RE46C122 R&E International, Inc., RE46C122 Datasheet
![no-image](/images/no-image-200.jpg)
RE46C122
Available stocks
Related parts for RE46C122
RE46C122 Summary of contents
Page 1
... RE46C122 CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode Product Specification General Description The RE46C122 is low power CMOS ionization type smoke detector IC. With few external components this circuit will provide all the required features for an ionization type smoke detector. ...
Page 2
... A 13 SET1 3 SET2 Facsimile 610.992.0734 R&E International Limits Min Typ Max Units 6 6.2 4 4.5 V 4.5 2 2.5 V -0.75 pA -1.50 pA -50 uA 0. 150 6 - 7.2 7.5 7.8 V 48 E-mail: rande@randeint.com DS-RE46C122-121806 ...
Page 3
... kΩ 90 130 170 mV Limits Min Typ Max Units 1.34 1. 37.5 41.5 45.8 mS 9.4 10.5 12.9 mS 9.4 10 450 500 550 mS 9.4 10.5 12.9 mS 450 500 550 mS 1.35 1.5 1. 1.34 1.67 2 450 mS .450 2 Min E-mail: rande@randeint.com DS-RE46C122-121806 ...
Page 4
... RE46C122 CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode Product Specification Telephone 610.992.0727 Page This datasheet contains PROPRIETARY and CONFIDENTIAL information. Functional Block Diagram Facsimile 610.992.0734 R&E International E-mail: rande@randeint.com DS-RE46C122-121806 ...
Page 5
... During this 10 minute period the open drain NMOS on pin 4 (TSTROBE) is strobed on with the internal clock. A resistor connected to this pin could be used to modify the detector sensitivity for the timer period. Telephone 610.992.0727 Page This datasheet contains PROPRIETARY and CONFIDENTIAL information. Facsimile 610.992.0734 R&E International E-mail: rande@randeint.com DS-RE46C122-121806 ...
Page 6
... C2 should be located as close as possible to the device power pins. Route the pin 8 PC board trace away from pin 7 to avoid coupling. Telephone 610.992.0727 Page This datasheet contains PROPRIETARY and CONFIDENTIAL information. Typical Application Figure 2 Facsimile 610.992.0734 R&E International E-mail: rande@randeint.com DS-RE46C122-121806 ...
Page 7
... C2 should be located as close as possible to the device power pins. Route the pin 8 PC board trace away from pin 7 to avoid coupling. Telephone 610.992.0727 Page This datasheet contains PROPRIETARY and CONFIDENTIAL information. Typical Single Button Application Figure 3 Facsimile 610.992.0734 R&E International E-mail: rande@randeint.com DS-RE46C122-121806 ...
Page 8
... IODLY2 Horn pattern not self completing for external alarm,see timing below for complete horn cycle T HOF2 Facsimile 610.992.0734 R&E International Alarm; Low Battery No Alarm; Low Battery Pin 15 > Pin 13 Low Battery Warning Chirp LED supressed in remote alarm mode E-mail: rande@randeint.com DS-RE46C122-121806 ...
Page 9
... CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode Product Specification Oscillator 10.5mS Internal Clock TSTART T LOF3 LED Outputs High Z TSTROBE Telephone 610.992.0727 Page This datasheet contains PROPRIETARY and CONFIDENTIAL information. Timing Diagram (Timer Mode) 1.67S T TPER Facsimile 610.992.0734 R&E International E-mail: rande@randeint.com DS-RE46C122-121806 ...
Page 10
... A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness. Telephone 610.992.0727 Page This datasheet contains PROPRIETARY and CONFIDENTIAL information. Facsimile 610.992.0734 R&E International E-mail: rande@randeint.com DS-RE46C122-121806 ...