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PI5C3257 PDF预览

PI5C3257

更新时间: 2024-09-16 14:55:31
品牌 Logo 应用领域
美台 - DIODES /
页数 文件大小 规格书
8页 950K
描述
Quad 2:1, Multiplexer/Demultiplexer Bus Switch

PI5C3257 数据手册

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A product Line of  
Diodes Incorporated  
b
P
Lead-free Green  
PI5C3257  
Quad 2:1 Mux/DeMux Bus Switch  
Features  
¼ Near-Zero propagation delay  
Description  
e PI5C3257 is a Quad 2:1 multiplexer/demultiplexer with  
three-state outputs that is pinout and function compatible with  
the PI74FCT257T, 74F257, and 74ALS/AS/LS257. Inputs can be  
connectedtooutputswithlowOn-Resistance(5Ω)withnoadditional  
ground bounce noise or propagation delay.  
¼ 5Ω switches connect inputs to outputs  
¼ Direct bus connection when switches are ON  
¼ Ultra Low Quiescent Power (0.2µA typical)  
– Ideally suited for notebook applications  
¼ Pin compatible with 74 series 257 logic devices  
¼ Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  
¼ Halogen and Antimony Free. “Green” Device (Note 3)  
Block Diagram  
¼ Packaging (Pb-free & Green available):  
– 16-pin, QSOP (Q)  
IA1 IB0 IB1 IC0 IC1 ID0 ID1  
IA0  
– 16-pin, TSSOP (L)  
– 16-pin, UQFN (ZHD)  
E
S
Pin Configuration (QSOP, TSSOP)  
S
IA0  
IA1  
YA  
16  
15  
14  
13  
12  
11  
10  
9
V
E
1
2
3
4
5
6
7
8
CC  
ID0  
ID1  
YD  
IC0  
IC1  
YC  
YA  
YB  
YC  
YD  
IB0  
IB1  
YB  
Truth Table(1)  
E
H
L
L
S
X
L
YA  
YB  
YC  
YD  
Function  
Disable  
S = 0  
GND  
Hi-Z Hi-Z Hi-Z Hi-Z  
IA0  
IA1  
IB0  
IB1  
IC0  
IC1  
ID0  
ID1  
Pin Configuration (UQFN)  
H
S = 1  
Note:  
1.  
H = High Voltage Level, L = Low Voltage Level  
16  
15  
14  
13  
Pin Description  
1
2
3
4
YD  
S
12  
11  
10  
9
Pin Name  
Description  
IA0  
IC0  
IC1  
YC  
IAn-IDn  
Data Inputs  
Select Inputs  
Enable  
IA1  
YA  
S
E
YA-YD  
GND  
Vcc  
Data Outputs  
Ground  
5
6
7
8
Power  
Notes:  
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.  
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.  
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm  
antimony compounds.  
www.diodes.com  
September 2018  
Diodes Incorporated  
PI5C3257  
Document Number DS41338 Rev 1-2  
1

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