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BLOCK DIAGRAM

D−

D+

1D−

1D+

2D−

2D+

S

OE

A

B

(1) EN is the internal enable signal applied to the switch.

Charge

Pump

TS3USB221

HIGH-SPEED USB 2.0 (480-Mbps) 1:2 MULTIPLEXER/DEMULTIPLEXER SWITCH

WITH SINGLE ENABLE

SCDS220 – NOVEMBER 2006

PIN DESCRIPTION

NAME

DESCRIPTION

OE

Bus-switch enable

S

Select input

D

Bus A

nD

Bus B

TRUTH TABLE

S

OE

FUNCTION

X

H

Disconnect

L

L

D = 1D

H

L

D = 2D

SIMPLIFIED SCHEMATIC, EACH FET SWITCH (SW)

2

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