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参数资料
| 型号： | QS3257Q |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | Multiplexer/Demultiplexer |
| 英文描述： | QUAD 2 LINE TO 1 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO16 |
| 封装： | QSOP-16 |
| 文件页数： | 4/5页 |
| 文件大小： | 50K |
| 代理商： | QS3257Q |
4
INDUSTRIALTEMPERATURERANGE
IDTQS3257
HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Max.
Unit
ICCQ
Quiescent Power Supply Current
VCC = Max., VIN = GND or Vcc, f = 0
3
μA
ΔICC
Power Supply Current per Control Input HIGH (2)
VCC = Max., VIN = 3.4V, f = 0
1.5
mA
ICCD
Dynamic Power Supply Current per MHz(3)
VCC = Max., I and Y pins open
0.25
mA/MHz
Control Inputs Toggling at 50% Duty Cycle
NOTES:
1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics.
2. Per TLL driven input (VIN = 3.4V, control inputs only). I and Y pins do not contribute to
ΔIcc.
3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The I and Y inputs generate no significant
AC or DC currents as they transition. This parameter is guaranteed but not production tested.
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
TA = -40°C to +85°C, VCC = 5.0V ± 5%;
CLOAD = 50pF, RLOAD = 500
Ω unless otherwise noted.
Symbol
Parameter
Min.(1)
Typ.
Max.
Unit
tPLH
DataPropagationDelay(2,3)
—
0.25(3)
ns
tPHL
Ix to Y
tPZH
Switch Turn-on Delay
0.5
—
5.2
ns
tPZL
Sx to Y
tPZH
Switch Turn-on Delay
0.5
—
4.8
ns
tPZL
Ex to Y
tPHZ
Switch Turn-off Delay (2)
0.5
—
5
ns
tPLZ
Ex to Y, Sx to Y
NOTES:
1. Minimums are guaranteed but not production tested.
2. This parameter is guaranteed but not production tested.
3. The bus switch contributes no propagation 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 0.25ns for CL = 50pF.
Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to
the system. Propagation delay of the bus 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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| QS3257QG | 功能描述:编码器、解码器、复用器和解复用器 4X2:1 MUX-DEMUX, QSW RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| QS3257QG8 | 功能描述:编码器、解码器、复用器和解复用器 4X2:1 MUX-DEMUX, QSW RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| QS3257QX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:2-Input Digital Multiplexer |
| QS3257S1 | 制造商:Integrated Device Technology Inc 功能描述: 制造商:QSI 功能描述: |
| QS3257S1G | 功能描述:编码器、解码器、复用器和解复用器 4X2:1 MUX-DEMUX, QSW RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
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