Cypress CY7C6431x, CY7C64345, CY7C6435x - page 19

CY7C6431x
CY7C64345, CY7C6435x
Document Number: 001-12394 Rev *G Page 19 of 28
Table 15.AC Characteristics – USB Data Timings
Symbol Description Conditions Min Typ Max Units
Tdrate Full speed data rate Average bit rate 9 12 15 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 –14ns
Table 16.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 90.00 – 111.1 %
Vcrs Output signal crossover voltage 1.3 – 2.0 V
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