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PDF PI3USB20LE Data sheet ( Hoja de datos )
| Número de pieza | PI3USB20LE | |
| Descripción | 3.3V/ Wide Bandwidth/ 4-Channel/ 2:1 Mux/DeMux USB 2.0 Switch w/ SiNGLE ENABLE | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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Features
• RON is 4Ω typical
• Low bit-to-bit skew: 200ps
• Low Crosstalk: –27dB @ 250MHz
• Near-Zero propagation delay: 250ps
• Switching speed: 9ns
• Channel On-Capacitance: 6pF (typical)
• VCC Operating Range: +3.0V to +3.6V
• ESD>2000V . . . Human Body Model
• >500 MHz bandwidth (or data frequency)
• Package (Pb-free & Green available):
-16-pin, 173-mil wide plastic TSSOP (L)
Application
• Routes signals for USB 2.0
Block Diagram
Y0
Y1
Y2
Y3
SEL
PI3USB20
3.3V, Wide Bandwidth, 4-Channel,
2:1 Mux/DeMux USB 2.0 Switch w/ Single Enable
Description
Pericom Semiconductor’s PI3USB series of logic circuits are
produced using the Company’s advanced sub-micron CMOS
technology, achieving industry leading performance.
The PI3USB20 is a 8- to 4-Channel multiplexer/demultiplexerVideo
Switch with Hi-Z outputs. Industry leading advantages include a
propagation delay of less than 250ps, resulting from its low channel
resistance and I/O capacitance. The device multiplexes differential
outputs from a USB Host device to one of two corresponding outputs.
The switch is bidirectional and offers little or no attenuation of the
high-speed signals at the outputs. It is designed for low bit-to-bit
skew, high channel-to-channel noise isolation and is compatible
with various standards, such as high speed USB 2.0 (480 Mb/s).
Pin Description
0I0
VDD
1
1I0
GND
2
0I1 Y0 3
1I1
Y1 4
2I0
3I0 Y2 5
2I1 Y3 6
3I1
GND
7
SEL 8
16 0l0
15 1I0
14 0I1
13 1I1
12 2I0
11 3I0
10 2I1
9 3I1
Truth Table
Function
Yn to nI0
Yn to nI1
SEL
L
H
1
PS8697A
07/23/04
1 page  
Switching Waveforms
PI3USB20
3.3V, Wide Bandwidth, 4-Channel,
2:1 Mux/DeMux USB 2.0 Switch
Input
2.5V
tPLH
Output
2.5V
2.5V
3.5V
tPHL
2.5V
1.5V
VOH
VOL
SEL
tPZL
Output
tPZH
Output
1.25V
1.25V
tPLZ
VDD/2
tPHZ
VDD/2
VOL +0.3V
VOH –0.3V
2.5V
0V
VOH
VOL
VOH
VOL
Voltage Waveforms Propagation Delay Times
Data In
tPLHX
Data Out
at Channel X
I
Data Out
at Channel Y
tPLHy
tPHLX
tSK(o)
tPHLy
3.5V
2.5V
1.5V
VOH
2.5V
VOL
VOH
2.5V
VOL
tSK(o) = I tPLHy – tPLHx I or I tPHLy – tPHLx I
Output Skew - tSK(o)
Voltage Waveforms Enable and Disable Times
Input
tPLH
tPHL
Output
tSK(p) = I tPHL – tPLH I
3.5V
2.5V
1.5V
VOH
2.5V
VOL
Pulse Skew - tSK(p)
Applications Information
Logic Inputs
The logic control inputs can be driven up to +3.6V regardless of the supply voltage. For example, given a +3.3V supply, the output
enables or select pins may be driven low to 0V and high to 3.6V. Driving IN Rail-to-Rail® minimizes power consumption.
Power-Supply Sequencing
Proper power-supply sequencing is advised for all CMOS devices. It is recommended to always apply VCC before applying signals
to the input/output or control pins.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd
5
PS8697A
07/23/04
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet PI3USB20LE.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| PI3USB20L | 3.3V/ Wide Bandwidth/ 4-Channel/ 2:1 Mux/DeMux USB 2.0 Switch w/ SiNGLE ENABLE | Pericom Semiconductor Corporation |
| PI3USB20LE | 3.3V/ Wide Bandwidth/ 4-Channel/ 2:1 Mux/DeMux USB 2.0 Switch w/ SiNGLE ENABLE | Pericom Semiconductor Corporation |
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