参数资料
型号: PI3V312ZHEX
厂商: Pericom
文件页数: 5/10页
文件大小: 0K
描述: IC VIDEO MUX/DEMUX 2X1 20TQFN
标准包装: 3,500
功能: 视频多路复用器/多路分解器
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(±): 2.5 V ~ 3.3 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: 20-WFQFN 裸露焊盘
供应商设备封装: 20-TQFN-EP(3.5x4.5)
包装: 带卷 (TR)
4
PS8754A
11/02/04
PI3V312
Low On-Resistance, 3.3V High-Bandwidth
4-Port, 2:1 Mux/DeMux VideoSwitch
Switching Characteristics over 2.5V Operating Range
Parameters
Description
Conditions(1)
Com.
Units
Min.
Max.
tPLH
tPHL
Propagation Delay(2,3) Y to In, In to Y
See Test Diagram
0.3
ns
tPZH
tPZL
Enable Time S or EN to Y or In
See Test Diagram
1.5
15.0
tPHZ
tPLZ
Disable Time S or EN to Y or In
1.5
12.0
Switching Characteristics over 3.3V Operating Range
Parameters
Description
Conditions(1)
Com.
Units
Min.
Typ.
Max.
tPLH
tPHL
Propagation Delay(2,3) Y to In, In to Y
See Test Diagram
0.3
ns
tPZH
tPZL
Enable Time S or EN to Y or In
See Test Diagram
1.5
9.0
tPHZ
tPLZ
Disable Time S or EN to Y or In
1.5
9.0
Notes:
1.
See test circuit and waveforms.
2.
This parameter is guaranteed but not tested on Propagation Delays.
3.
The switch contributes no propagational delay other than the RC delay of the On-Resistance of the switch and the load capacitance. The time
constant for the switch alone is of the order of 0.30ns for 10pF load. Since this time constant is much smaller than the rise/fall times of typical
driving signals, it adds very little propagational delay to the system. Propagational delay of the switch when used in a system is determined by
the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
Bandwidth vs Capacitance
3db
Bandwidth
600
500
400
300
200
100
0
0 pf
10 pf
20 pf
30 pf
40 pf
50 pf
Capacitance Load
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