Harman Kardon AVR 171/230 Service Manual page 80

Harman Kardon
Pin Configurations
(10 LD 3.0X3.0 TDFN)
PD
SEL
1
HSD1+
2
HSD2+ 3
D+ 4
5
GND
NOTE:
1. Switches Shown for SEL = Logic "1" and OE = Logic "0".
Truth Table
OE SEL
0 0
0 1
1 X
Logic "0" when ≤ 0.5V, Logic "1" when ≥ 1.4V with a 2.7V to
3.6V Supply.
ISL54220
TOP VIEW
LOGIC
10 VDD
CONTROL
9
OE
8
HSD1-
7 HSD2-
6 D-
(10 LD 1.8X1.4 µTQFN)
8
OE
VDD 9
SEL 10
HSD1-, HSD1+ HSD2-, HSD2+
ON OFF
OFF ON
OFF OFF
2
ISL54220
SEL
1
HSD1+
2
HSD2+
3
4
D+
5
GND
ISL54220
TOP VIEW
HSD1- HSD2-
7 6
D-
5
GND
4
3
D+
1
2
HSD1+ HSD2+
Pin Descriptions
TDFN MSOP
10 10
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
PD -
AVR 171 Service Manual
ISL54220
(10 LD MSOP)
TOP VIEW
LOGIC
10
CONTROL
µTQFN NAME FUNCTION
9 VDD Power Supply (2.7V to
5.5V)
10 SEL Select Logic Control
Input
1 HSD1+ USB Data Port (Channel
1 Positive Input)
2 HSD2+ USB Data Port (Channel
2 Positive Input)
3 D+ USB Data Common
Positive Port
4 GND Ground Connection
5 D- USB Data Common
Negative Port
6 HSD2- USB Data Port (Channel
2 Negative Input)
7 HSD1- USB Data Port (Channel
1 Negative Input)
8 OE Bus Switch Enable
- PD Thermal Pad. Tie to
Ground or Float
February 4, 2010
VDD
9 OE
8 HSD1-
7 HSD2-
6
D-
FN6819.1
Page 80 of 174