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參數(shù)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(shù)： | 33/49頁 |
| 文件大小： | 1155K |
| 代理商： | ISP1123 |
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Philips Semiconductors
ISP1123
USB compound hub
Preliminary specification
Rev. 01 — 5 October 1999
33 of 49
9397 750 06325
Philips Electronics N.V. 1999. All rights reserved.
[1]
[2]
[3]
[4]
D
+
is the USB positive data pin (DPn); D
is the USB negative data pin (DMn).
Includes external resistors of 20
±
1% on both D
+
and D
.
This voltage is available at pin V
reg(3.3)
.
In ‘suspend’ mode the minimum voltage is 2.7 V.
16. Dynamic characteristics
[1]
Dependent on the crystal oscillator start-up time.
Table 29: Static characteristics: analog I/O pins (D
+
, D
)
[1]
V
CC
= 4.0 to 5.5 V; V
GND
= 0 V; T
amb
=
40 to
+
85
°
C; unless otherwise specified.
Symbol
Parameter
Input levels
V
DI
differential input sensitivity
V
CM
differential common mode
voltage
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
Output levels
V
OL
LOW-level output voltage
V
OH
HIGH-level output voltage
Leakage current
I
LZ
OFF-state leakage current
Capacitance
C
IN
transceiver capacitance
Resistance
Z
DRV
[2]
driver output impedance
Z
INP
input impedance
Termination
V
TERM
[3]
termination voltage for
upstream port pull-up (R
PU
)
Conditions
Min
Typ
Max
Unit
|
V
I(D
+
)
V
I(D
)
|
includes V
DI
range
0.2
0.8
-
-
-
2.5
V
V
-
2.0
-
-
0.8
-
V
V
R
L
= 1.5 k
to
+
3.6V
R
L
= 15 k
to GND
-
2.8
-
-
0.3
3.6
V
V
-
-
±
10
μ
A
pin to GND
-
-
20
pF
steady-state drive
28
10
-
-
44
-
M
3.0
[4]
-
3.6
V
Table 30: Dynamic characteristics
V
CC
= 4.0 to 5.5 V; V
GND
= 0 V; T
amb
=
40 to
+
85
°
C; unless otherwise specified.
Symbol
Parameter
Reset
t
W(RESET)
pulse width on input RESET
Conditions
Min
Typ
Max
Unit
crystal oscillator running
crystal oscillator stopped
10
-
-
2
[1]
-
-
μ
s
ms
Crystal oscillator
f
XTAL
crystal frequency
-
6
-
MHz
相關(guān)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(guān)代理商/技術(shù)參數(shù) |
參數(shù)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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