Description
TIMER START (PIN 1) An internal timer is provided that can be used in various configurations to allow for a period of reduced smoke detector sensitivity (“hush”).
Features
- Speed-Up Sampling Rate of 40 ms of Internal Clock Period (Pin 12) After First Detection of Smoke Timer Function for Reduced Sensitivity for a Nominal Period of 6.43 Minutes (10 Minutes Max) High-Smoke Detection in the “Reduced Sensitivity” Mode Internal and External Low Battery Threshold Internal and External Smoke Reference Settings Guaranteed Power Up Without Random LED and Horn Chirps Reversed.
MC14568 Datasheet
