ATF2500C(2003) Просмотр технического описания (PDF) - Atmel Corporation

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Компоненты Описание

производитель

ATF2500C
(Rev.:2003)

ATF2500C CPLD Family Datasheet

Atmel Corporation 

Output Logic, Registered(1)

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

0D

1T

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.

Clock Option

Note: 1. These diagrams show equivalent logic functions, not

necessarily the actual circuit implementation.

8 ATF2500C Family

0777I–PLD–4/03

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