Low-Power CMOS Ionization Smoke Detector with Interconnect and Timer

The MC14568, 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 UL

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FREESCALEFreescale Semiconductor, Inc

飛思卡爾飛思卡爾半導(dǎo)體

Ionization Smoke Detector IC with Interconnect

Overview The MC14568, 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 \n?Ionization Type with On–Chip FET Input Comparator\n?Piezoelectric Horn Driver\n?Guard Outputs on Both Sides of Detect Input\n?Input–Production Diodes on the Detect Input\n?Low–Battery Trip Point, Internally Set, can be Altered Via External Resistor\n?Detect Threshold, Internally Set, can be Alter;

恩XP

Phase Comparator and Programmable Counters

The MC14568B consists of a phase comparator, a divide–by–4, 16, 64 or 100 counter and a programmable divide–by–N 4–bit binary counter (all positive–edge triggered) constructed with MOS P–channelandN–channel enhancement mode devices (complementary MOS) in a monolithic structure. TheMC14568B has bee

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MOTOROLA

摩托羅拉

SMD

愛普生

上傳：深圳市博浩通科技有限公司

SMD

EPSON

愛普生

上傳：深圳市瑞卓芯科技有限公司