參數(shù)資料
型號(hào): AT43312
廠商: Atmel Corp.
英文描述: Self- and Bus- Powered USB Hub Controller
中文描述: 自和總線供電的USB集線器控制器
文件頁(yè)數(shù): 20/21頁(yè)
文件大?。?/td> 157K
代理商: AT43312
AT43312
20
DPx, DMx Driver Characteristics, Low Speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
T
R
Rise time
C
L
= 50 pF
75
ns
T
R
Rise time
C
L
= 350 pF
300
ns
T
F
Fall time
C
L
= 50 pF
75
ns
T
F
Fall time
C
L
= 350 pF
300
ns
TRFM
TR/TF matching
80
120
%
V
CRS
Output signal crossover
1.3
2.0
V
Dpx, Dmx Hub Timings, High Speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
T
HDD1
T
HDD2
Hub Differential Data Delay
with cable
without cable
70
40
ns
ns
T
HDJ1
T
HDJ2
Hub Diff Driver Jitter
To Next Transition
For Paired Transitions
-3
-1
3
1
ns
ns
T
SOP
Data Bit Width Distortion
after SOP
-5
3
ns
T
EOPD
Hub EOP Delay Relative
to THDD
0
15
ns
T
HESK
Hub EOP Output Width Skew
-15
15
ns
Dpx, Dmx Hub Timings, Low Speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
T
LHDD
Hub Differential Data Delay
300
ns
T
LHDJ1
T
LHDJ2
Downstr Hub Diff Driver Jitter
To Next Transition
For Paired Transitions
-45
-15
45
15
ns
ns
T
SOP
Data Bit Width Distortion
after SOP
-60
45
ns
T
LEOPD
Hub EOP Delay Relative
to THDD
0
200
ns
T
LHESK
Hub EOP Output Width Skew
-300
300
ns
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