ATF2500C Ver la hoja de datos (PDF) - Atmel Corporation
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ATF2500C Datasheet PDF : 24 Pages
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9.2 Output Logic, Registered(1)
9.3 Output Logic, Combinatorial(1)
S2 = 0
S1
S0
0
0
1
0
1
1
Terms in
D/T1
D/T2
8
4
12
4(1)
8
4
Output Configuration
Registered (Q1); Q2 FB
Registered (Q1); Q2 FB
Registered (Q1); D/T2 FB
Output
S3 Configuration
0
Active Low
1
Active High
S6
Q1 CLOCK
0
CK1
1
CK1 • PIN1
S4 Register 1 Type
0
D
1
T
S7
Q2 CLOCK
0
CK2
1
CK2 • PIN1
S5 Register 2 Type
0D
1T
S5
X
X
X
1
0
Note:
S2 = 1
Terms in
S1
S0 D/T1 D/T2 Output Configuration
0
0
4(1)
4
Combinatorial (8 Terms);
Q2 FB
0
1
4
4
Combinatorial (4 Terms);
Q2 FB
1
0
4(1)
4(1)
Combinatorial (12 Terms);
Q2 FB
1
1
4(1)
4
Combinatorial (8 Terms);
D/T2 FB
1
1
4
4
Combinatorial (4 Terms);
D/T2 FB
1. These four terms are shared with D/T1.
Figure 9-1. Clock Option
Note: 1. These diagrams show equivalent logic functions, not
necessarily the actual circuit implementation.
10 ATF2500C
0777K–PLD–1/24/08
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