2

PS8756A

11/02/04

PI3V314

Low On-Resistance, 3.3V High-Bandwidth

3-Port, 4:1 Mux/DeMux VideoSwitch

Enable

Select

Function

H

X

X

Hi-Z

Disable

L

L

L

I0

S1-S0 = 0

L

L

H

I1

S1-S0 = 1

L

H

L

I2

S1-S0 = 2

L

H

H

I3

S1-S0 = 3

Block Diagram

EN0

EN1

Enable

Select

Function

H

X

X

Hi-Z

Disable

L

L

L

I0

S3-S2 = 0

L

L

H

I1

S3-S2 = 1

L

H

L

I2

S3-S2 = 2

L

H

H

I3

S3-S2 = 3

Notes:

1. H=High Voltage Level; L=Low Voltage Level

Notes:

1. For video applications: In order to control Muxing and DeMuxing

of all the 12 to 3 channels with the same control plane, the follow-

ing connectoins need to be made on the board:

a. EN0 and EN1 need to be tied together

b. S1 and S3 need to be tied together

c. S0 and S2 need to be tied together