PC8245 Datasheet, PDF (35/61 Pages) ATMEL Corporation – Integrated Processor Family

PC8245
Figure 17. PCI_HOLD_DEL Affect on Output Valid and Hold Time
PCI_SYNC_IN
12a, 8 ns for 33 MHz PCI
PCI_HOLD_DEL = 10
PCI INPUTS/OUTPUTS
33 MHz PCI
12a0, 5.5 ns for 66 MHz PCI
PCI_HOLD_DEL = 00
PCI INPUTS/OUTPUTS
66 MHz PCI
0Vdd/2
0Vdd/2
13a, 2.1 ns for 33 MHz PCI
PCI_HOLD_DEL = 10
13a0, 1 ns for 66 MHz PCI
PCI_HOLD_DEL = 00
PCI INPUTS
and OUTPUTS
As PCI_HOLD_DEL
values decrease
Note: Diagram not to scale
OUTPUT VALID
As PCI_HOLD_DEL
values increase
OUTPUT HOLD
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2171D–HIREL–06/04