ATF2500C Register AC Characteristics, Input Pin Clock
Symbol
tHS
tWS
tPS
FMAXS
tARS
Parameter
Hold Time
Clock Width
Clock Period
External Feedback 1/(tSIS + tCOS)
Internal Feedback 1/(tSFS + tCFS)
No Feedback 1/(tPS)
Asynchronous Reset/Preset Recovery Time
-15
Min
Max
0
6
12
52
71
83
12
-20
Min
Max
0
7
14
40
50
71
15
ATF2500C Register AC Characteristics, Product Term Clock
Symbol
tCOA
tCFA
tSIA
tSFA
tHA
tWA
tPA
FMAXA
tARA
Parameter
Clock to Output
Clock to Feedback
Input Setup Time
Feedback Setup Time
Hold Time
Clock Width
Clock Period
External Feedback 1/(tSIA + tCOA)
Internal Feedback 1/(tSFA + tCFA)
No Feedback 1/(tPS)
Asynchronous Reset/Preset Recovery Time
-15
Min
Max
15
5
12
5
5
5
7.5
15
50
58
66
8
-20
Min
Max
20
10
16
10
8
10
11
22
33
38
45
12
Units
ns
ns
ns
MHz
MHz
MHz
ns
Units
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
ns
12 ATF2500C
0777I–PLD–4/03