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参数资料
| 型号： | M470L6423EN0-A2 |
| 厂商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 512MB Unbuffered SODIMM(based on sTSOP) |
| 中文描述： | 512MB的无缓冲的SODIMM（基于sTSOP） |
| 文件页数： | 11/13页 |
| 文件大小： | 145K |
| 代理商： | M470L6423EN0-A2 |
DDR SDRAM
512MB Unbuffered SODIMM(based on sTSOP)
Rev. 1.3 March. 2004
8. I/O Setup/Hold Plateau Derating
I/O Input Level
This derating table is used to increase tDS/tDH in the case where the input level is flat below VREF
±
310mV for a duration of
up to 2ns.
9. I/O Delta Rise/Fall Rate(1/slew-rate) Derating
Delta Rise/Fall Rate
tDS
tDH
(ns/V)
(ps)
(ps)
0
0
±
0.25
+50
+50
±
0.5
+100
+100
This derating table is used to increase t
DS
/t
DH
in the case where the DQ and DQS slew rates differ. The Delta Rise/Fall Rate
is calated as 1/SlewRate1-1/SlewRate2. For example, if slew rate 1 = 5V/ns and slew rate 2 =.4V/ns then the Delta Rise/Fall
Rate =-0/5ns/V. Input S/H slew rate based on larger of AC-AC delta rise/fall rate and DC-DC delta rise/fall rate.
10. This parameter is fir system simulation purpose. It is guranteed by design.
11. For each of the terms, if not already an integer, round to the next highest integer. tCK is actual to the system clock cycle time.
tDS
(ps)
+50
tDH
(ps)
+50
(mV)
±
280
0
The following table specifies derating values for the specifications listed if the single-ended clock skew rate is less than 1.0V/ns.
CK slew rate
(Single ended)
(ps)
(ps)
1.0V/ns
0
0
0.75V/ns
+50
+50
0.5V/ns
+100
+100
tIH/tIS
tDSS/tDSH
tAC/tDQSCK
(ps)
0
+50
+100
tLZ(min)
(ps)
0
-50
-100
tHZ(max)
(ps)
0
+50
+100
<Reference>
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| M470L6423EN0-B0 | 512MB Unbuffered SODIMM(based on sTSOP) |
| M470L6423EN0-CB3 | 512MB Unbuffered SODIMM(based on sTSOP) |
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| M470L6524CU0 | DDR SDRAM Unbuffered Module 18 4 pin Unbuffered Module based on 512Mb C-die |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M470L6423EN0-B0 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:512MB Unbuffered SODIMM(based on sTSOP) |
| M470L6423EN0-CB3 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:512MB Unbuffered SODIMM(based on sTSOP) |
| M470L6423EN0-CLB3 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:512MB Unbuffered SODIMM(based on sTSOP) |
| M470L6524BT0-CA2 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:DDR SDRAM Unbuffered Module 18 4 pin Unbuffered Module based on 512Mb B-die |
| M470L6524BT0-CB0 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:DDR SDRAM Unbuffered Module 18 4 pin Unbuffered Module based on 512Mb B-die |
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