JAJSCC4A July 2016 – January 2024 DS90UB964-Q1
PRODUCTION DATA
The power-up sequence for the DS90UB964-Q1 is as follows:
PARAMETER | MIN | TYP | MAX | UNIT | NOTES | |
---|---|---|---|---|---|---|
tr0 | VDD18 / VDDIO rise time | 0.2 | ms | @10/90% | ||
tr1 | VDD11 rise time | 0.05 | ms | @10/90% | ||
t0 | VDD18 / VDDIO to VDD11 delay | 0 | ms | |||
t1 | VDDx to REFCLK delay | 0 | ms | Keep REFCLK low until all supplies are up and stable. | ||
t2 | VDDx to PDB delay | 0 | ms | Release PDB after all supplies are up and stable. | ||
t3 | PDB to I2C ready (IDX and MODE valid) delay | 2 | ms | |||
t4 | PDB pulse width | 2 | ms | Hard reset | ||
t5 | PDB to GPIO delay | 0 | ms | Keep GPIOs low or high until PDB is high. |