ISP1521 datasheet(37/53 Pages) PHILIPS

Part #	ISP1521

Description	Hi-Speed Universal Serial Bus hub controller

PDF	53 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

Logo

37 / 53 page

Philips Semiconductors

ISP1521

Hi-Speed USB hub controller

Product data

Rev. 03 — 24 November 2004

37 of 53

9397 750 13702

[1]

For minimum value, the HS termination resistor is disabled and the pull-up resistor is connected. Only during reset, when both the hub

and the device are capable of high-speed operation.

[2]

Characterized only, not tested. Limits guaranteed by design.

[3]

In the suspend mode, the minimum voltage is 2.7 V.

Resistance

ZINP

input impedance

Ω

Termination

VTERM

termination voltage for pull-up

resistor on pin RPU

[3] 3.0

3.6

Table 39:

Static characteristics: USB interface block (DP0 to DP7 and DM0 to DM7)…continued

VCC = 3.0 V to 3.6 V; Tamb = −40 °Cto+70 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

ISP1521 Datasheet(PDF) 37 Page - NXP Semiconductors