Philips Semiconductors Linear Products

Product specification

NE590/591

Addressable peripheral drivers

August 31, 1994

526

TYPICAL APPLICATIONS

590

Q0

Q1

Q2

Q3

Q0

Q5

Q6

Q7

+ 5V

+5V

+6V

4

CE

RL

NE590 Operating in Demultiplex Mode

Turn-On and Turn-Off Delays, Address-to-Output

NOTE:

A0, A1, A2, and CS may be connected to the address bus if permitted by system design.

NE590 Driving Simple Loads

µP

D

A2

A1

A0

590 1

D

A2

A1

A0

590/1

Q0

Q1

Q2

Q3

Q0

Q5

Q6

Q7

Q0

Q1

Q2

Q3

Q0

Q5

Q6

Q7

CLEAR

IQ

CONTROL

CE

CLR

CE

CLR

DATA

BUS

CS (591 ONLY)

CS (591 ONLY)

RELAY

LOAD

3–BIT

COUNTER

+5V

555

+5V

+5V

Q0

Q1

Q2

Q3

Q0

Q5

Q6

Q7

D

A0

A1

A2

CE

590

CLR