Philips Semiconductors
ISP1581
Hi-Speed USB interface device
Product data
Rev. 05 — 26 February 2003
48 of 78
9397 750 10766
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
[1]
This value is applicable to transistor input only. The value will be different if internal pull-up or pull-down resistors are used.
Table 70:
Static characteristics: digital pins
VCC = 4.0 to 5.5 V; VGND =0V; Tamb = 40 to +85 °C; unless otherwise specied.
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
Output levels
VOL
LOW-level output voltage
IOL = rated drive
-
0.4
V
VOH
HIGH-level output voltage
IOH = rated drive
2.6
-
V
Leakage current
ILI
input leakage current
-
A
Table 71:
Static characteristics: analog I/O pins (D
VCC = 4.0 to 5.5 V; VGND =0V; Tamb = 40 to +85 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Original USB transceiver (full-speed)
Input levels (differential receiver)
VDI
differential input sensitivity
|VI(D+) VI(D)|
0.2
-
V
VCM
differential common mode
voltage
includes VDI range
0.8
-
2.5
V
Input levels (single-ended receiver)
VIL
LOW-level input voltage
-
0.8
V
VIH
HIGH-level input voltage
2.0
-
V
Vhys
hysteresis voltage
0.4
-
0.7
V
Output levels
VOL
LOW-level output voltage
pull-up on D+;
RL = 1.5 k to +3.6V
0
-
0.4
V
VOH
HIGH-level output voltage
pull-down on D+, D-;
RL =15k to GND
2.8
-
3.6
V
Hi-Speed USB transceiver
Input levels (differential receiver)
VHSSQ
high-speed squelch detection
threshold (differential)
squelch detected
-
100
mV
no squelch detected
150
-
mV
VHSDSC
high-speed disconnect detection
threshold (differential)
disconnect detected
625
-
mV
disconnect not detected
-
525
mV
VHSDI
high-speed differential input
sensitivity
|VI(D+) -VI(D-)|
300
-
mV
VHSCM
high-speed data signaling
common mode voltage range
50
-
+500
mV
Output levels
VHSOI
high-speed idle level output
voltage (differential)
10
-
+10
mV
VHSOL
high-speed LOW-level output
voltage (differential)
10
-
+10
mV