CC pins in PD mode |
Fbr_PD |
Bit Rate |
|
270 |
300 |
330 |
Kbps |
tUI_PD |
Unit Interval |
|
3.03 |
3.3 |
3.7 |
µs |
tRISE_PD |
Rise time |
10% to 90%; CRX(SHUNT) = 200pF |
300 |
|
|
ns |
tFALL_PD |
Fall time |
90% to 10%; CRX(SHUNT) = 200pF |
300 |
|
|
ns |
tRxFilter |
Rx Bandwidth limiting filter |
|
100 |
|
|
ns |
tInterFrameCap |
Time from the end of last bit of a frame until the state of the first bit of the next pre-amble |
|
25 |
|
50 |
µs |
tStartDrive |
Time before the start of the first bit of the preamble when the transmitter shall start driving the line. |
|
-1 |
|
1 |
µs |
tEndDriveBMC |
Time to cease driving the line after the end of the last bit of a frame |
|
|
|
23 |
µs |
tHoldLowBMC |
Time to cease driving the line after the final high-to-low transition |
|
1 |
|
23 |
µs |
nTransitionCount |
Transitions for signal detect |
Number of transitions to be detected to declare bus non-idle |
3 |
|
|
|
tFRSWAPTX |
Fast Role Swap request transmit duration |
|
60 |
|
120 |
µs |
I2C (SDA and SCL) |
fSCL |
SCL clock frequency |
|
0.001 |
|
1 |
MHz |
tHD;STA |
Hold time (repeated) start condition |
|
0.26 |
|
|
µs |
tLOW |
Low period of SCL |
|
0.5 |
|
|
µs |
tHIGH |
High period of SCL |
|
0.26 |
|
|
µs |
tSU;STA |
Setup time for a repeated start condition |
|
0.26 |
|
|
µs |
tHD;DAT |
Data Hold Time |
|
0 |
|
|
µs |
tSU;DAT |
Data setup time |
|
50 |
|
|
µs |
tSU;STOP |
Setup time for STOP condition |
|
0.26 |
|
|
µs |
tBUF |
Bus free time between STOP and START condition |
|
0.5 |
|
|
µs |
tVD;DAT |
Data valid time |
|
|
|
0.45 |
µs |
tVD;ACK |
Data valid acknowledge time |
|
|
|
0.45 |
µs |
tR_I2C |
Rise time of both SDA and SCL |
30% to 70% |
|
|
120 |
ns |
tF_I2C |
Fall time of both SDA and SCL |
70% to 30% |
14 |
|
120 |
ns |
VCONN Fault |
tVCONN_FAULT_DLY |
Delay from Vconn fault detected to Vconn fault status flag set |
|
|
|
20 |
µs |
tVCONN_OPEN |
Delay from Vconn fault detected to Vconn switch opened |
|
|
|
50 |
ns |
Power-Up Requirements |
tINT_N_LOW |
Time from VDD (min) to TUSB422 asserts INT_N low. |
Measured from VDD(min) to INT_N pin at VOL(min). |
|
|
4 |
ms |
tVDD_RISE |
VDD rise time |
Measured from 0V to VDD(min) |
|
|
40 |
ms |
Sampling timings |
tCC_SAMPLE_RATE |
Delay from Vconn fault detected to Vconn fault status flag set |
CC_SAMPLE_RATE = 2'b01 |
|
2 |
|
ms |
tVBUSINRATE |
The sampling interval of VBUS Voltage |
CC_SAMPLE_RATE = 2'b01 |
|
|
2.2 |
ms |