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参数资料
| 型号： | PI3USB20LEX |
| 厂商： | Pericom |
| 文件页数： | 3/6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) |
3
PI3USB20
3.3V, Wide Bandwidth, 4-Channel,
2:1 Mux/DeMux USB 2.0 Switch
PS8697B
02/01/05
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 = 25C ambient and maximum loading.
3. Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.
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
Dynamic Electrical Characteristics Over the Operating Range
(TA = –40°C to +85°C, VCC = 3.3V ±10%, GND = 0V)
Parameters
Description
Test Conditions
Min.
Typ.(1)
Max.
Units
XTALK
Crosstalk
RL = 100, f = 250 MHz
-27
dB
OIRR
OFF Isolation
-32
BW
Bandwidth -3dB
RL = 100
500
MHz
Switching Characteristics
Parameters
Description
Test
Conditions
Min.
Typ.(1) Max. Units
tPD
Propagation Delay(2,3)
0.25
ns
tPZH, tPZL Line Enable Time - SEL to YN, NI0, IN
0.5
15.0
tPHZ, tPLZ Line Disable Time - SEL to YN, NI0, IN
0.5
9.0
tSK(o)
Output Skew between center port 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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