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MC145018

Motorola
Part Number MC145018
Manufacturer Motorola
Description LONIZATION SMOKE DETECTOR IC WITH INTERCONNECT AND TEMPORAL HORN DRIVER
Published Apr 26, 2005
Detailed Description MOTOROLA SEMICONDUCTOR TECHNICAL DATA Freescale Semiconductor, Inc. Order this document by MC145018/D MC145018 Low–P...
Datasheet PDF File MC145018 PDF File

MC145018
MC145018

Overview
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Freescale Semiconductor, Inc.
Order this document by MC145018/D MC145018 Low–Power CMOS Ionization Smoke Detector IC with Interconnect and Temporal Horn Driver Freescale Semiconductor, Inc.
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The MC145018, 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.
• Ionization Type with On–Chip FET Input Comparator • Piezoelectric Horn Driver • Guard Outputs on Both Sides of Detect Input • Input–Protection 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 Output for Detect • Internal Reverse Battery Protection • Strobe Output for External Trim Resistors • I/O Pin Allows Up to 40 Units to be Connected for Common Signaling • Supports NFPA 72, ANSi 53.
41, and ISO 8201 Audible Emergency Evacuation Signals • Power–On Reset Places IC in Standby Mode Detect Comp.
Out I/O Low V Set Strobe Out LED VDD Timing Resistor Feedback 16 1 P SUFFIX PLASTIC DIP CASE 648–08 ORDERING INFORMATION MC145018P PLASTIC DIP PIN ASSIGNMENT (16 PIN DIP) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Guard Hi–Z Detect Input Guard Lo–Z Sensitivity Set Osc Capacitor Silver Brass VSS MAXIMUM RATINGS* (Voltages referenced to VSS) Rating DC Supply Voltage Input Voltage, All Inputs Except Pin 8 DC Current Drain per Input Pin, Except Pin 15 = 1 mA DC Current Drain per Output Pin Operating Temperature Range Storage Temperature Range Reverse Battery Time Symbol VDD Vin I I TA Tstg tRB *0.
25 to VDD + 0.
25 10 *0.
5 to + 15 30 Value Unit V V mA mA °C °C s *10 to + 60 *55 to + 125 5.
0 * Maximum Ratings are those...


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