Datasheet

D−
D+
1D−
1D+
2D−
2D+
S
OE
A
EN (see Note A)
B
Charge
Pump
V
CC
TS3USB221
SCDS220G –NOVEMBER 2006–REVISED SEPTEMBER 2010 www.ti.com
ORDERING INFORMATION
T
A
PACKAGE
(1) (2)
ORDERABLE PART NUMBER TOP-SIDE MARKING
(3)
QFN – RSE Reel of 3000 TS3USB221RSER L5_
–40°C to 85°C
SON – DRC Reel of 3000 TS3USB221DRCR ZWG
(1) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
(3) RSE: The actual top-side marking has one additional character that designates the assembly/test site.
Table 1. PIN DESCRIPTION
NAME DESCRIPTION
OE Bus-switch enable
S Select input
D Bus A
nD Bus B
Table 2. 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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