Register ac characteristics, product term clock, Ac waveforms(1) combinatorial outputs and feedback, Atv2500b(q)(l) – Rainbow Electronics ATV2500BQL User Manual
Page 9: Ac waveforms, Co mbinatorial outputs and feedback
Advertising
ATV2500B(Q)(L)
9
AC Waveforms
Combinatorial Outputs and Feedback
Note:
1. Timing measurement reference is 1.5V. Input AC driving levels are 0.0V and 3.0V, unless otherwise specified.
Register AC Characteristics, Product Term Clock
Symbol
Parameter
-12
-15
-20
-25
-30
Units
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
t
COA
Clock to Output
12
15
20
22
25
ns
t
CFA
Clock to Feedback
3
7
5
12
10
16
12
18
13
20
ns
t
SIA
Input Setup Time
4
5
10
15
19
ns
t
SFA
Feedback Setup Time
4
5
8
10
10
ns
t
HA
Hold Time
3
5
10
12
13
ns
t
WA
Clock Width
5.5
7.5
11
14
15
ns
t
PA
Clock Period
11
15
22
28
30
ns
F
MAXA
External Feedback 1/(t
SIA
+ t
COA
)
62.5
50
33
27
23
MHz
Internal Feedback 1/(t
SFA
+ t
CFA
)
90
58
38
36
24
MHz
No Feedback 1/(t
PS
)
90
66
45
36
33
MHz
t
ARA
Asynchronous Reset/Preset
Recovery Time
3
8
12
15
18
ns
Advertising