FX3 datasheet(24/45 Pages) CYPRESS

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CYUSB301X

Document Number: 001-52136 Rev. *N

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AC Timing Parameters

GPIF II Timing

Figure 9. GPIF II Timing in Synchronous Mode

CT L (O U T)

CT L( IN)

tD H

tD S

tC LK

CLK

tC T LO

tC O E

Data(IN)

Data 1

(O U T)

tH Z

tLZ

tD O H

tC O H

tC LK H tC LK L

tLZ

Data 2

(O U T)

tC O

tD O H

D Q [31:0]

Table 9. GPIF II Timing Parameters in Synchronous Mode [4]

Parameter

Description

Min

Max

Units

Frequency

Interface clock frequency

–

100

MHz

tCLK

Interface clock period

–

tCLKH

Clock high time

–

tCLKL

Clock low time

–

CTL input to clock setup time

–

CTL input to clock hold time

0.5

–

tDS

Data in to clock setup time

–

tDH

Data in to clock hold time

0.5

–

tCO

Clock to data out propagation delay when DQ bus is already in

output direction

–8

tCOE

Clock to data out propagation delay when DQ lines change to

output from tristate and valid data is available on the DQ bus

-9

tCTLO

Clock to CTL out propagation delay

–

tDOH

Clock to data out hold

–

tCOH

Clock to CTL out hold

–

tHZ

Clock to high-Z

–

tLZ

Clock to low-Z

–

Note

4. All parameters guaranteed by design and validated through characterization.

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