參數(shù)資料
型號(hào): PDIUSBH12D
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: USB 2-port hub
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PDSO28
封裝: 7.50 MM, PLASTIC, SO-28
文件頁數(shù): 22/28頁
文件大?。?/td> 170K
代理商: PDIUSBH12D
Philips Semiconductors
Product specification
PDIUSBH12
USB 2-port hub
1999 Jul 22
22
CROSSOVER
POINT
CROSSOVER
POINT
CROSSOVER
POINT
SV00514
CROSSOVER
POINT
Hub Delay
Downstream
t
HDD
Hub Delay
Upstream
t
HDD
DOWNSTREAM
DIFFERENTIAL
DATA
UPSTREAM-
DIFFERENTIAL
DATA
UPSTREAM
DIFFERENTIAL
DATA
DOWNSTREAM-
DIFFERENTIAL
DATA
V
DD
V
SS
V
SS
A. DOWNSTREAM HUB DELAY
B. UPSTREAM HUB DELAY
SOP DISTORTION
t
SOP
= t
HDD
(SOP) – t
HDD
(NEXT J)
LOW SPEED TIMINGS ARE DETERMINED IN THE SAME WAY FOR:
t
LHDD
AND t
LSOP
Figure 2. Hub Differential Data Delay and SOP distortion
UPSTREAM-
DIFFERENTIAL
DATA
DOWNSTREAM-
DIFFERENTIAL
DATA
V
DD
V
SS
V
SS
A. DOWNSTREAM EOP DELAY
B. UPSTREAM EOP DELAY
EOP DELAY
t
EOPD
= t
EOP–
EOP DELAY RELATIVE TO t
HDD
t
EOPDR
= t
EOPD
t
HDD
EOP SKEW
t
HESK
= t
EOP+
– t
EOP–
LOW SPEED TIMINGS ARE DETERMINED IN THE SAME WAY FOR:
t
LEOPD
, t
LEOPDR
, AND t
LHESK
t
EOP+
t
EOP–
CROSSOVER
POINT
EXTENDED
CROSSOVER
POINT
EXTENDED
UPSTREAM
END OF CABLE
DOWNSTREAM
PORT
t
EOP+
t
EOP–
CROSSOVER
POINT
EXTENDED
CROSSOVER
POINT
EXTENDED
SV00515
Figure 3. Hub EOP Delay and EOP Skew
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PDIUSBH12N 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:USB 2-port hub
PDIUSBH12NB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER
PDIUSBP11 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus transceiver
PDIUSBP11A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus Transceiver
PDIUSBP11AD 制造商:NXP Semiconductors 功能描述: