Xilinx Symbol Parameter Min Max, PCI32 Interface Timing Parameters, 66 MHz Implementations

PCI32 Interface v3.0

Table 4: Timing Parameters, 66 MHz Implementations

Symbol	Parameter	Min	Max
T	CLK Cycle Time	151	30
cyc
Thigh	CLK High Time	6	-
Tlow	CLK Low Time	6	-
T	CLK to Signal Valid Delay	22	62
	(bussed signals)
val
T	CLK to Signal Valid Delay	22	62
	(point to point signals)
val
T	Float to Active Delay	22	-
on
T	Active to Float Delay	-	141
off
T	Input Setup Time to CLK	32,3	-
	(bussed signals)
su
T	Input Setup Time to CLK	52,3	-
	(point to point signals)
su
T	Input Hold Time from CLK	02,3	-
h
Trstoff	Reset Active to Output Float	-	40

Notes

1.Controlled by timespec constraints, included in product.

2.Controlled by SelectIO configured for PCI66_3.

3.Controlled by guide file, included in product.

Table 5: Timing Parameters, 33 MHz Implementations

Symbol	Parameter	Min	Max
T	CLK Cycle Time	301	-
cyc
Thigh	CLK High Time	11	-
Tlow	CLK Low Time	11	-
T	CLK to Signal Valid Delay	22	112
	(bussed signals)
val
T	CLK to Signal Valid Delay	22	112
	(point to point signals)
val
T	Float to Active Delay	22	-
on
T	Active to Float Delay	-	281
off
T	Input Setup Time to CLK	72	-
	(bussed signals)
su
T	Input Setup Time to CLK	102	-
	(point to point signals)
su
T	Input Hold Time from CLK	02	-
h
Trstoff	Reset Active to Output Float	-	40

Notes

1.Controlled by timespec constraints, included in product.

2.Controlled by SelectIO configured for PCI33_3 or PCI33_5.

DS206 August 31, 2005	www.xilinx.com	9
Product Specification v3.0.151