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WMS512K8-20DEC 参数 Datasheet PDF下载

WMS512K8-20DEC图片预览
型号: WMS512K8-20DEC
PDF下载: 下载PDF文件 查看货源
内容描述: 512Kx8单片SRAM , SMD 5962-95613 [512Kx8 MONOLITHIC SRAM, SMD 5962-95613]
分类和应用: 存储内存集成电路静态存储器
文件页数/大小: 10 页 / 289 K
品牌: WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
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WMS512K8-XXX  
White Electronic Designs  
AC Characteristics  
(VCC = 5.0V, GND = 0V, -55°C TA < 125°C)  
-15  
-17  
-20  
-25  
-35  
-45  
-55  
Parameter  
Symbol  
Unit  
Min Max Min Max Min Max Min Max Min Max Min Max Min Max  
Read Cycle Time  
Address Access Time  
Output Hold from Address Change  
Chip Select Access Time  
Output Enable to Output Valid  
Chip Select to Output in Low Z  
Output Enable to Output in Low Z  
Chip Disable to Output in High Z  
Output Disable to Output in High Z  
15  
0
17  
0
20  
0
25  
0
35  
0
45  
0
55  
0
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
tRC  
tAA  
15  
17  
20  
25  
35  
45  
55  
tOH  
15  
8
17  
9
20  
10  
25  
12  
35  
25  
45  
25  
55  
25  
tACS  
tOE  
2
0
2
0
2
0
2
0
4
0
4
0
4
0
tCLZ1  
tOLZ1  
tCHZ1  
tOHZ1  
8
8
9
9
10  
10  
12  
12  
15  
15  
20  
20  
20  
20  
AC Characteristics  
(VCC = 5.0V, GND = 0V, -55°C TA 125°C)  
-15  
-17  
-20  
-25  
-35  
-45  
-55  
Parameter  
Symbol  
Unit  
Min Max Min Max Min Max Min Max Min Max Min Max Min Max  
Write Cycle Time  
15  
13  
13  
8
13  
2
17  
14  
14  
9
14  
2
20  
14  
14  
10  
14  
2
25  
15  
15  
10  
15  
2
35  
25  
25  
20  
25  
2
45  
35  
35  
25  
35  
2
55  
50  
50  
25  
40  
2
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
tWC  
tCW  
tAW  
Chip Select to End of Write  
Address Valid to End of Write  
Data Valid to End of Write  
Write Pulse Width  
Address Setup Time  
Address Hold Time  
Output Active from End of Write  
Write Enable to Output in High Z  
Data Hold Time  
tDW  
tWP  
tAS  
0
2
0
2
0
3
0
4
0
4
5
5
5
5
tAH  
tOW1  
tWHZ1  
tDH  
8
9
9
10  
15  
20  
25  
0
0
0
0
0
0
0
1. This parameter is guaranteed by design but not tested.  
AC TEST CIRCUIT  
AC TEST CONDITIONS  
Parameter  
Typ  
Unit  
Input Pulse Levels  
Input Rise and Fall  
Input and Output Reference Level  
Output Timing Reference Level  
VIL = 0, VIH = 3.0  
V
ns  
V
IOL  
5
1.5  
1.5  
Current Source  
V
VZ 1.5V  
(Bipolar Supply)  
D.U.T.  
Notes:  
VZ is programmable from -2V to +7V.  
Ceff = 50 pF  
I
OL & IOH programmable from 0 to 16mA.  
Tester Impedance Z0 = 75 .  
VZ is typically the midpoint of VOH and VOL.  
IOL & IOH are adjusted to simulate a typical resistive load circuit.  
IOH  
ATE tester includes jig capacitance.  
Current Source  
White Electronic Designs Corp. reserves the right to change products or specifications without notice.  
October 2004  
Rev. 10  
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com