0.2
-
0.2
-
0.2
-
0.2
-
CLK
DQS falling edge from CLK rising Hold Time
tDSH
0.2
-
0.2
-
0.2
-
0.2
-
CLK
DQ & DM Input Pulse Width
tDIPW
0.35
-
0.35
-
0.35
-
0.35
-
CLK
Read DQS Preamble Time
tRPRE
0.9
1.1
0.9
1.1
0.9
1.1
0.9
1.1
CLK
Read DQS Postamble Time
tRPST
0.4
0.6
0.4
0.6
0.4
0.6
0.4
0.6
CLK
Write DQS Preamble Setup Time
tWPRES
0
-
0
-
0
-
0
-
CLK
Write DQS Preamble Hold Time
tWPREH
0.25
-
0.25
-
0.25
-
0.25
-
CLK
Write DQS Preamble Time
tWPRE
0.35
-
0.35
-
0.35
-
0.35
-
CLK
10
Write DQS Postamble Time
tWPST
0.4
0.6
0.4
0.6
0.4
0.6
0.4
0.6
CLK
10
Internal read to precharge command delay
tRTP
7.5
-
7.5
-
7.5
-
7.5
-
ns
Internal write to read command delay
tWTR
7.5
-
7.5
-
7.5
-
7.5
-
ns
13
Data out high impedance time from CLK/CLK
tHZ
-
tAC(max)
-
tAC(max)
-
tAC(max)
-
tAC(max)
ns
7
DQS/DQS low impedance time from CLK/
CLK
tLZ(DQS)
tAC(min)
tAC(max)
tAC(min)
tAC(max)
tAC(min)
tAC(max)
tAC(min)
tAC(max)
ns
7
DQ low impedance time from CLK/CLK
tLZ(DQ) 2xtAC(min) tAC(max) 2xtAC(min) tAC(max) 2xtAC(min) tAC(max) 2xtAC(min) tAC(max)
ns
7
Mode Register Set Delay
tMRD
2
-
2
-
2-
CLK
9
MRS command to ODT update delay
tMOD
0
120
12012012
ns
OCD drive mode output delay
tOIT
0
120
12012012
ns
Exit Self Refresh to Non-Read Command
tXSNR
tRFC+10
-
tRFC+10
-
tRFC+10
-
tRFC+10
-
ns
19
Exit Self Refresh to Read Command
tXSRD
200
-
200
-
200
-
200
-
CLK
Exit Precharge Power Down to any non-Read
Command
tXP
2
-
2
-
2-
3-
CLK
14
Exit Active Power Down to Read Command
tXARD
2
-
2
-
2-
3-
CLK
Exit Active Power Down to Read Command
(Slow exit, Lower Power)
tXARDS
7-AL
-
8-AL
-
8-AL
-
10-AL
-
CLK
Minimum time clocks remains ON after CKE
asynchronously drops LOW
tDelay
tIS+tCK
+tIH
tIS+tCK
+tIH
tIS+tCK
+tIH
tIS+tCK
+tIH
ns
CKE minimum high and low pulse width
tCKE
3
-
3
-
3
-
3
-
CLK
Average Periodic Refresh Interval
0C < T < 85C
tREFI
-
7.8
-
7.8
-
7.8
-
7.8
us
18
Parameter
Symbol
(DDR2-667)
-3
(DDR2-800)
-25A
(DDR2-800)
-25
(DDR2-1066)
-18
Unit
Note
Min
Max
Min
Max
Min
Max
Min
Max
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