CYONS2000

Document Number: 001-44044 Rev. *G

Page 25 of 36

AC USB Specifications

The device includes an integrated full-speed USB block. Table 18 lists guaranteed maximum and minimum specifications for the entire

voltage and temperature ranges.

Table 18. AC Characteristics – USB Data Timing Specifications

Symbol

Description

Conditions

Min

Typ

Max

Units

Tdrate

Full speed data rate

Average bit rate

12–0.25%

12

12 + 0.25

MHz

Tdjr1

Receiver data jitter tolerance

To next transition

–18.5

–

18.5

ns

Tdjr2

Receiver data jitter tolerance

To pair transition

–9

–

9

ns

Tudj1

Driver differential jitter

To next transition

–3.5

–

3.5

ns

Tudj2

Driver differential jitter

To pair transition

–4.0

–

4.0

ns

Tfdeop

Source jitter for differential transition

To SE0 transition

–2

–

5

ns

Tfeopt

Source SE0 interval of EOP

160

–

175

ns

Tfeopr

Receiver SE0 interval of EOP

82

–

ns

Tfst

Width of SE0 interval during differential

transition

––

14

ns

Table 19. AC Characteristics – USB Driver

Symbol

Description

Conditions

Min

Typ

Max

Units

Tr

Transition rise time

50 pF

4

–

20

ns

Tf

Transition fall time

50 pF

4

–

20

ns

TR

Rise/fall time matching

0.8 V to 2.5 V

90

–

111

%

Vcrs

Output signal crossover voltage

1.3

–

2.0

V

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