ZHCSJH7 March 2019 DS90UB940N-Q1
PRODUCTION DATA.
The power-up sequence for the DS90UB940N-Q1 is as follows:
PARAMETER | MIN | TYP | MAX | UNIT | NOTES | |
---|---|---|---|---|---|---|
tr0 | VDD33 / VDDIO rise time | 0.2 | ms | @10/90% | ||
tr1 | VDD12 rise time | 0.05 | ms | @10/90% | ||
t0 | VDD33 to VDDIO delay | 0 | ms | |||
t1 | VDD33 / VDDIO to VDD12 delay | 0 | ms | |||
t2 | VDDx to PDB delay | 0 | ms | Release PDB after all supplies are up and stable. | ||
t3 | PDB to I2C ready delay | 2 | ms | |||
t4 | PDB pulse width | 2 | ms | Hard reset | ||
t5 | Valid data on RIN± to VDDx delay | 0 | ms | Provide valid data from a compatible Serializer before power-up or apply reset as described in (1). | ||
t6 | PDB to GPIO delay | 2 | ms | Keep GPIOs low or high until PDB is high. |