參數(shù)資料
型號(hào)： EBE21RD4AEFA
廠商： Elpida Memory, Inc.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:12; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:15-97 RoHS Compliant: No
中文描述： 2GB的注冊(cè)DDR2 SDRAM DIMM內(nèi)存（256M字× 72位，2個(gè)等級(jí)）
文件頁(yè)數(shù)： 10/22頁(yè)
文件大?。?/td> 173K
代理商： EBE21RD4AEFA
EBE21RD4ABHA
Data Sheet E0451E20 (Ver. 2.0)
10
Electrical Specifications
All voltages are referenced to VSS (GND).
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Note
Voltage on any pin relative to VSS
VT
–0.5 to +2.3
V
Supply voltage relative to VSS
VDD
–0.5 to +2.3
V
Short circuit output current
IOS
50
mA
Power dissipation
PD
18
W
Operating case temperature
TC
0 to +85
°C
1
Storage temperature
Tstg
–55 to +100
°C
Note: DDR2 SDRAM component specification.
Caution
Exposing the device to stress above those listed in Absolute Maximum Ratings could cause
permanent damage. The device is not meant to be operated under conditions outside the limits
described in the operational section of this specification. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
DC Operating Conditions (TC = 0 to +85°C) (DDR2 SDRAM Component Specification)
Parameter
Symbol
min.
typ.
max.
Unit
Notes
Supply voltage
VDD, VDDQ
1.7
1.8
1.9
V
4
VSS
0
0
0
V
VDDSPD
1.7
—
3.6
V
Input reference voltage
VREF
0.49
×
VDDQ
VREF
0.04
0.50
×
VDDQ 0.51
×
VDDQ
V
1, 2
Termination voltage
VTT
VREF
VREF + 0.04
V
3
DC input logic high
VIH (DC)
VREF + 0.125
VDDQ + 0.3V
V
DC input low
VIL (DC)
0.3
VREF – 0.125
V
AC input logic high
VIH (AC)
VREF + 0.250
VREF
0.250
V
AC input low
VIL (AC)
V
Notes: 1. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically
the value of VREF is expected to be about 0.5
×
VDDQ of the transmitting device and VREF are expected
to track variations in VDDQ.
2. Peak to peak AC noise on VREF may not exceed
±
2% VREF (DC).
3. VTT of transmitting device must track VREF of receiving device.
4. VDDQ must be equal to VDD.
相關(guān)PDF資料
PDF描述
EBE21RD4AEFA-4A-E 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
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EBE21RD4AEFA-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)
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)
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