ISL54216 Datasheet, PDF (2/17 Pages) Intersil Corporation – USB 2.0 High-Speed/UART Dual SP3T (Dual 3 to 1 Multiplexer)

ISL54216
Pin Configuration
12 LD 2.2x1.4 µTQFN
TOP VIEW
3D- VDD C0
12
11 10
3D+ 1
2D- ₂
LOGIC
CONTROL
9 C1
8 ^{COM -}
3D+ 1
2D- ₂
12 LD 3x3 TQFN
TOP VIEW
3D- VDD
C0
12
11
10
PD
4MΩ
LOGIC
CONTROL
4MΩ
2D+ ³
7 _{COM +}
4MΩ 4MΩ
2D+ 3
4
5
6
1D- 1D+ GND
NOTE:
1. ISL54216 Switches Shown for C1 = Logic “1” and C0 = Logic “0”.
4
1D-
5
1D+
6
GND
9 C1
8 COM -
7 COM +
Pin Descriptions
µTQFN TQFN NAME
FUNCTION
1
1
3D+ USB3 Differential Input
2
2
2D- USB2 Differential Input
3
3
2D+ USB2 Differential Input
4
4
1D- USB1 Differential Input
5
5
1D+ USB1 Differential Input
6
6 GND Ground Connection
7
7 COM+ Data Common Pin
8
8 COM- Data Common Pin
9
9
C1 Digital Control Input
10
10
C0 Digital Control Input
11
11 V_DD Power Supply
12
12 3D- USB3 Differential Input
-
PD
PD Thermal Pad. Tie to Ground or Float
Truth Table
C1
C0
MODE
COMMENTS
0
0
Wired-OR Audio All switches open
0
1
USB/UART #1
1D- and 1D+ ON
1
0
USB/UART #2
2D- and 2D+ ON
1
1
USB/UART #3
3D- and 3D+ ON
C0, C1: Logic “0” when ≤ 0.5V or float, Logic “1” when ≥ 1.4V
with V_DD in range of 2.7V to 3.6V.
2
FN7701.0
September 27, 2010