參數(shù)資料
型號(hào): UPD720012
廠商: NEC Corp.
英文描述: HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
中文描述: 集線器控制器通用串行總線
文件頁(yè)數(shù): 30/36頁(yè)
文件大?。?/td> 414K
代理商: UPD720012
30
Data Sheet S13918EJ3V0DS
μ
PD72012
(5) HUB EOP delay and EOP skew
50% point of
initial swing
V
SS
(b) Downstream EOP delay excluding cable
EOP delay:
t
EOPD
= t
EOPy
t
EHDDx
(t
EOPy
means apply this expression to t
EOP–
and t
EOP+
.)
EOP skew:
t
HESK
= t
EOP+
t
EOP–
The low speed timing below is determined by the same method.
t
LEOPD
, t
LHESK
Upstream
end of cable
Upstream port or
end of cable
(c) Downstream EOP delay with and without cable
Expansion
crossover points
Downstream
port
t
EOP-
t
EOP+
V
SS
t
EOP+
t
EOP-
Downstream
port of HUB
V
SS
t
EOP+
t
EOP-
Downstream
end of HUB
V
SS
(a) Downstream EOP delay including cable
Expansion
crossover points
Expansion
crossover points
Upstream port
of HUB
V
SS
V
SS
相關(guān)PDF資料
PDF描述
UPD72012CU HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
UPD72012GB HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
UPD72012CU-XXX HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
UPD72012GB-XXX HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
UPD72012GB-XXX-3B4 HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD720101F1 制造商:NEC Electronics Corporation 功能描述:
UPD720101F1-EA8 制造商:NEC Electronics Corporation 功能描述:
UPD720101F1-EA8 ( PRICE BREAK 250K - 制造商:Renesas Electronics Corporation 功能描述:
UPD720101F1-EA8_NEC 制造商:Renesas Electronics Corporation 功能描述:
UPD720101F1-EA8-A 功能描述:HOST CTLR USB 2.0 144-FBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:2,450 系列:- 控制器類型:SPI 總線至 I²C 總線橋接 接口:I²C,串行,SPI 電源電壓:2.4 V ~ 3.6 V 電流 - 電源:11mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-HVQFN(4x4) 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND