A5349CA ALLEGRO [Allegro MicroSystems], A5349CA Datasheet - Page 6

• Manufacturer Part Number: A5349CA
• Description: AC SMOKE DETECTOR WITH INTERCONNECT AND TIMER
• Manufacturer: ALLEGRO [Allegro MicroSystems]

COMPARATOR
INTERNAL
OSC. CAP
CLOCK
START
CHAMBER
TIMER
TIMER
INTERNAL
HORN
OSC. CAP
OUT
5349
AC SMOKE DETECTOR
with INTERCONNECT
and TIMER
SMOKE
SMOKE
V12
LED
CLOCK
HORN
LED
V12
V15 > V13 (NO SMOKE)
1.67 s
1.67 s
24 CLOCK CYCLES
SAMPLE
NO LOW BATTERY
STANDBY MODE
NO ALARM
LED ON
10 ms
10 ms
6 CLOCK CYCLES
ON
TIMING DIAGRAMS IN TYPICAL APPLICATION
40 ms
HORN
ON
12 CLOCK CYCLES
OFF
OFF
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
NO LOW BATTERY
NON-TIMER MODE
ALARM
TIMER MODE
368 CLOCK CYCLES
24 CLOCK CYCLES
V15 < V13 (SMOKE)
LED OFF
6 CLOCK
CYCLES
ON
6 CLOCK
CYCLES
LOW BATTERY
ALARM AND
OFF
30 CLOCK CYCLES
OUTPUTS OFF
LOW BATTERY
NO ALARM
END OF TIMER
NOTIFICATION
LOW BATTERY
WARNING
Dwg. WC-007
Dwg. WC-006