Hardware Hacking

MC145018 Description
Ionization Smoke Detector IC with Interconnect and Temporal Horn Driver
MC145018 Vendor
Freescale (Motorola)
MC145018 Categories
Smoke Detector ICs

MC145018 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
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

MC145017 Description
Ionization Smoke Detector IC with Temporal Pattern Horn Driver
MC145017 Vendor
Freescale (Motorola)
MC145017 Categories
Smoke Detector ICs

MC145017 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
Supports NFPA 72, ANSi 53.41, and ISO 8201 Audible Emergency Evacuation Signals

MC145012 Description
Photoelectric Smoke Detector IC with I/O and Temporal Pattern Horn Driver
MC145012 Vendor
Freescale (Motorola)
MC145012 Categories
Smoke Detector ICs

MC145012 Features
Circuit is designed to operate in smoke detector systems that comply with UL217 and UL268 Specifications
Operating Voltage Range: 6 to 12 V
Operating Temperature Range: –10 to 60°C
Average Supply Current: 8 µA
I/O Pin Allows Units to be Interconnected for Common Signalling
Power–On Reset Places IC in Standby Mode (Non–Alarm State)
Electrostatic Discharge (ESD) and Latch Up Protection Circuitry on All Pins
Chip Complexity: 2000 FETs, 12 NPNs, 16 Resistors, and 10 Capacitors
Supports NFPA 72, ANSI S3.41, and ISO 8201 Audible Emergency Evacuation Signals
Ideal for battery–powered applications

MC145011 Description
Photoelectric Smoke Detector IC with I/O
MC145011 Vendor
Freescale (Motorola)
MC145011 Categories
Smoke Detector ICs

MC145011 Features
Operating Voltage Range: 6 to 12 V
Operating Temperature Range: –10 to 60°C
Average Standby Supply Current (Visible LED Illuminated): 20 mA
Power–On Reset Places IC in Standby Mode (Non–Alarm State)
Electrostatic Discharge (ESD) and Latch Up Protection Circuitry on All Pins
Chip Complexity: 2000 FETs, 12 NPNs, 16 Resistors, and 10 Capacitors

MC145010 Description
Photoelectric Smoke Detector IC with I/O
MC145010 Vendor
Freescale (Motorola)
MC145010 Categories
Smoke Detector ICs

MC145010 Features
Circuit is designed to operate in smoke detector systems that comply with UL217 and UL268 Specifications
Operating Voltage Range: 6 to 12 V
Operating Temperature Range: –10 to 60°C
Average Supply Current: 12 µA
Power–On Reset Places IC in Standby Mode (Non–Alarm State)
Electrostatic Discharge (ESD) and Latch Up Protection Circuitry on All Pins
Chip Complexity: 2000 FETs, 12 NPNs, 16 Resistors, and 10 Capacitors
Ideal for battery powered applications