参数资料
型号: PI3USB20LEX
厂商: Pericom
文件页数: 1/6页
文件大小: 0K
描述: IC USB SWITCH QUAD 2X1 16TSSOP
标准包装: 3,000
功能: USB 开关
电路: 4 x 2:1
导通状态电阻: 8 欧姆
电压电源: 单电源
电压 - 电源,单路/双路(±): 3 V ~ 3.6 V
电流 - 电源: 800µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
1
PS8697B
02/01/05
Features
RON is 4 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
Description
ThePI3USB20isa8-to4-Channelmultiplexer/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.
ThedevicemultiplexesdifferentialoutputsfromaUSBHostdevice
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).
Block Diagram
Pin Description
PI3USB20
3.3V, Wide Bandwidth, 4-Channel,
2:1 Mux/DeMux USB 2.0 Switch w/ Single Enable
Y3
Y2
Y1
Y0
1I0
0I0
1I1
0I1
3I0
2I0
3I1
2I1
SEL
Truth Table
Function
SEL
Yn to nI0
L
Yn to nI1
H
VDD
GND
Y0
Y1
Y2
Y3
GND
SEL
1
2
3
4
5
6
7
8
0l0
1I0
0I1
1I1
2I0
3I0
2I1
3I1
16
15
14
13
12
11
10
9
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