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PI5C3257W PDF预览

PI5C3257W

更新时间: 2024-11-05 23:27:35
品牌 Logo 应用领域
其他 - ETC 复用器逻辑集成电路光电二极管
页数 文件大小 规格书
3页 177K
描述
2-Input Digital Multiplexer

PI5C3257W 数据手册

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PI5C3257  
Quad 2:1 Mux/Demux BusSwitch  
Product Features:  
ProductDescription  
• Near zero propagation delay  
PericomSemiconductor’sPI5Cseriesoflogiccircuitsareproduced  
using the Company’s advanced submicron CMOS technology,  
achieving industry leading performance.  
• 5ohm switches connect inputs to outputs  
•
•
Direct bus connection when switches are ON  
ThePI5C3257isaQuad2:1multiplexer/demultiplexerwiththree-  
state outputs that is pinout and function compatible with the  
PI74FCT257T, 74F257, and 74ALS/AS/LS257. Inputs can be  
connected to outputs with low on resistance (5 Ohms) with no  
additional ground bounce noise or propagation delay.  
UltraLowQuiescentPower(0.2µATypical)  
– Ideally suited for notebook applications  
•
Pin compatible with 74 series 257 logic devices  
• Packages available:  
– 16-pin 150 mil wide plastic QSOP (Q)  
– 16-pin 300 mil wide plastic SOIC (S)  
–16-pin150milwideplasticSOIC(W)  
–16-pin173milwideplasticTSSOP(L)  
–20-pin150milwideplasticTSSOP(R)  
16-Pin Product Configuration  
Logic Block Diagram  
16  
15  
14  
13  
12  
11  
10  
9
1
2
3
4
5
6
7
8
S
IA0  
IA1  
YA  
V
E
CC  
IA  
1
IB  
0
IB  
1
IC0  
IC1  
ID0  
ID1  
IA  
0
ID0  
ID1  
YD  
IC0  
IC1  
YC  
16-Pin  
L, Q,  
S, W  
IB0  
IB1  
YB  
E
S
GND  
20-Pin Product Configuration  
NC  
S
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
NC  
V
E
CC  
IA0  
IA1  
YA  
YA  
YB  
YC  
YD  
ID0  
ID1  
YD  
IC0  
IC1  
YC  
NC  
20-Pin  
R
TruthTable(1)  
ProductPinDescription  
IB0  
IB1  
YB  
E
H
L
L
S
X
L
YA YB YC YD Function  
Pin Name  
IAn-IDn  
S
Description  
Data Inputs  
Select Inputs  
Enable  
Hi-Z Hi-Z Hi-Z Hi-Z  
IA0 IB0 IC0 ID0  
IA1 IB1 IC1 ID1  
Disable  
S = 0  
GND  
NC  
H
S = 1  
E
YA-YD  
GND  
VCC  
Data Outputs  
Ground  
Note: 1. H = HighVoltageLevel  
L = LowVoltageLevel  
Power  
NC  
No Connect  
PS7018B  
03/17/00  
1

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