參數(shù)資料
型號： EBE21RD4AEFA-4A-E
廠商： ELPIDA MEMORY INC
元件分類： DRAM
英文描述： Circular Connector; No. of Contacts:5; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:15-5 RoHS Compliant: No
中文描述： 256M X 72 DDR DRAM MODULE, 0.6 ns, DMA240
封裝： ROHS COMPLIANT, DIMM-240
文件頁數(shù)： 15/22頁
文件大?。?/td> 173K
代理商： EBE21RD4AEFA-4A-E
EBE21RD4ABHA
Data Sheet E0451E20 (Ver. 2.0)
15
AC Characteristics (TC = 0 to +85
°
C , VDD, VDDQ = 1.8V ± 0.1V, VSS = 0V)
(DDR2 SDRAM Component Specification)
-5C
-4A
Frequency (Mbps)
533
400
Parameter
Symbol min.
max.
min.
max.
Unit
Notes
/CAS latency
CL
4
5
3
5
tCK
Active to read or write command delay
tRCD
15
15
ns
Precharge command period
Active to active/auto refresh command
time
DQ output access time from CK, /CK
tRP
15
15
ns
tRC
55
55
ns
tAC
500
+500
600
+600
ps
DQS output access time from CK, /CK tDQSCK
450
+450
500
+500
ps
CK high-level width
tCH
0.45
0.55
0.45
0.55
tCK
CK low-level width
tCL
0.45
min.
(tCL, tCH)
3750
0.55
0.45
min.
(tCL, tCH)
5000
0.55
tCK
CK half period
tHP
ps
Clock cycle time
tCK
8000
8000
ps
DQ and DM input hold time
tDH
225
275
ps
5
DQ and DM input setup time
Control and Address input pulse width
for each input
DQ and DM input pulse width for each
input
Data-out high-impedance time from
CK,/CK
Data-out low-impedance time from
CK,/CK
DQS-DQ skew for DQS and associated
DQ signals
DQ hold skew factor
tDS
100
150
ps
4
tIPW
0.6
0.6
tCK
tDIPW
0.35
0.35
tCK
tHZ
tAC max.
tAC max.
ps
tLZ
tAC min.
tAC max.
tAC min.
tAC max.
ps
tDQSQ
300
350
ps
tQHS
400
450
ps
DQ/DQS output hold time from DQS
Write command to first DQS latching
transition
DQS input high pulse width
tQH
tHP – tQHS
tHP – tQHS
ps
tDQSS
WL
0.25
WL + 0.25
WL
0.25
WL + 0.25
tCK
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 preamble setup time
tWPRES 0
0
tCK
Write postamble
tWPST
0.4
0.6
0.4
0.6
tCK
Write preamble
tWPRE 0.25
0.25
tCK
Address and control input hold time
tIH
375
475
ps
5
Address and control input setup time
tIS
250
350
ps
4
Read preamble
tRPRE
0.9
1.1
0.9
1.1
tCK
Read postamble
tRPST
0.4
0.6
0.4
0.6
tCK
Active to precharge command
tRAS
40
70000
40
70000
ns
Active to auto-precharge delay
tRAP
tRCD min.
tRCD min.
ns
相關(guān)PDF資料
PDF描述
EBE21RD4AGFA LJT 24C 12#16 12#12 SKT PLUG
EBE41RE4AAHA Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:5; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight
EBE41RE4AAHA-4A-E Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:5; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight
EBE41RE4AAHA-5C-E Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:5; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight
EBE51ED8AEFA Circular Connector; No. of Contacts:12; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EBE21RD4AEFA-5C-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2GB Registered DDR2 SDRAM DIMM (256M words x 72 bits, 2 Ranks)
EBE21RD4AEFA-6 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2GB Registered DDR2 SDRAM DIMM
EBE21RD4AEFA-6E-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2GB Registered DDR2 SDRAM DIMM
EBE21RD4AGFA 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2GB Registered DDR2 SDRAM DIMM (256M words x 72 bits, 2 Ranks)
EBE21RD4AGFA-4A-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2GB Registered DDR2 SDRAM DIMM (256M words x 72 bits, 2 Ranks)
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*