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Philips Semiconductors
14. Static characteristics
Table 26: Static characteristics; supply pins
V
= 4.0 to 5.5 V; V
= 0 V; T
CC
GND
Symbol
Parameter
V
regulated supply voltage
reg(3.3)
I
operating supply current
CC
I
)
suspend supply current
CC(susp
[1]
In 'suspend' mode the minimum voltage is 2.7 V.
Table 27: Static characteristics: digital pins
V
= 4.0 to 5.5 V; V
= 0 V; T
CC
GND
Symbol
Parameter
Input levels
V
LOW-level input voltage
IL
V
HIGH-level input voltage
IH
Schmitt trigger inputs
V
positive-going threshold
th(LH)
voltage
V
negative-going threshold
th(HL)
voltage
V
hysteresis voltage
hys
Output levels
V
LOW-level output voltage
OL
(open drain outputs)
Leakage current
I
input leakage current
LI
Open-drain outputs
I
OFF-state output current
OZ
Table 28: Static characteristics: overcurrent sense pins
V
= 4.0 to 5.5 V; V
= 0 V; T
CC
GND
Symbol
Parameter
overcurrent detection
V
trip
trip voltage on OCn pins
[1]
Bus-powered mode.
[2]
Self-powered or hybrid-powered mode.
9397 750 07002
Product specification
= 40 to 85 C; unless otherwise specified.
amb
Conditions
1.5 k pull-up on upstream
port D (pin DP0)
no pull-up on upstream port
D (pin DP0)
= 40 to 85 C; unless otherwise specified.
amb
Conditions
I
= 6 mA
OL
I
= 20 A
OL
= 40 to 85 C; unless otherwise specified.
amb
Conditions
V = V
CC
V = V
SP/BP
Rev. 03 — 29 March 2000
Min
[1]
3.0
-
-
-
Min
-
2.0
1.4
0.9
0.4
-
-
-
-
Min
[1]
V
OCn
65
[2]
V
OCn
ISP1122
USB stand-alone hub
Typ
Max
Unit
3.3
3.6
V
18
-
mA
-
270
-
80
Typ
Max
Unit
-
0.8
V
-
-
V
-
1.9
V
-
1.5
V
-
0.7
V
-
0.4
V
-
0.1
V
-
1
-
1
Typ
Max
Unit
85
105
mV
© Philips Electronics N.V. 2000. All rights reserved.
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