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参数资料
| 型号： | PI3USB40AEX |
| 厂商： | Pericom |
| 文件页数： | 3/6页 |
| 文件大小： | 0K |
| 描述： | IC USB SWITCH OCTAL 2X1 48TSSOP |
| 标准包装： | 1,500 |
| 功能： | USB 开关 |
| 电路： | 8 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： | 48-TFSOP（0.240"，6.10mm 宽） |
| 供应商设备封装： | 48-TSSOP |
| 包装： | 带卷 (TR) |
3
PS8698A
02/01/05
PI3USB40
3.3V, Wide Bandwidth, 8-Channel,
2:1, Mux/DeMux USB 2.0 Switch with Single Enable
Notes:
1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.
3. Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.
Dynamic Electrical Characteristics Over the Operating Range (TA=-40 to +85C, VCC=3.3V±10%, GND=0V)
Parameter
Description
Test Conditions
Min.
Typ.(2)
Max.
Units
XTALK
Crosstalk
RL = 100, f = 250MHz
-27
dB
OIRR
OFF Isolation
-32
BW
Bandwidth –3dB
RL = 100
500
MHz
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Guaranteed by design.
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 0.25ns 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 bus switch when used in a system is
determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side.
Power Supply Characteristics
Parameters
Description
Test Conditions(1)
Min.
Typ.(2)
Max.
Units
ICC
Quiescent Power Supply Current
VCC = Max., VIN = GND or VCC
800
A
Notes:
1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.
3. Measured by the voltage drop between A and B pins at indicated current through the switch. On-Resistance is determined by the lower of the
voltages on the two (A & B) pins.
4. This parameter is determined by device characterization but is not production tested.
Capacitance (TA = 25°C, f = 1MHz)
Parameters(5)
Description
Test Conditions
Typ.
Max.
Units
CIN
Input Capacitance
VIN = 0V
2.0
3.0
pF
COFF
Port I Capacitance, Switch OFF
4.0
6.0
CON
Switch Capacitance, Switch ON
6.0
10.0
Switching Characteristics
Paramenter
Description
Test
Conditions Min. Typ.
(2)
Max. Units
tPD
Propagation Delay(2,3)
0.25
ns
tPZH, tPZL Line Enable Time - SEL to YN, IN
0.5
15
tPHZ, tPLZ Line Disable Time - SEL to YN, IN
0.5
9
tSK(o)
Output Skew between center port (Y4 to Y5) to any other port(2)
0.1
0.2
tSK(p)
Skew between opposite transitions of the same output (tPHL
- tPLH) (2)
0.1
0.2
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