ZHCSOU0 February 2023 DS90UB635-Q1
PRODUCTION DATA
The power-up sequence for the DS90UB635-Q1 is as follows:
Figure 9-1 Power Supply Sequencing| PARAMETER | MIN | TYP | MAX | UNIT | NOTES | |
|---|---|---|---|---|---|---|
| T0 | VDD18 rise time | 0.05 | ms | at 10/90% | ||
| T1 | VDD18 to PDB | 0 | ms | After VDD18 is stable | ||
| T2 | PDB high time before PDB hard reset | 1 | ms | |||
| T3 | PDB high to low pulse width | 3 | ms | Hard reset (optional) | ||
| T4 | PDB to I2C Ready | 2 | ms | See Initialization Sequence: Synchronous Clocking Mode | ||