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ELM365 - Security System Controller

Datasheet Summary

Description

The ELM365 provides all of the logic necessary for a complete security system in an 8 pin package.

The circuit is capable of monitoring two normally closed input loops and one normally open panic circuit, provides a constant level and a pulsing alarm output, and the logic to drive a status LED.

Features

  • Low power CMOS design - typically 1mA at 5V.
  • Wide supply range - 3.0 to 5.5 volt operation.
  • Simultaneous monitoring of three circuits.
  • 45 second delay for entry and exit.
  • Automatic reset of alarm outputs after 5 minutes.
  • Status LED output driver.
  • High current drive outputs - up to 25 mA.
  • Panic input for instant triggering of the alarm Connection Diagram PDIP and SOIC (top view) VDD 1 OutP 2 OutC 3 panic 4 8 VSS 7 DLoop 6.

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Datasheet preview – ELM365

Datasheet Details

Part number ELM365
Manufacturer ELM Electronics
File Size 22.50 KB
Description Security System Controller
Datasheet download datasheet ELM365 Datasheet
Additional preview pages of the ELM365 datasheet.

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Full PDF Text Transcription

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ELM365 Security System Controller Description The ELM365 provides all of the logic necessary for a complete security system in an 8 pin package. The circuit is capable of monitoring two normally closed input loops and one normally open panic circuit, provides a constant level and a pulsing alarm output, and the logic to drive a status LED. Internal timers are provided for alarm blocking during zone entry and exit as well as circuit resetting, should alarms go unacknowledged. Debouncing of all of the inputs is also provided internally, to allow for the direct interfacing to mechanical switches. Due to the digital techniques employed, no external support components are required for any of the timing functions, resulting in considerable cost savings over other designs.
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