Datasheet > MC14467P-1

MC14467P-1

更新时间： 2022-11-24 21:46:43

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
8页	229K
描述
Low-Power CMOS Ionization Smoke Detector IC

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MC14467P-1 数据手册

MC14467-1

Rev 4, 05/2005

Freescale Semiconductor

Technical Data

MC14467-1

Low-Power CMOS

Ionization Smoke Detector IC

The MC14467-1, when used with an ionization chamber and a small number

of external components, will detect smoke. When smoke is sensed, an alarm is

sounded via an external piezoelectric transducer and internal drivers. This circuit

is designed to operate in smoke detector systems that comply with UL217 and

UL268 specifications.

LOW-POWER CMOS

IONIZATION

SMOKE DETECTOR IC

Features

•

Ionization Type with On-Chip FET Input Comparator

Piezoelectric Horn Driver

Guard Outputs on Both Sides of Detect Input

Input-Production Diodes on the Detect Input

Low-Battery Trip Point, Internally Set, can be Altered Via External Resistor

Detect Threshold, Internally Set, can be Altered Via External Resistor

Pulse Testing for Low Battery Uses LED for Battery Loading

Comparator Outputs for Detect and Low Battery

Internal Reverse Battery Protection

P SUFFIX

16-LEAD PLASTIC DIP

CASE 648-08

ORDERING INFORMATION

Device

Case No.

Package

Detect

Comp. OUT

Guard Hi-z

MC14467P1

648-08

Plastic Dip

N/C

Detect Input

Guard Lo-z

Sensitivity Set

Osc Capacitor

Silver

Low V Set

Low V

Comp. OUT

LED

V_DD

Timing

Resistor

Brass

V_SS

Feedback

Figure 1. Pin Connections

12 3 4 5 6 7 8

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