Test

Limits

Characteristic

Symbol

Test Conditions

Pin

Min.

Typ.

Max.

Units

Strobe Pulse Period

No Local or Remote Smoke

4

9

9.6

–

11.9

s

After 1 of 3 Valid Samples

4

9

2.42

2.70

2.96

s

After 2 of 3 Valid Samples

4

9

1.21

1.34

1.47

s

and During Local Alarm

Remote Alarm

4

9

9.67

10.8

11.8

s

Chamber Test or Low Supply

4

9

38.9

–

47.1

s

Test, No Local Alarm

Pushbutton Test, No Alarm

4

9

300

336

370

ms

Strobe Pulse Width

4

9

9.5

–

11.5

ms

No Local or Remote Smoke

6

9

9.6

–

11.9

s

After 1 of 3 Valid Samples

6

9

2.42

2.70

2.96

s

After 2 of 3 Valid Samples

6

9

1.21

1.34

1.47

s

and During Local Alarm

Remote Alarm

6

9

9.67

10.8

11.8

s

Chamber Test, No Local Alarm

6

9

38.9

–

47.1

s

Pushbutton Test, No Alarm

6

9

300

336

370

ms

6

9

94

–

116

µs

10% to 90%

6

–

–

30

µs

90% to 10%

6

–

–

200

µs

I/O to Active Delay

Local Alarm

7

9–0–

s

Rising Edge on I/O to Alarm

No Local Alarm

7

9

–

–

1.34

s

Horn Warning Pulse Period

Low Supply and Degraded

8, 9

9

38.9

–

47.1

s

Chamber Sensitivity

Horn Warning Pulse Width

Low Supply and Degraded

8, 9

9

9.5

–

11.5

ms

Chamber Sensitivity

Horn ON Time

Local or Remote Alarm

8, 9

9

–

252

–

ms

Horn OFF Time

Local or Remote Alarm

8, 9

9

–

84

–

ms

AC ELECTRICAL CHARACTERISTICS, continued.

* Limits over the operating temperature range are based on characterization data.

Characteristics are production tested at +25

°C only.

Typical values are at +25

°C and are given for circuit design information only.

5358

PHOTOELECTRIC SMOKE DETECTOR

with INTERCONNECT and TIMER