MCZ14467EG FREESCALE [Freescale Semiconductor, Inc], MCZ14467EG Datasheet

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MCZ14467EG

Manufacturer Part Number
MCZ14467EG
Description
Low-Power CMOS Ionization Smoke Detector IC
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MCZ14467EG.pdf (9 pages)
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2007. All rights reserved.
Low-Power CMOS
Ionization Smoke Detector IC
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.
Features
•
•
•
•
•
•
•
•
•
•
The MC14467-1, when used with an ionization chamber and a small
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
Pb-Free Packaging Designated by Suffix Code ED and EG
MCZ14467EG/R2
MC14467ED1
MC14467P1
Device
ORDERING INFORMATION
Case No.
751G-04
648-08
Plastic Dip
Package
SOICW
DETECT
COMP. OUT
LOW V SET
COMP. OUT
FEEDBACK
RESISTOR
TIMING
LOW V
PLASTIC DIP
COMP. OUT
COMP. OUT
VDD
CASE 648-08
N/C
LOW V SET
LED
RESISTOR
FEEDBACK
ED SUFFIX
(PB-FREE)
Figure 1. Pin Connections
P SUFFIX
DETECT
16-LEAD
TIMING
LOW V
SMOKE DETECTOR IC
VDD
LED
N/C
LOW-POWER CMOS
MC14467-1
1
2
4
5
6
3
7
8
IONIZATION
1
2
3
4
5
6
7
8
CASE 751G-04
16
15
14
13
12
11
10
9
EG SUFFIX
Rev 5.0, 3/2007
(PB-FREE)
16-LEAD
16
14
15
13
12
10
11
SOICW
9
GUARD HI-Z
DETECT INPUT
GUARD LO-Z
SENSITIVITY SET
OSC CAPACITOR
SILVER
BRASS
VSS
MC14467-1
DETECT INPUT
SENSITIVITY
SET
GUARD HI-Z
GUARD LO-Z
SILVER
BRASS
OSC
CAPACITOR
VSS

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MCZ14467EG Summary of contents

Page 1

... Internal Reverse Battery Protection • Pb-Free Packaging Designated by Suffix Code ED and EG ORDERING INFORMATION Device Case No. MC14467P1 648-08 MC14467ED1 MCZ14467EG/R2 751G-04 © Freescale Semiconductor, Inc., 2007. All rights reserved. ED SUFFIX (PB-FREE) PLASTIC DIP CASE 648-08 Package COMP. OUT Plastic Dip LOW V SET SOICW COMP ...

Page 2

1045 K 13 1125 K (1) Table 1. Maximum Ratings (Voltages referenced Rating DC Supply Voltage Input Voltage, All Inputs Except Pin 8 DC Current Drain per Input ...

Page 3

Table 2. Recommended Operating Conditions (Voltages referenced Parameter Supply Voltage Timing Capacitor Timing Resistor Battery Load (Resistor or LED) Table 3. Electrical Characteristics ° (Voltages referenced Characteristic Operating ...

Page 4

Table 4. Timing Parameters µ 0 8.2 MΩ 9 bias DD Characteristics Oscillator Period Oscillator Rise Time Horn Output (During Smoke) LED Output Horn Output (During Low Battery) 1. Data labelled ...

Page 5

Timing The internal oscillator of the MC14467-1 operates with a period of 1.67 seconds during no-smoke conditions. Each 1.67 seconds, internal power is applied to the entire IC and a check is made for smoke, except during LED pulse, Low ...

Page 6

Standby No Smoke/ No Low Battery OSCILLATOR (Pin 12) DETECT OUT (Pin 1) LOW BATTERY OUT (Pin 4) HYSTERESIS (Internal) (Pins 13 & 14) SAMPLE (Internal) Smoke HORN (Pins 10 & 11) LED (Pin 5) 24 Clock Cycles (40 s) ...

Page 7

Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 648-08 ISSUE T 16-LEAD PLASTIC DIP MC14467-1 7 ...

Page 8

MC14467-1 8 PACKAGE DIMENSIONS CASE 751G-04 ISSUE F 16-LEAD SOICW Sensors Freescale Semiconductor ...

Page 9

How to Reach Us: Home Page: www.freescale.com Web Support: http://www.freescale.com/support USA/Europe or Locations Not Listed: Freescale Semiconductor, Inc. Technical Information Center, EL516 2100 East Elliot Road Tempe, Arizona 85284 +1-800-521-6274 or +1-480-768-2130 www.freescale.com/support Europe, Middle East, and Africa: Freescale Halbleiter ...

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