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参数资料
| 型号： | PI5C3244QE |
| 厂商： | Pericom Semiconductor Corp. |
| 英文描述： | 8-Bit, 2-Port Switch |
| 中文描述： | 8位，2端口交换机 |
| 文件页数： | 3/5页 |
| 文件大小： | 148K |
| 代理商： | PI5C3244QE |
PI5C3244
8-Bit, 2-Port Switch
3
PS7014C 09/2804
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Power Supply Characteristics
Parameters Description
Test Conditions
(1)
Min.
Typ
(2)
Max.
Units
I
CC
Quiescent Power
Supply Current
V
CC
= Max.
V
IN
= GND or V
CC
0.1
3.0
μA
I
CC
Supply Current per
Input @ TTL HIGH
V
CC
= Max.
V
IN
= 3.4V
(3)
2.5
mA
I
CCD
Supply Current per
Input per MHz
(4)
V
CC
= Max.,
A and B Pins Open
BE
1
or BE
2
= GND
Control Input Toggling
50% Duty Cycle
0.25
mA/
MHz
Notes:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 5.0V, +25°C ambient.
3. Per TTL driven input (V
IN
= 3.4V, control inputs only); A and B pins do not contribute to Icc.
4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The
A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design.
Switching Characteristics over Operating Range
PI5C3244
Com.
Min
Parameters Description
Conditions
(1)
Max
Unit
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
(2,3)
Ax to Bx
Bus Enable Time
BE
X
to Ax or Bx
Bus Disable Time
BE
X
to Ax or Bx
C
L
= 50 pF
R
L
= 500ohm
0.25
ns
1.5
5.6
ns
1.5
5.2
ns
Notes:
1. See test circuit and wave forms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The bus 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 0.25 ns for 50 pF 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 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 |
|---|---|
| PI5C3244QEX | 功能描述:数字总线开关 IC 8B 2 Port Bus Switch RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel |
| PI5C3244QX | 制造商:Pericom Semiconductor Corporation 功能描述: |
| PI5C3244S | 功能描述:IC 8BIT 2PORT BUS SWITCH 20SOIC RoHS:否 类别:集成电路 (IC) >> 逻辑 - 信号开关，多路复用器，解码器 系列:- 标准包装:25 系列:74HC 类型:解码器 电路:1 x 2:4 独立电路:2 输出电流高，低:5.2mA，5.2mA 电压电源:单电源 电源电压:2 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 供应商设备封装:16-DIP 包装:管件 |
| PI5C3244S2 | 制造商:Pericom Semiconductor Corporation 功能描述:PI5C3244S2 |
| PI5C3244SE | 功能描述:数字总线开关 IC 8B 2 Port Bus Switch RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel |
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