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WED3DG6419V-D2 参数 Datasheet PDF下载

WED3DG6419V-D2图片预览
型号: WED3DG6419V-D2
PDF下载: 下载PDF文件 查看货源
内容描述: 128MB - 16Mx64 SDRAM UNBUFFERED [128MB - 16Mx64 SDRAM UNBUFFERED]
分类和应用: 动态存储器
文件页数/大小: 6 页 / 113 K
品牌: WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
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WED3DG6419V-D2  
White Electronic Designs  
ABSOLUTE MAXIMUM RATINGS  
Parameter  
Symbol  
Value  
-1.0 ~ 4.6  
-1.0 ~ 4.6  
-55 ~ +150  
16  
Units  
V
V
°C  
W
Voltage on any pin relative to VSS  
Voltage on VCC supply relative to VSS  
Storage Temperature  
VIN, VOUT  
VCC, VCCQ  
TSTG  
PD  
Power Dissipation  
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°C  
Parameter  
Symbol  
VCC  
VIH  
Min  
3.0  
2.0  
-0.3  
2.4  
Typ  
3.3  
3.0  
Max  
Unit  
V
V
V
V
Note  
Supply Voltage  
Input High Voltage  
Input Low Voltage  
3.6  
VCCQ+0.3  
0.8  
0.4  
1
2
VIL  
Output High Voltage  
Output Low Voltage  
Input Leakage Current  
VOH  
VOL  
ILI  
IOH= -2mA  
IOL= -2mA  
3
V
µA  
-10  
10  
Note:  
1.  
2.  
V
IH (max)= 5.6V AC. The overshoot voltage duration is ≤ 3ns.  
IL (min)= -2.0V AC. The undershoot voltage duration is ≤ 3ns.  
V
3. Any input 0V ≤ VIN ≤ VCC  
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  
CIN1  
Max  
50  
50  
25  
50  
25  
13  
50  
13  
Unit  
pF  
pF  
pF  
pF  
pF  
pF  
pF  
pF  
Input Capacitance (A0-A12)  
Input Capacitance (RAS#,CAS#,WE#)  
Input Capacitance (CKE0)  
CIN2  
CIN3  
Input Capacitance (CLK0, CLK2)  
Input Capacitance (CS0#,CS2#)  
Input Capacitance (DQM0-DQM7)  
Input Capacitance (BA0-BA1)  
Data input/output capacitance (DQ0-DQ63)  
CIN4  
CIN5  
CIN6  
CIN7  
COUT  
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  
Aug. 2002  
Rev. 2