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| 型号： | WV3DG72256V7AD2SG |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | DRAM |
| 英文描述： | 256M X 72 SYNCHRONOUS DRAM MODULE, 5.4 ns, DMA168 |
| 封装： | ROHS COMPLIANT, DIMM-168 |
| 文件页数： | 3/9页 |
| 文件大小： | 253K |
| 代理商： | WV3DG72256V7AD2SG |
WV3DG72256V-AD2
3
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
January 2006
Rev. 0
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Value
Units
Voltage on any pin relative to VSS
VIN, VOUT
-1.0 ~ 4.6
V
Voltage on VCC supply relative to VSS
VCC, VCCQ
-1.0 ~ 4.6
V
Storage Temperature
TSTG
-55 ~ +150
°C
Power Dissipation
PD
36
W
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.
RECOMMENDED DC OPERATING CONDITIONS
Voltage Referenced to: VSS = 0V, 0°C ≤ TA ≤ 70°
Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply Voltage
VCC
3.0
3.3
3.6
V
Input High Voltage
VIH
2.0
3.0
VCCQ+0.3
V
1
Input Low Voltage
VIL
-0.3
—
0.8
V
2
Output High Voltage
VOH
2.4
—
V
IOH= -2mA
Output Low Voltage
VOL
—
0.4
V
IOL= -2mA
Input Leakage Current
ILI
-10
—
10
μA
3
Note: 1. VIH (max)= 5.6V AC. The overshoot voltage duration is ≤ 3ns.
2. VIL (min)= -2.0V AC. The undershoot voltage duration is ≤ 3ns.
3. Any input 0V ≤ VIN ≤ VCCQ
Input leakage currents include Hi-Z output leakage for all bi-directional buffers
with Tri-State outputs.
CAPACITANCE
TA = 25 °C, f = 1MHz, VCC = 3.3V, VREF = 1.4V ± 200mV
Parameter
Symbol
Max
Unit
Input Capacitance (A0-A12, BA0-BA1)
CIN1
15
pF
Input Capacitance (RAS#, CAS#, WE#)
CIN2
15
pF
Input Capacitance (CKE0)
CIN3
15
pF
Input Capacitance (CLK0)
CIN4
20
pF
Input Capacitance (CS0# - CS3#)
CIN5
15
pF
Input Capacitance (DQM0-DQM7)
CIN6
15
pF
Data input/output capacitance (DQ0-DQ63), (CB0-BC7)
COUT
22
pF
PRELIMINARY*
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相关代理商/技术参数 |
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| WV3DG72256V-AD2 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx72 SDRAM, REGISTERED |
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| WV3DG7266V7D1 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512MB -2x32Mx72 SDRAM, UNBUFFERED, w/PLL |
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