ATF2500C datasheet(1/20 Pages) ATMEL

Part #	ATF2500C

Description	ATF2500C CPLD Family Datasheet

PDF	20 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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1 / 20 page

1

Features

• High-performance, High-density, Electrically-erasable Programmable Logic Device

• Fully Connected Logic Array with 416 Product Terms

• 15 ns Maximum Pin-to-pin Delay for 5V Operation

• 24 Flexible Output Macrocells

– 48 Flip-flops – Two per Macrocell

–72 Sum Terms

– All Flip-flops, I/O Pins Feed in Independently

• D- or T-type Flip-flops

• Product Term or Direct Input Pin Clocking

• Registered or Combinatorial Internal Feedback

• Backward Compatible with ATV2500B/BQ and ATV2500H Software

• Advanced Electrically-erasable Technology

– Reprogrammable

– 100% Tested

• 44-lead Surface Mount Package and DIP Package

• Flexible Design: Up to 48 Buried Flip-flops and 24 Combinatorial Outputs

Simultaneously

• 8 Synchronous Product Terms

• Individual Asynchronous Reset per Macrocell

• OE Control per Macrocell

• Functionality Equivalent to ATV2500B/BQ and ATV2500H

• 2000V ESD Protection

• Security Fuse Feature to Protect the Code

• Commercial and Industrial Temperature Range Offered

• 10 Year Data Retention

• Pin Keeper Option

• 200 mA Latch-up Immunity

Block Diagram

ATF2500C

CPLD Family

Datasheet

ATF2500C

Rev. 0777I–PLD–4/03

Pin Configurations

Pin Name

Function

IN

Logic Inputs

CLK/IN

Pin Clock and Input

I/O

Bi-directional Buffers

I/O 0,2,4...

“Even” I/O Buffers

I/O 1,3,5...

“Odd” I/O Buffers

GND

Ground

VCC

+5V Supply

DIP

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

CLK/IN

IN

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

VCC

I/O17

I/O16

I/O15

I/O14

I/O13

I/O12

IN

I/O6

I/O7

I/O8

I/O9

I/O10

I/O11

GND

I/O23

I/O22

I/O21

I/O20

I/O19

I/O18

IN

PLCC/LCC/JLCC

7

8

9

10

11

12

13

14

15

16

17

39

38

37

36

35

34

33

32

31

30

29

I/O2

I/O3

I/O4

I/O5

VCC

I/O17

I/O16

I/O15

I/O14

I/O13

I/O7

I/O8

I/O9

I/O10

I/O11

GND

I/O23

I/O22

I/O21

I/O20

Note:

(PLCC/LCC/JLCC packages) pin 4 and pin 26

GND connections are not required, but are rec-

ommended for improved noise immunity.

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