Motorola Master Selection Guide

Analog and Interface Integrated Circuits

4.10–3

Smoke Detectors (CMOS)

These smoke detector ICs require a minimum number of

external components. When smoke is sensed, or a low battery

voltage is detected, an alarm is sounded via an external

piezoelectric transducer. All devices are designed to comply

with UL specifications.

Table 1. Smoke Detectors (CMOS)

Fi

Rd d

Ui

Low

Pi

l

i

Complies

with

Di

S ffi /

Function

Recommended

Power Source

Unique

Feature

Low

Battery

Detector

Piezoelectric

Horn Driver

with

UL217

and UL268

Device

Number

Suffix/

Package

Ionization–Type

Sk D t

t

Battery

High Input Impedance

FET C

t

MC14467–1

P1/646

Smoke Detector

Line

FET Comparator

–

–

MC14578

P/648

Ionization–Type

Smoke Detector

Battery

MC14468

Smoke Detector

with Interconnect

Line

–

MC14470

Photoelectric–Type

Sk D t

t

Battery

Photo Amplifier

MC145010

P/648,

DW/751G

Smoke Detector

with Interconnect

Line

(1)

MC145011

DW/751G

with Interconnect

Battery

Photo Amplifier,

Tl P tt

MC145012

P/646,

DW/751G

Line

Temporal Pattern

(1)

MC145013

DW/751G

Ionization–Type

Smoke Detector

Battery

High Input Impedance

FET Comparator,

Temporal Pattern

MC145017

P/648

Ionization–Type

Smoke Detector with

Interconnect

Battery

Temporal Pattern

MC145018

(1) Low–supply detector.