Specifications

Key to I/O Ready timing data (all times in nsec)
Label Parameter Mode 0 Mode 1
TA IORDY setup time — 35
TB IORDY pulse width — 1,250
DIOR–/DIOW–
IORDY
TBTA
Figure 13. I/O Ready (IORDY) timing
ATA Interface Reference Manual, Rev. C 67