Datasheet

MAX4899E/MAX4899AE
USB 2.0 High-Speed, Fault-Tolerant 3:1, 4:1
Multiplexers
12 ______________________________________________________________________________________
COM
A
+
COM
A
-
USB0+
USB0-
USB1+
USB1-
USB2+
USB2-
CONTROL
LOGIC
EN
QP
C
0
C
1
CHARGE
PUMP
GND
V+ V+
COM
A
+
COM
A
-
QP
GND
EN
C
0
C
1
CONTROL
LOGIC
CHARGE
PUMP
USB0+
USB0-
USB1+
USB1-
USB2+
USB2-
USB3+
USB3-
MAX4899AE
MAX4899E
Functional Diagrams
MAX4899E
QP EN C
1
C
0
FUNCTION COMMENT
0000
COM
A
+ →USB0+
COM
A
- →USB0-
NORMAL
OPERATION
0001
COM
A
+ →USB1+
COM
A
- →USB1-
NORMAL
OPERATION
0010
COM
A
+ →USB2+
COM
A
- →USB2-
NORMAL
OPERATION
0 0 1 1 HIGH-Z ALL OFF
0 1 X X HIGH-Z ALL OFF
1 1 X X HIGH-Z ALL OFF
1000
COM
A
+ →USB0+
COM
A
- →USB0-
LARGER R
ON
1001
COM
A
+ →USB1+
COM
A
- →USB1-
LARGER R
ON
1010
COM
A
+ →USB2+
COM
A
- →USB2-
LARGER R
ON
1 0 1 1 HIGH-Z ALL OFF
MAX4899AE
QP EN C
1
C
0
FUNCTION COMMENT
0000
COM
A
+ →USB0+
COM
A
- →USB0-
NORMAL
OPERATION
0001
COM
A
+ →USB1+
COM
A
- →USB1-
NORMAL
OPERATION
0010
COM
A
+ →USB2+
COM
A
- →USB2-
NORMAL
OPERATION
0011
COM
A
+ →USB3+
COM
A
- →USB3-
NORMAL
OPERATION
0 1 X X HIGH-Z ALL OFF
1 1 X X HIGH-Z ALL OFF
1000
COM
A
+ →USB0+
COM
A
- →USB0-
LARGER R
ON
1001
COM
A
+ →USB1+
COM
A
- →USB1-
LARGER R
ON
1010
COM
A
+ →USB2+
COM
A
- →USB2-
LARGER R
ON
1011
COM
A
+ →USB3+
COM
A
- →USB3-
LARGER R
ON
X = 1 or 0.