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Rainbow Electronics ATV2500BQL User Manual

Pin configurations, Features, Block diagram

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1

Note:

For ATV2500BQ and
ATV2500BQL (PLCC/LCC
package only) pin 4 and
pin 26 connections are not
required.

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

Features

High-performance, High-density Programmable Logic Device

– Typical 7 ns Pin-to-pin Delay
– Fully Connected Logic Array with 416 Product Terms

Flexible Output Macrocell

– 48 Flip-flops – Two per Macrocell
– 72 Sum Terms
– All Flip-flops, I/O Pins Feed in Independently
– Achieves Over 80% Gate Utilization

Enhanced Macrocell Configuration Selections

– D- or T-type Flip-flops
– Product Term or Direct Input Pin Clocking
– Registered or Combinatorial Internal Feedback

Several Power Saving Options

Backward Compatible with ATV2500H/L Software

Proven and Reliable High-speed UV EPROM Process

Reprogrammable – Tested 100% for Programmability

40-lead Dual-in-line and 44-lead Surface Mount Packages

Block Diagram

Device

I

CC

, Standby

ATV2500B

110 mA

ATV2500BQ

30 mA

ATV2500BL

2 mA

ATV2500BQL

2 mA

Rev. 0249J–05/00

High-speed
High-density
UV-erasable
Programmable
Logic Device

ATV2500B
ATV2500BQ
ATV2500BQL

LCC/PLCC

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

VCC

I/O17

I/O16

I/O15

I/O14

I/O13

I/O7

I/O8

I/O9

I/O10

I/O11

GND

GND

I/O23

I/O22

I/O21

I/O20

6

5

4

3

2

1

44

43

42

41

40

18

19

20

21

22

23

24

25

26

27

28

I/O12

IN

IN

IN

IN

IN

IN

IN

GND

I/O18

I/O19

I/O1

I/O0

GND

IN

IN

CLK/IN

IN

IN

IN

IN

I/O06

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

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

IN

IN

IN

IN

IN

IN

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

IN

IN