PDIUSBH11D datasheet(19/26 Pages) PHILIPS

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Philips Semiconductors

Product specification

PDIUSBH11

Universal Serial Bus Hub

1997 Aug 01

LOAD FOR D+/D–

D. U. T.

VCC

TEST POINT

CL = 50pF, FULL SPEED

CL = 50 pF, LOW SPEED (MIN TIMING)

CL = 350pF, LOW SPEED (MAX TIMING)

* 1.5K OHM ON D– (LOW SPEED) OR D+ (FULL SPEED) ONLY

TEST

D–/LS

D+/LS

D–/FS

D+/FS

OPEN

24 OHM

1.5K OHM*

SV00237

15K OHM

AC CHARACTERISTICS (AI/O PINS. FULL SPEED)

SYMBOL

PARAMETER

TEST CONDITIONS

LIMITS

UNIT

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Driver Characteristics:

CL = 50pF;

Rpu = 1.5KΩ on D+ to VCC

Transition time:

Rise time

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:

TJR1

TJR2

Receiver data jitter tolerance

To next transition

For paired transitions

Characterized and not Tested.

Guaranteed by Design.

–18.5

–9

18.5

TEOPR1

TEOPR2

EOP width at receiver

Must reject as EOP

Must accept

Figure 1

Hub Timings:

CL = 50pF;

Rpu = 1.5KΩ on D+ to VCC

THDD

Hub differential data delay

Figure 2

TSOP

Data bit width distortion after SOP

Figure 2

–5

TEOPDR

Hub EOP delay relative to THDD

Figure 3

THESK

Hub EOP output width skew

Figure 3

–15

+15

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