Philips ISP1122 14. Static characteristics

Philips Semiconductors ISP1122
USB stand-alone hub
Product specification Rev. 03 — 29 March 2000 31 of 48
9397 750 07002 © Philips Electronics N.V. 2000. All rights reserved.
14. Static characteristics
[1] In ‘suspend’ mode the minimum voltage is 2.7V.
[1] Bus-powered mode.
[2] Self-powered or hybrid-powered mode.
Table 26: Static characteristics; supply pins
V
CC
= 4.0 to 5.5 V; V
GND
=0V; T
amb
= − 40 to + 85 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Ty p 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 kΩ pull-up on upstream
port D+ (pin DP0) - - 270 µA
no pull-up on upstream port
D+ (pin DP0) --80µA
Table 27: Static characteristics: digital pins
V
CC
= 4.0 to 5.5 V; V
GND
=0V; T
amb
= − 40 to + 85 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Ty p 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 =20µA - - 0.1 V
Leakage current
ILI input leakage current - - ±1µA
Open-drain outputs
IOZ OFF-state output current - - ±1µA
Table 28: Static characteristics: overcurrent sense pins
V
CC
= 4.0 to 5.5 V; V
GND
=0V; T
amb
= − 40 to + 85 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Ty p 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]