AT43301 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT43301

Low-cost USB Hub Controller

Atmel Corporation 

4. Timing Waveforms

Figure 4-1.

Data Signal Rise and Fall Time

VCRS

10%

DIFFERENTIAL

DATA LINES

RISE TIME

90%

tR

FALL TIME

90%

10%

tF

Figure 4-2. Full-speed Load

TxD+

RS

CL

TxD-

RS

CL

CL = 50pF

Figure 4-3.

Low-speed Downstream Port Load

TxD+

RS

CL

TxD-

RS

CL

3.6V

1.5KΩ

CL = 200pF to 600pF

Figure 4-4.

Differential Data Jitter

TPERIOD

DIFFERENTIAL

DATA LINES

CROSSOVER

POINTS

CONSECUTIVE

TRANSITIONS

N*TPERIOD+TXJR1

PAIRED

TRANSITIONS

N*TPERIOD+TXJR2

16 AT43301

1137J–USB–01/06

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