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ISP1122ABD 数据表(PDF) 31 Page - NXP Semiconductors

部件名 ISP1122ABD
功能描述  Universal Serial Bus stand-alone hub
PDF  48 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

ISP1122ABD 数据表(HTML) 31 Page - NXP Semiconductors

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Philips Semiconductors
ISP1122A
USB stand-alone hub
Preliminary specification
Rev. 01 — 27 March 2000
31 of 48
9397 750 06986
© Philips Electronics N.V. 2000. All rights reserved.
14. Static characteristics
[1]
In ‘suspend’ mode the minimum voltage is 2.7 V.
[1]
Bus-powered mode.
[2]
Self-powered or hybrid-powered mode.
Table 26: Static characteristics; supply pins
VCC = 4.0 to 5.5 V; VGND =0V; Tamb = −40 to +85 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Vreg(3.3)
regulated supply voltage
3.0 [1]
3.3
3.6
V
ICC
operating supply current
-
18
-
mA
ICC(susp)
suspend supply current
1.5 k
Ω pull-up on upstream
port D
+ (pin DP0)
-
-
270
µA
no pull-up on upstream port
D
+ (pin DP0)
--80
µA
Table 27: Static characteristics: digital pins
VCC = 4.0 to 5.5 V; VGND =0V; Tamb = −40 to +85 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Input levels
VIL
LOW-level input voltage
-
-
0.8
V
VIH
HIGH-level input voltage
2.0
-
-
V
Schmitt trigger inputs
Vth(LH)
positive-going threshold
voltage
1.4
-
1.9
V
Vth(HL)
negative-going threshold
voltage
0.9
-
1.5
V
Vhys
hysteresis voltage
0.4
-
0.7
V
Output levels
VOL
LOW-level output voltage
(open drain outputs)
IOL = 6 mA
-
-
0.4
V
IOL =20 µA
-
-
0.1
V
Leakage current
ILI
input leakage current
-
-
±1
µA
Open-drain outputs
IOZ
OFF-state output current
-
-
±1
µA
Table 28: Static characteristics: overcurrent sense pins
VCC = 4.0 to 5.5 V; VGND =0V; Tamb = −40 to +85 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
∆Vtrip
overcurrent detection
trip voltage on OCn pins
∆V=V
CC − VOCn
[1]
65
85
105
mV
∆V=V
SP/BP − VOCn
[2]



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