Datasheet

D−
D+
1D−
1D+
2D−
2D+
S
OE
A
EN (see Note A)
B
Charge
Pump
V
CC
TS3USB221A-Q1
SCDS300 –JULY 2010 www.ti.com
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
BLOCK DIAGRAM
SIMPLIFIED SCHEMATIC, EACH FET SWITCH (SW)
A. EN is the internal enable signal applied to the switch.
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