Output logic, registered(1), Output logic, combinatiorial(1), Clock option – Rainbow Electronics ATF2500CQL User Manual
Page 7: Atf2500c family, Output logic, registered, Output logic, combinatiorial
7
ATF2500C Family
0777G–12/01
Output Logic, Registered
(1)
Output Logic, Combinatiorial
(1)
Note:
1. These diagrams show equivalent logic functions, not
necessarily the actual circuit implementation.
Note:
1. These four terms are shared with D/T1.
Clock Option
S2 = 0
Terms in
Output Configuration
S1
S0
D/T1
D/T2
0
0
8
4
Registered (Q1); Q2 FB
1
0
12
4
(1)
Registered (Q1); Q2 FB
1
1
8
4
Registered (Q1); D/T2 FB
S3
Output
Configuration
S6
Q1 CLOCK
0
Active Low
0
CK1
1
Active High
1
CK1 • PIN1
S4
Register 1 Type
S7
Q2 CLOCK
0
D
0
CK2
1
T
1
CK2 • PIN1
S5
Register 2 Type
0
D
1
T
S2 = 1
Terms in
Output Configuration
S5
S1
S0
D/T1
D/T2
X
0
0
4
(1)
4
Combinatorial (8 Terms);
Q2 FB
X
0
1
4
4
Combinatorial (4 Terms);
Q2 FB
X
1
0
4
(1)
4
(1)
Combinatorial (12 Terms);
Q2 FB
1
1
1
4
(1)
4
Combinatorial (8 Terms);
D/T2 FB
0
1
1
4
4
Combinatorial (4 Terms);
D/T2 FB