Rainbow Electronics ATF2500CQL - Manual (Page 11)

11
ATF2500C
0777G–12/01
ATF2500C Register AC Characteristics, Input Pin Clock
Symbol Parameter
-10 -15
Units Min Max Min Max
t
COS
Clock to Output 5.5 10 ns
t
CFS
Clock to Feedback 0 2 0 5 ns
t
SIS
Input Setup Time 2 9 ns
t
SFS
Feedback Setup Time 2 9 ns
t
HS
Hold Time 0 0 ns
t
WS
Clock Width 3 6 ns
t
PS
Clock Period 8 12 ns
F
MAXS
External Feedback 1/(t
SIS
+ t
COS
) 75 52 MHz
Internal Feedback 1/(t
SFS
+ t
CFS
) 100 71 MHz
No Feedback 1/(t
PS
) 110 83 MHz
t
ARS
Asynchronous Reset/Preset Recovery Time 5 12 ns
ATF2500C Register AC Characteristics, Product Term Clock
Symbol Parameter
-10 -15
Units Min Max Min Max
t
COA
Clock to Output 10 15 ns
t
CFA
Clock to Feedback 2 5 5 12 ns
t
SIA
Input Setup Time 2 5 ns
t
SFA
Feedback Setup Time 2 5 ns
t
HA
Hold Time 1 5 ns
t
WA
Clock Width 3 7.5 ns
t
PA
Clock Period 9 15 ns
F
MAXA
External Feedback 1/(t
SIA
+ t
COA
) 75.5 50 MHz
Internal Feedback 1/(t
SFA
+ t
CFA
) 100 58 MHz
No Feedback 1/(t
PS
) 100 66 MHz
t
ARA
Asynchronous Reset/Preset Recovery Time 2 8 ns