NLSF2500

http://onsemi.com

2

Figure 1. Device Block Diagram

Figure 2. Circuit Schematic (1 Channel Pair Only)

A

B

IN

A

B

IN

A

B

IN

A

B

IN

A

B

IN

RR

RR

R

R

R

RR

R

R

R

GND

IN1

IN2

IN3

IN4

IN5

OUT1 OUT2 OUT3 OUT4 OUT5

OUTB

OUTA

GND

INx

Ax

Bx

N1

N2

PIN DESCRIPTION

Pin

Name

Function Description

1

NC

Not Internally Connected

2

OUTA

Combined “Functional OR” Output of IN1, IN2, and IN3

3

Supply Pin

4

IN1

Input 1 from Switch to be Multiplexed

5

IN2

Input 2 from Switch to be Multiplexed

6

IN3

Input 3 from Switch to be Multiplexed

7

IN4

Input 4 from Switch to be Multiplexed

8

IN5

Input 5 from Switch to be Multiplexed

9

NC

Not Internally Connected

10

GND

Ground

11

OUTB

Combined “Functional OR” Output of IN4 and IN5

12

OUT5

Output 5 for Keyboard Interface Lines

13

OUT4

Output 4 for Keyboard Interface Lines

14

OUT3

Output 3 for Keyboard Interface Lines

15

OUT2

Output 2 for Keyboard Interface Lines

16

OUT1

Output 1 for Keyboard Interface Lines