Philips ISP1521 15. Static characteristics

Philips Semiconductors ISP1521
Hi-Speed USB hub controller
Product data Rev. 03 — 24 November 2004 35 of 53
9397 750 13702 © Koninklijke Philips Electronics N.V. 2004. All rights reserved.
15. Static characteristics
[1] Irrespective of the number of devices connected, the value of ICC is always 91mA in full-speed.
[2] Including Rpu drop current.
[1] All pins are 5 V tolerant.
Table 36: Static characteristics: supply pins
V
CC
= 3.0 V to3.6 V; T
amb
= − 40 ° Cto+70 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Full-speed
IREF(5V0) supply current 5 V - 0.5 - mA
ICC(tot) total supply current 3.3 V ICC(tot) =I
CC1 +I CC2 +I CC3 +I CC4 [1] -91-mA
High-speed
ICC(tot) total supply current 3.3 V suspend mode; internal clock stopped [2] - 0.5 - mA
no device connected - 183 - mA
1 active device connected - 231 - mA
2 active devices connected - 276 - mA
3 active devices connected - 318 - mA
4 active devices connected - 362 - mA
5 active devices connected - 400 - mA
6 active devices connected - 446 - mA
7 active devices connected - 492 - mA
Table 37: Static characteristics: digital input and outputs[1]
V
CC
= 3.0 V to3.6 V; T
amb
= − 40 ° Cto+70 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Digital input pins
VIL LOW-level input voltage - - 0.8 V
VIH HIGH-level input voltage 2.0 - - V
ILI input leakage current −1- +1µA
Schmitt-trigger input pins
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
Overcurrent detection pins OC1_N to OC7_N
∆Vtrip overcurrent detection trip voltage ∆V=V
CC −VOCn_N -84-mV
Digital output pins
VOL LOW-level output voltage - - 0.4 V
VOH HIGH-level output voltage 2.4 - - V
Open-drain output pins
IOZ OFF-state output current −1- +1µA