Connection Diagrams

20071403

LLP Top View

DAP = GND

20071404

LQFP Top View

Configuration Select Truth Table

SEL0

SEL1

EN0

EN1

OUT0

OUT1

Mode

0000

IN0

IN0

1:2 Splitter (IN1 powered down)

0100

IN0

IN1

Dual Channel Repeater

1000

IN1

IN0

Dual Channel Switch

1100

IN1

IN1

1:2 Splitter (IN0 powered down)

0101

IN0

PD

Single Channel Repeater (Channel 1 powered down)

1101

IN1

PD

Single Channel Switch (IN0 and OUT1 powered down)

0010

PD

IN0

Single Channel Switch (IN1 and OUT0 powered down)

0110

PD

IN1

Single Channel Repeater (Channel 0 powered down)

X

X

1

1

PD

PD

Both Channels in Power Down Mode

0001

Invalid State*

1001

Invalid State*

1010

Invalid State*

1110

Invalid State*

PD = Power Down mode to minimize power consumption

X = Don’t Care

* Entering these states is not forbidden, however device operation is not defined in these states.

Pre-emphasis

The pre-emphasis is used to compensate for long or lossy

transmission media. Separate pins are provided for each

output to minimize power consumption. Pre-emphasis is

programmable to be off or to preset values per the Pre-

emphasis Control Selection Table.

Output Characteristics

The output characteristics of the SCAN90CP02 device have

been optimized for point-to-point backplane and cable appli-

cations.

Pre-emphasis Control Selection Table

Channel 0

Channel 1

Pre-emphasis

PEM01

PEM00

PEM11

PEM10

00

0

0

0%

0

1

0

1

25%

1

0

1

0

50%

1

1

1

1

100%

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