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PDIUSBH11D bảng dữ liệu(PDF) 21 Page - NXP Semiconductors

tên linh kiện PDIUSBH11D
Giải thích chi tiết về linh kiện  Universal Serial Bus Hub
PDF  26 Pages
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nhà sản xuất  PHILIPS [NXP Semiconductors]
Trang chủ  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PDIUSBH11D bảng dữ liệu(HTML) 21 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
PDIUSBH11
Universal Serial Bus Hub
1997 Aug 01
21
CROSSOVER
POINT
CROSSOVER
POINT
CROSSOVER
POINT
SV00514
CROSSOVER
POINT
Hub Delay
Downstream
THDD
Hub Delay
Upstream
THDD
DOWNSTREAM
DIFFERENTIAL
DATA
UPSTREAM-
DIFFERENTIAL
DATA
UPSTREAM
DIFFERENTIAL
DATA
DOWNSTREAM-
DIFFERENTIAL
DATA
VDD
VSS
VSS
A. DOWNSTREAM HUB DELAY
B. UPSTREAM HUB DELAY
SOP DISTORTION
TSOP = THDD(SOP) – THDD (NEXT J)
LOW SPEED TIMINGS ARE DETERMINED IN THE SAME WAY FOR:
TLHDD AND TLSOP
Figure 2. Hub Differential Data Delay and SOP Distortion
UPSTREAM-
DIFFERENTIAL
DATA
DOWNSTREAM-
DIFFERENTIAL
DATA
VDD
VSS
VSS
A. DOWNSTREAM EOP DELAY
B. UPSTREAM EOP DELAY
EOP DELAY
TEOPD = TEOP–
EOP DELAY RELATIVE TO THDD
TEOPDR = TEOPD – THDD
EOP SKEW
THESK = TEOP+ – TEOP–
LOW SPEED TIMINGS ARE DETERMINED IN THE SAME WAY FOR:
TLEOPD, TLEOPDR, AND TLHESK
TEOP+
TEOP–
CROSSOVER
POINT
EXTENDED
CROSSOVER
POINT
EXTENDED
UPSTREAM
END OF CABLE
DOWNSTREAM
PORT
TEOP+
TEOP–
CROSSOVER
POINT
EXTENDED
CROSSOVER
POINT
EXTENDED
SV00515
Figure 3. Hub EOP Delay and EOP Skew



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