參數(shù)資料
型號: M312L5720DZ3-CB3
元件分類: DRAM
英文描述: 256M X 72 DDR DRAM MODULE, 0.7 ns, DMA184
封裝: ROHS COMPLIANT, DIMM-184
文件頁數(shù): 13/28頁
文件大?。?/td> 661K
代理商: M312L5720DZ3-CB3
DDR SDRAM
512MB, 1GB, 2GB Registered DIMM
Rev. 1.0 April 2006
The following specification parameters are required in systems using DDR333, DDR266devices to ensure proper system performance.
these characteristics are for system simulation purposes and are guaranteed by design.
Table 1 : Input Slew Rate for DQ, DQS, and DM
Table 2 : Input Setup & Hold Time Derating for Slew Rate
Table 3 : Input/Output Setup & Hold Time Derating for Slew Rate
Table 4 : Input/Output Setup & Hold Derating for Rise/Fall Delta Slew Rate
Table 5 : Output Slew Rate Characteristice (X4, X8 Devices only)
Table 6 : Output Slew Rate Characteristice (X16 Devices only)
Table 7 : Output Slew Rate Matching Ratio Characteristics
AC CHARACTERISTICS
DDR400
DDR333
DDR266
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
MIN
MAX
Units
Notes
DQ/DM/DQS input slew rate measured between
VIH(DC), VIL(DC) and VIL(DC), VIH(DC)
DCSLEW
0.5
4.0
0.5
4.0
0.5
4.0
V/ns
a, l
Input Slew Rate
tIS
tIH
Units
Notes
0.5 V/ns
0
ps
i
0.4 V/ns
+50
0
ps
i
0.3 V/ns
+100
0
ps
i
Input Slew Rate
tDS
tDH
Units
Notes
0.5 V/ns
0
ps
k
0.4 V/ns
+75
ps
k
0.3 V/ns
+150
ps
k
Delta Slew Rate
tDS
tDH
Units
Notes
+/- 0.0 V/ns
0
ps
j
+/- 0.25 V/ns
+50
ps
j
+/- 0.5 V/ns
+100
ps
j
Slew Rate Characteristic
Typical Range
(V/ns)
Minimum
(V/ns)
Maximum
(V/ns)
Notes
Pullup Slew Rate
1.2 ~ 2.5
1.0
4.5
a,c,d,f,g,h
Pulldown slew
1.2 ~ 2.5
1.0
4.5
b,c,d,f,g,h
Slew Rate Characteristic
Typical Range
(V/ns)
Minimum
(V/ns)
Maximum
(V/ns)
Notes
Pullup Slew Rate
1.2 ~ 2.5
0.7
5.0
a,c,d,f,g,h
Pulldown slew
1.2 ~ 2.5
0.7
5.0
b,c,d,f,g,h
AC CHARACTERISTICS
DDR400
DDR333
DDR266
PARAMETER
MIN
MAX
MIN
MAX
MIN
MAX
Notes
Output Slew Rate Matching Ratio (Pullup to Pulldown)
0.67
1.5
0.67
1.5
0.67
1.5
e,l
13.0 System Characteristics for DDR SDRAM
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