ATF2500CL Register AC Characteristics, Input Pin Clock
-20
Symbol Parameter
Units
ns
Min
Max
11
6
tCOS
tCFS
tSIS
tSFS
tHS
Clock to Output
Clock to Feedback
Input Setup Time
Feedback Setup Time
Hold Time
0
14
14
0
ns
ns
ns
ns
tWS
tPS
Clock Width
7
ns
Clock Period
14
ns
External Feedback 1/(tSIS + tCOS
)
40
50
71
MHz
MHz
MHz
ns
FMAXS
Internal Feedback 1/(tSFS + tCFS
No Feedback 1/(tPS
Asynchronous Reset/Preset Recovery Time
)
)
tARS
15
ATF2500CL Register AC Characteristics, Product Term Clock
-20
Symbol Parameter
Units
ns
Min
Max
20
tCOA
tCFA
tSIA
tSFA
tHA
Clock to Output
Clock to Feedback
Input Setup Time
Feedback Setup Time
Hold Time
10
10
8
16
ns
ns
ns
10
11
22
ns
tWA
tPA
Clock Width
ns
Clock Period
ns
External Feedback 1/(tSIA + tCOA
)
33
38
45
MHz
MHz
MHz
ns
FMAXA
Internal Feedback 1/(tSFA + tCFA
)
No Feedback 1/(tPS
)
tARA
Asynchronous Reset/Preset Recovery Time
12
16
ATF2500CL
0777G–12/01
ATMEL [ ATMEL ]
