CS235 Datasheet, PDF (4/6 Pages) Cherry Semiconductor Corporation – System Photoelectric Smoke Detector

Timing Diagram Out of Alarm
Timing Diagrams
Timing Diagram In Alarm
20ms ^{Power Up}
20ms
Gate (Clock)
10ms
3.5KHz
Oscillator/
LED Driver
Comp. Ref.
10 Sec.
Comp. Ref.
Level
Detector Output
Data Input (low)
Alarm Enable (low)
Preset
2 Sec.
20ms ^{Power Up}
Gate (Clock)
10ms
3.5KHz
Oscillator/
LED Driver
Comp. Ref.
Comp. Ref.
Level
Detector Output
Data Input
Alarm Enable
Preset
4