A5368 查看數據表（PDF） - Allegro MicroSystems

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产品描述 (功能)

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A5368

SMOKE DETECTOR WITH INTERCONNECT AND TIMER

Allegro MicroSystems 

5368

SMOKE DETECTOR

WITH INTERCONNECT

AND TIMER

V12

OSC. CAP

NO ALARM

NO LOW BATTERY

STANDBY MODE

1.67 s

10 ms

INTERNAL

CLOCK

24 CLOCK CYCLES

LED

SMOKE

COMPARATOR

LED OFF

LED

ON

SAMPLE

HORN

TIMING DIAGRAMS IN TYPICAL APPLICATION

NON-TIMER MODE

ALARM

NO LOW BATTERY

ALARM AND

LOW BATTERY

NO ALARM

LOW BATTERY

40 ms

19 CLOCK CYCLES

13 CLOCK

CYCLES

12 CLOCK 12 CLOCK

CYCLES

CYCLES

HORN

ON TIME

"A"

HORN

OFF TIME

"B"

24 CLOCK CYCLES

24 CLOCK CYCLES

36 CLOCK CYCLES

HORN OFF TIME

"C"

30 CLOCK CYCLES

LOW BATTERY

WARNING

SMOKE

CHAMBER

I/O

V15 > V13 (NO SMOKE)

V15 < V13 (SMOKE)

SHADED AND UNSHADED AREAS

ARE DIFFERENT TIME SCALES

73 CLOCK CYCLES

I/O CHARGE DUMP

V12

OSC. CAP

INTERNAL

CLOCK

TIMER

START

1.67 s

10 ms

TIMER MODE

368 CLOCK CYCLES

Dwg. WC-003-2

TIMER

OUT

LED

HORN

I/O

6 CLOCK CYCLES

LED

ON

I/O CHARGE DUMP

OUTPUTS OFF (HIGH Z)

END OF TIMER

NOTIFICATION

Dwg. WC-005-1

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

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