参数资料
型号: W3EG7218S265BD4
厂商: WHITE ELECTRONIC DESIGNS CORP
元件分类: DRAM
英文描述: 16M X 72 DDR DRAM MODULE, 0.75 ns, DMA200
封装: SODIMM-200
文件页数: 8/13页
文件大小: 179K
代理商: W3EG7218S265BD4
4
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
November 2004
Rev. 1
PRELIMINARY
W3EG7218S-AD4
-BD4
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Value
Units
Voltage on any pin relative to VSS
VIN, VOUT
– 0.5 ~ 3.6
V
Voltage on VCC supply relative to VSS
VCC, VCCQ
–1.0 ~ 3.6
V
Storage Temperature
TSTG
– 55 ~ +150
°C
Power Dissipation
PD
9W
Short Circuit Current
IOS
50
mA
Note:
Permanent device damage may occur if "ABSOLUTE MAXIMUM RATINGS" are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
DC CHARACTERISTICS
0°C TA 70°C, VCC = 2.5V ± 0.2V
CAPACITANCE
TA = 25°C, f = 1MHz, VCC = 2.5V
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
2.3
2.7
V
Supply Voltage
VCCQ
2.3
2.7
V
Reference Voltage
VREF
1.15
1.35
V
Termination Voltage
VTT
1.15
1.35
V
Input High Voltage
VIH
VREF + 0.15
VCCQ + 0.3
V
Input Low Voltage
VIL
– 0.3
VREF – 0.15
V
Output High Voltage
VOH
VTT+ 0.76
V
Output Low Voltage
VOL
—VTT – 0.76
V
Parameter
Symbol
Max
Unit
Input Capacitance (A0-A11)
CIN1
29
pF
Input Capacitance (RAS#,CAS#,WE#)
CIN2
29
pF
Input Capacitance (CKE0,CKE1)
CIN3
29
pF
Input Capacitance (CK0,CK0#)
CIN4
5.5
pF
Input Capacitance (CS0#,CS1#)
CIN5
29
pF
Input Capacitance (DQM0-DQM8)
CIN6
8pF
Input Capacitance (BA0-BA1)
CIN7
29
pF
Data input/output Capacitance (DQ0-DQ63)(DQS)
COUT
8pF
Data input/output Capacitance (CB0-CB7)
COUT
8pF
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