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PI5C32X2383B PDF预览

PI5C32X2383B

更新时间: 2024-11-05 23:27:35
品牌 Logo 应用领域
其他 - ETC 逻辑集成电路光电二极管
页数 文件大小 规格书
4页 216K
描述
Bus Exchanger

PI5C32X2383B 数据手册

 浏览型号PI5C32X2383B的Datasheet PDF文件第2页浏览型号PI5C32X2383B的Datasheet PDF文件第3页浏览型号PI5C32X2383B的Datasheet PDF文件第4页 
PI5C32X383/PI5C32X2383  
20-Bit Bus Switch/Exchange  
Product Features  
• Near-zero propagation delay  
Product Description  
PericomSemiconductor’sPI5Cseriesoflogiccircuitsarepro-duced  
in the Company’s advanced submicron CMOS technology,  
achieving industry leading performance.  
• Lownoise,25ohmversion(PI5C32X2383)  
• 5 ohm switches connect inputs to outputs (PI5C32X383)  
•
•
Direct bus connection when switches are ON  
The PI5C32X383 and PI5C32X2383 are 20-bit bus switches with  
exchange designed with a low ON resistance allowing inputs to be  
connected directly to outputs. The bus switch creates no additional  
propagationaldelayoradditionalgroundbouncenoise.Theswitches  
are turned ON by the Bus Enable (BE) input signal, and the Bus  
Exchange (BX) input signal offers nibble swapping of the AB and  
CD pairs of signals. This exchange configuration allows byte  
swapping of buses in systems. It can also be used as a quad  
2-to-1 multiplexer and to create low delay barrel shifters, etc. The  
PI5C32X2383isdesignedwithaninternal25ohmresistorreducing  
noise reflection in high-speed applications.  
Ultra-lowquiescentpower(0.2µAtypical)  
– Ideally suited for notebook applications  
• Packagesavailable:  
–48-pin240-milwidethinplasticTSSOP(A)  
–48-pin150-milwideplasticQSOP(B)  
Product Pin Configuration  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
BE1  
C0  
A0  
B0  
D0  
C1  
A1  
B1  
D1  
1
2
3
4
5
6
7
8
9
VCC  
D4  
B4  
Applications  
10-wide 2:1 MUX, Byte Swapping, and Hot Insertion.  
A4  
C4  
D3  
B3  
Truth Table(1)  
Function  
Disconnect  
Connect  
BEN  
H
BXn  
X
A0-A9  
Hi-Z  
B0-B9  
Hi-Z  
A3  
C3  
D2  
B2  
C2 10  
A2 11  
GND 12  
BE2 13  
C5 14  
A5 15  
B5 16  
D5 17  
C6 18  
A6 19  
B6 20  
D6 21  
C7 22  
A7 23  
GND 24  
L
L
C0-C9  
D0-D9  
D0-D9  
C0-C9  
48-Pin  
Exchange  
L
H
BX1  
Note: 1. H = High Voltage Level, X = Don’t Care,  
L = Low Voltage Level, Hi-Z = High Impedance  
36 VCC  
35 D9  
34 B9  
33 A9  
32 C9  
31 D8  
30 B8  
Logic Block Diagram  
A5  
B5  
C5  
D5  
A0  
C0  
D0  
A8  
29  
28  
27  
26  
25  
C8  
D7  
B7  
B0  
BX2  
A9  
B9  
C9  
D9  
A4  
B4  
C4  
D4  
Product Pin Description  
Pin Name  
BEn  
BXn  
Ax  
Description  
Bus Enable Input (Active LOW)  
Bus Exchange Input  
Bus A  
Bx  
Bus B  
BX1  
Cx  
Bus C  
BE1  
BX2  
Dx  
Bus D  
GND  
VCC  
Ground  
BE2  
Power  
PS8100  
07/10/97  
1

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