RE46C167E16TF datasheet(8/30 Pages) MICROCHIP

Part #	RE46C167E16TF

Description	CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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8 / 30 page

RE46C165/6/7/8

DS22251A-page 8

 2010 Microchip Technology Inc.

Smoke Test Period

IRED and STROBE

TPER0

4, 6

9.6

10.7

11.7

s

1024

Standby, no alarm

TPER1

4, 6

1.8

2.0

2.2

s

192

RE46C165/7 only

Standby, 1 valid smoke sample

4, 6

2.4

2.7

2.9

s

256

RE46C166/8 only

Standby, 1 valid smoke sample

TPER2

4, 6

0.9

1.0

1.1

s

96

RE46C165/7 only

Standby, after 2 consecutive

valid smoke samples

4, 6

1.2

1.3

1.5

s

128

RE46C166/8 only

Standby, after 2 consecutive

valid smoke samples

TPER3

4, 6

0.9

1.0

1.1

s

96

RE46C165/7 only

Local Alarm – (3 consecutive

valid smoke samples)

4, 6

1.2

1.3

1.5

s

128

RE46C166/8 only

Local Alarm – (3 consecutive

valid smoke samples)

TPER4

4, 6

300

333

367

ms

32

Push button test

TPER5

4, 6

7.2

8.0

8.8

s

768

RE46C165/7 only

In remote alarm

4, 6

9.6

10.7

11.7

s

1024

RE46C166/8 only

In remote alarm

TPER6

4, 6

38

43

47

s

4096

Chamber test or low battery test,

no alarm

Horn Operation (HORNB,HORNS,FEED)

Alarm On Time

THON1

8, 9

450

500

550

ms

48

RE46C165/7 only

Local or remote alarm, Note 2

8, 9

225

250

275

ms

24

RE46C166/8 only

Local or remote alarm, Note 3

Alarm Off Time

THOF1

8, 9

450

500

550

ms

48

RE46C165/7 only

Local or remote alarm, Note 2

8, 9

75

83

92

ms

8

RE46C166/8 only

Local or remote alarm, Note 3

THOF2

8, 9

1.35

1.50

1.65

s

144

RE46C165/7 only

Local or remote alarm, Note 2

Alarm Period

THPER1

8, 9

3.60

4.00

4.40

s

384

RE46C165/7 only

Local or remote alarm, Note 2

8, 9

0.30

0.33

0.37

s

32

RE46C166/8 only

Local or remote alarm, Note 3

Low Battery

or Chamber Fail

Horn On Time

THON2

8, 9

9.4

10.4

11.5

ms

1

Low battery or fail chamber test,

no alarm

AC ELECTRICAL CHARACTERISTICS (CONTINUED)

AC Electrical Characteristics:

Unless otherwise indicated, all parameters apply at TA = -25° to 75°, VDD = 9V,

Typical Application (unless otherwise noted), VSS = 0V.

Parameter

Symbol

Test

Min

Typ

Max

Units

Clocks

Conditions

Note 1:

TPOSC and TIRON are 100% production tested. All other timing is verified by functional testing.

2:

See timing diagram for Horn Temporal Pattern in Figure 3-2.

3:

See timing diagram for Horn Continuous Pattern in Figure 3-3.

4:

During Timer mode, the LED Period is 10.5 seconds. The LED period will return to 43 seconds at the

conclusion of the Timer mode.

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