PDIUSBD datasheet(13/20 Pages) PHILIPS

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Philips Semiconductors

Product specification

PDIUSBD11

USB device with serial interface

1999 Jul 22

AC CHARACTERISTICS (AI/O pins, FULL speed)

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Driver characteristics

CL = 50 pF;

Rpu = 1.5 kW on D+ to VCC

Transition Time:

Rise time

Between 10% and 90%

Fall time

Between 10% and 90%

tRFM

Rise/fall time matching

(tr/tf)

110

VCRS

Output signal crossover voltage

1.3

2.0

Driver Timings

tEOPT

Source EOP width

Figure 1

160

175

tDEOP

Differential data to EOP transition skew

Figure 1

–2

Receiver Timings

Receiver Data Jitter Tolerance

tJR1

To next transition

Characterized and not tested.

d b d

–18.5

18.5

tJR2

For paired transitions

Guaranteed by design.

–9

EOP Width at Receiver

tEOPR1

Must reject as EOP

Figure 1

tEOPR2

Must accept

SV00837

tPERIOD

DIFFERENTIAL

DATA LINES

CROSSOVER POINT

EXTENDED

DIFFERENTIAL DATA TO

SEO/EOP SKEW

N * tPERIOD + tDEOP

SOURCE EOP WIDTH: tEOPT

RECEIVER EOP WIDTH: tEOPR1, tEOPR2

Figure 1. Differential data to EOP transition skew and EOP width

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