MOTOROLA

4

MMQA Series

TYPICAL COMMON ANODE APPLICATIONS

A quad junction common anode design in a SC-59 pack-

age protects four separate lines using only one package.

This adds flexibility and creativity to PCB design especially

when board space is at a premium. A simplified example of

MMQA Series Device applications is illustrated below.

KEYBOARD

TERMINAL

PRINTER

ETC.

FUNCTIONAL

DECODER

I/O

A

MMQA SERIES DEVICE

GND

Computer Interface Protection

B

C

D

Microprocessor Protection

I/O

RAM

ROM

CLOCK

CPU

CONTROL BUS

ADDRESS BUS

DATA BUS

GND

VGG

VDD

MMQA SERIES DEVICE