PI3USB14
Low Voltage, High Bandwidth, USB 2.0,
4:1 Mux/DeMux with Single Enable
Features
• Near-Zero propagation delay
• 5Ω switches connect inputs to outputs
• High signal passing bandwidth (300MHz)
• Beyond Rail-to-Rail switching
• 5V I/O tolerant with 3.3V supply
• 2.5V and 3.3V supply voltage operation
• Hot insertion capable
• Industrial operating temperature: -40ºC to +85ºC
• 2KV ESD Protection (human body model)
• Latch-up performance >250mA per JESD17
• Packaging (Pb-free & Green available):
– 16-pin 150-mil wide plastic QSOP (Q)
– 16-pin 173-mil wide plastic TSSOP (L)
– 20-contact TQFN (ZH)
Description
The PI3USB14 is a 2-channel, 4:1 Multiplexer/Demultiplexer with
3-state outputs. The switch introduces no additional ground bounce
noise or propagation delay.
The PI3USB14 device is very useful in switching USB 2.0 signals
and others that have high bandwidth (300MHz).
Block Diagram
IA0
IA1
IA2
IA3
IB0
IB1
IB2
IB3
Pin Configuration
N.C.
1
V
CC
20
19�½
18
17
16
15
14
13
EN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
N.C.
S
0
I
B
3
I
B
2
I
B
1
I
B
0
EN
S
1
2
3
N.C.
N.C.
S
0
I
B
3
I
B
2
I
B
1
I
B
0
EN
S
1
I
A
3
I
A
2
I
A
3
4
I
A
2
5
I
A
1
I
A
0
6
7
8
9
10
11
S0
S1
I
A
1
I
A
0
Y
A
GND
Y
B
Y
A
N.C.
12
Y
B
N.C.
GND
YA
YB
Truth Table
(1)
Enable
EN
H
L
L
L
L
S
1
X
L
L
H
H
Select
S
0
X
L
H
L
H
Y
Hi-Z
I0
I1
I2
I3
Function
Disable
S1-0 = 0
S1-0 = 1
S1-0 = 2
S1-0 = 3
Notes:
1. N.C. = No internal connection
Pin Description
Pin Name
I
A
N
,
I
B
N
Description
Data Inputs
Select Inputs
Enable
Data Outputs
Ground
Power
S
0-1
EN
Y
A
to Y
B
GND
V
CC
Notes:
1. H=High Voltage Level; L=Low Voltage Level
1
PS8760
02/01/05
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
