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WED3DG637V75D2 参数 Datasheet PDF下载

WED3DG637V75D2图片预览
型号: WED3DG637V75D2
PDF下载: 下载PDF文件 查看货源
内容描述: 64MB- 8Mx64 SDRAM UNBUFFERED [64MB- 8Mx64 SDRAM UNBUFFERED]
分类和应用: 存储动态存储器
文件页数/大小: 5 页 / 82 K
品牌: WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
 浏览型号WED3DG637V75D2的Datasheet PDF文件第1页浏览型号WED3DG637V75D2的Datasheet PDF文件第2页浏览型号WED3DG637V75D2的Datasheet PDF文件第4页浏览型号WED3DG637V75D2的Datasheet PDF文件第5页  
W3DG647V-D2  
White Electronic Designs  
ABSOLUTE MAXIMUM RATINGS  
Parameter  
Symbol  
VIN, VOUT  
VCC, VCCQ  
TSTG  
Value  
-1.0 ~ 4.6  
-1.0 ~ 4.6  
-55 ~ +150  
8
Units  
V
V
°C  
W
Voltage on any pin relative to VSS  
Voltage on VCC supply relative to VSS  
Storage Temperature  
Power Dissipation  
PD  
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, TA = 0°C to +70°C)  
Parameter  
Supply Voltage  
Input High Voltage  
Input Low Voltage  
Output High Voltage  
Output Low Voltage  
Input Leakage Current  
Symbol  
VCC  
VIH  
Min  
3.0  
2.0  
-0.3  
2.4  
Typ  
3.3  
3.0  
Max  
3.6  
VCCQ+0.3  
0.8  
0.4  
Unit  
V
V
V
V
Note  
1
2
VIL  
VOH  
VOL  
ILI  
IOH= -2mA  
IOL= -2mA  
3
V
µA  
-10  
10  
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 VCC  
Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State  
outputs.  
CAPACITANCE  
(TA = 23°C, f = 1MHz, VCC = 3.3V, VREF=1.4V ± ±200mV)  
Parameter  
Input Capacitance (A0-A12)  
Input Capacitance (RAS#,CAS#,WE#)  
Input Capacitance (CKE0)  
Symbo  
CIN1  
Minl  
Max  
45  
Unit  
pF  
-
-
-
CIN2  
CIN3  
45  
45  
pF  
pF  
Input Capacitance (CLK0, CLK2)  
Input Capacitance (CS0#,CS2#)  
Input Capacitance (DQM0-DQM7)  
Input Capacitance (BA0-BA1)  
CIN4  
CIN5  
CIN6  
CIN7  
COUT  
-
-
-
-
-
30  
25  
10  
45  
12  
pF  
pF  
pF  
pF  
pF  
Data input/output capacitance (DQ0-DQ63)  
White Electronic Designs Corp. reserves the right to change products or specifications without notice.  
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com