參數(shù)資料
型號(hào): MC141555
廠商: Motorola, Inc.
英文描述: USB Hub Controller CMOS
中文描述: USB集線器控制器的CMOS
文件頁(yè)數(shù): 5/16頁(yè)
文件大?。?/td> 280K
代理商: MC141555
MC141555
5
MOTOROLA
LOW SPEED OPERATING HUB ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Conditions
Min
Max
Unit
tLHDD
Hub Differential Data Delay
Figure 5, Figure 6
300
ns
tLDHJ1
tLDHJ2
tLDHJ2
tLDHJ2
Hub Differential Driver Jitter (including cable)
Downstream:
To Next Transition
For Paired Transitions
Upstream:
To Next Transition
For Paired Transitions
-45
-15
-45
-45
45
15
45
45
ns
ns
ns
ns
tSOP
Data Bit Width Distortion After SOP
-60
45
ns
tLHESK
Hub EOP Output Width Skew
-300
300
ns
FULL SPEED OPERATING HUB ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Conditions
Min
Max
Unit
tHDD1
tHDD2
Hub Differential Data Delay
(with cable)
(without cable)
Figure 5, Figure 6
70
40
ns
ns
tHDJ1
tHDJ2
Hub Differential Driver Jitter (including cable)
To Next Transition
For Paired Transitions
-3
-1
3
1
ns
ns
tSOP
Data Bit Width Distortion After SOP
-5
3
ns
tHESK
Hub EOP Output Width Skew
-15
15
ns
50% Point of
Initial Swing
Upstream
End of
Cable
Vss
Vss
Downstream
Port
Hub Delay
Downstream
t
HDD1
Crossover
Point
Vss
Hub Delay
Downstream
t
HDD1
, t
HDD2
Crossover
Point
Upstream
End of
Cable
Vss
Downstream
Port
Crossover
Point
Figure 5. Downstream Hub Delay
Figure 6. Upstream Hub Delay
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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PDF描述
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