IDEx_IRQ
t1
t2
IRQx
FIGURE 22 - IRQ TIMING
NAME
DESCRIPTION
MIN
t1 IDE_IRQ Low-High Edge to IRQ Low-High
Edge Propagation Delay. Edge High Type
Interrupt Selected.
t2 IDE_IRQ High-Low Edge to IRQ High-Low
Edge Propagation Delay. Edge High Type
Interrupt Selected.
TYP MAX UNITS
30
ns
30
ns
Note: IDE IRQ input and pass-through IRQ timing
Definition: IDE_ IRQ is the Interrupt request input from an IDE Hard Drive which is defined as a
low to high edge type interrupt held high until the interrupt is serviced.
253