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參數資料
型號: ISP1123
廠商: NXP Semiconductors N.V.
英文描述: Universal Serial Bus compound hub
中文描述: 通用串行總線復合樞紐
文件頁數: 29/49頁
文件大小: 1155K
代理商: ISP1123
Philips Semiconductors
ISP1123
USB compound hub
Preliminary specification
Rev. 01 — 5 October 1999
29 of 49
9397 750 06325
Philips Electronics N.V. 1999. All rights reserved.
Power switches 1 to 4 are low-ohmic PMOS devices as specified in
Section 13.2
.
Fig 13. Mode 4: bus-powered hub; individual port power switching; individual overcurrent detection.
handbook, full pagewidth
MBL086
INDV
OPTION
PSW1/GL1
PSW5/GL5/GPSW
PSW4/GL4
PSW3/GL3
SP/BP
OC5/GOC
PSW2/GL2
OC1
OC2
OC3
OC4
ISP1123
VBUS
D
+
D
GND
SHIELD
+
4.50 V(min)
upstream
port
VCC
GND
1
2
3
4
+
4.40 V
(min)
VBUS
D
+
D
GND
SHIELD
1
downstream
ports
120
μ
F
ferrite bead
+
4.40 V
(min)
VBUS
D
+
D
GND
SHIELD
2
120
μ
F
ferrite bead
+
4.40 V
(min)
VBUS
D
+
D
GND
SHIELD
3
120
μ
F
ferrite bead
+
4.40 V
(min)
VBUS
D
+
D
GND
SHIELD
4
120
μ
F
ferrite bead
330 k
(4
×
)
10 k
10 k
low-ohmic
PMOS switch
0.1
μ
F
low-ohmic
PMOS switch
0.1
μ
F
10 k
low-ohmic
PMOS switch
0.1
μ
F
10 k
low-ohmic
PMOS switch
0.1
μ
F
相關PDF資料
PDF描述
ISP1123D Universal Serial Bus compound hub
ISP1123NB Universal Serial Bus compound hub
ISP1130 Universal Serial Bus compound hub with integrated keyboard controller
ISP1130DL Universal Serial Bus compound hub with integrated keyboard controller
ISP1130N Universal Serial Bus compound hub with integrated keyboard controller
相關代理商/技術參數
參數描述
ISP1123BD 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1123D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1123NB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1130 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
ISP1130DL 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
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