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PI5C16215CV PDF预览

PI5C16215CV

更新时间: 2024-09-16 13:12:19
品牌 Logo 应用领域
百利通 - PERICOM /
页数 文件大小 规格书
5页 166K
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PI5C16215CV 数据手册

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PI5C16215C  
20-Bit, Hot Insertion, BusSwitch with  
Precharged Outputs & Undershoot Protection  
ProductFeatures  
ProductDescription  
• Undershoot protection up to –1.5V, 25ns width  
PericomSemiconductor’sPI5Cseriesoflogiccircuitsareproduced  
using the company’s advanced submicron CMOS technology.  
• Near zero propagation delay  
• 5 Ohm switches connect between two ports  
• Fast switching speed: 4.5ns max.  
• Permits hot insertion  
ThePI5C16215Cprovides20-bitsofhigh-speedbusswitching.The  
lowon-stateresistanceoftheswitchallowsconnectionstobemade  
with minimal propagation delay. The device also precharges the  
B-port to a user-selectable bias voltage (BIASV) to minimize live-  
insertion noise. The device incorporates an internal charge pump  
to handle input undershoot of up to –1.5V and 25ns width.  
• Isolation during power-off conditions  
• B-Port outputs are precharged by bias voltage  
to minimize signal distortion during live insertion.  
Thedeviceisorganizedasdual 10-bitbusswitcheswithindividual  
output-enable (OE) inputs. When OE is low, the corresponding  
10-bit bus switch is on and port A is connected to port B. When OE  
is high, the switch is open, a high-impedance state exists between  
the two ports, and port B is precharged to BIASV through the  
equivalent of a 10-k ohm resistor.  
• Package options include:  
-48-pin150-milwideplasticBQSOP(B)  
-48-pin240-milwideplasticTSSOP(A)  
LogicBlockDiagram  
To ensure the high-impedance state on power up or power down,  
OE should be tied to V through a pullup resistor; the minimum  
valueoftheresistorisdeterminedbythecurrent-sinkingcapability  
of the driver connected to OE.  
CC  
1
BIASV  
1B1  
2
46  
1A1  
SW  
SW  
ProductPinConfiguration  
BIASV  
1
2
1
1
O
O
B
E
E
1
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
12  
36  
1A10  
1B10  
1A1  
2
1
A
2
3
4
5
6
3
B2  
1
A
A
4
48  
13  
1B3  
1
5
1OE  
2A1  
1A  
6
1B4  
1A  
1B5  
7
35  
25  
GND  
GND  
8
SW  
SW  
2B1  
1
A
7
8
9
9
1
B6  
1B7  
1
A
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
1
1
1
2
B8  
1A  
24  
47  
48-Pin  
A,B  
B
9
1A10  
2A10  
2OE  
2B10  
2A1  
B
10  
2A  
2
B1  
2B2  
VCC  
2A  
3
2B3  
GND  
GND  
2
A
4
5
6
2
2
2
2
2
2
2
B4  
2
A
B
5
2A  
B6  
A
B
B
7
8
2
A
A
7
8
2
B
B
9
2A  
9
2A  
10  
B10  
OE  
PS8369B  
12/15/01  
1

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