MC145018_ 查看數據表（PDF） - Motorola => Freescale
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MC145018_ Datasheet PDF : 4 Pages
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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
Table 1. Smoke Detectors (CMOS)
Function
Recommended
Power Source
Ionization–Type
Smoke Detector
Battery
Line
Ionization–Type
Smoke Detector
with Interconnect
Battery
Line
Photoelectric–Type
Smoke Detector
with Interconnect
Battery
Line
Battery
Line
Ionization–Type
Smoke Detector
Battery
Ionization–Type
Smoke Detector with
Interconnect
(1) Low–supply detector.
Battery
Unique
Feature
High Input Impedance
FET Comparator
Photo Amplifier
Photo Amplifier,
Temporal Pattern
High Input Impedance
FET Comparator,
Temporal Pattern
piezoelectric transducer. All devices are designed to comply
with UL specifications.
Low
Battery
Detector
–
Piezoelectric
Horn Driver
–
Complies
with
UL217
and UL268
Device
Number
Suffix/
Package
MC14467–1 P1/646
MC14578
P/648
MC14468
–
MC14470
MC145010 P/648,
(1)
MC145011 DW/751G
MC145012 P/646,
(1)
MC145013 DW/751G
MC145017 P/648
MC145018
Motorola Master Selection Guide
4.10–3
Analog and Interface Integrated Circuits
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