參數(shù)資料
型號: ISP1122ANB
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Universal Serial Bus stand-alone hub
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PDIP32
封裝: 0.400 INCH, PLASTIC, SDIP-32
文件頁數(shù): 29/48頁
文件大小: 1150K
代理商: ISP1122ANB
Philips Semiconductors
ISP1122A
USB stand-alone hub
Preliminary specification
Rev. 01 — 27 March 2000
29 of 48
9397 750 06986
Philips Electronics N.V. 2000. All rights reserved.
Power switch is low-ohmic PMOS device as specified in
Section 12.2
.
Fig 13. Mode 0: bus-powered hub; ganged port power switching; global overcurrent detection.
MBL173
handbook, full pagewidth
INDV
OPTION
PSW1/GL1
PSW5/GL5/GPSW
PSW4/GL4
PSW3/GL3
SP/BP
OC5/GOC
PSW2/GL2
OC1
OC2
OC3
OC4
ISP1122A
VBUS
D
+
D
GND
SHIELD
+
4.50 V(min)
upstream
port
VCC
GND
330
k
VBUS
D
+
D
GND
SHIELD
+
4.40 V
(min)
1
downstream
ports
120
μ
F
ferrite bead
VBUS
D
+
D
GND
SHIELD
+
4.40 V
(min)
2
120
μ
F
ferrite bead
VBUS
D
+
D
GND
SHIELD
+
4.40 V
(min)
3
120
μ
F
ferrite bead
VBUS
D
+
D
GND
SHIELD
+
4.40 V
(min)
4
120
μ
F
ferrite bead
low-ohmic
PMOS switch
47 k
0.1
μ
F
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