RE46C146 데이터 시트보기 (PDF) - R and E International, Inc.

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RE46C146

CMOS Photoelectric Smoke Detector ASIC with Intelligent Interconnect and Timer Mode

R and E International, Inc. 

RE46C146

CMOS Photoelectric Smoke Detector ASIC with Intelligent IO and Timer Mode

Preliminary Product Specification

R&E International

AC Electrical Characteristics at TA =-25° to 75°, VDD=9V, VSS=0V, Component Values from Figure 2 ;

R9=100KΩ, R12=10MΩ, C5= 1.5nF(unless otherwise noted)

Parameter

Oscillator Period

LED and STROBE On Time

LED Period

STROBE and IRED Pulse

Period

IRED On Time

Horn On Time

Horn Off Time

IO Delay

IO Pulse on Time for CO

Alarm

IO Pulse Off Time for CO

Alarm

IO Charge Dump Duration

Remote Alarm Delay

Timer Period

Symbol

TPOSC

TON1

TPLED1

TPLED2

TPLED3

TPLED4

TPER1

TPER1A

TPER1B

TPER2

TPER3

TPER4

TON2

THON1

THON2

THON3

THOF1

THOF2

THOF3

THOF4

THOF5

TIODLY1

TIOPW1

TIOTO1

TIODMP

TIODLY2

TTPER

Test

Pin

12

11,4

11

11

11

11

4

4

4

4

4

4

6

8,9

8,9

8,9

8,9

8,9

8,9

8,9

8,9

7

7

7

7

7

Test Conditions

No Alarm Condition

Operating

Standby, No Alarm

Local Alarm Condition

Timer Mode, No Local Alarm

Remote Alarm Only

Standby, No Alarm

Standby, After 1 Valid Smoke

Sample

Standby, After 2 Consecutive Valid

Smoke Samples

In Local Alarm – (3 Consecutive

Valid Smoke Samples)

In Remote Alarm

Pushbutton Test

Operating

Operating, Alarm Condition, Note 1

Low Battery or Failed Chamber

Test , No Alarm

Operating, CO Interconnect Alarm

Condition, Note 1

Operating, Alarm Condition, Note 1

Operating, Alarm Condition, Note 1

Low Battery or Failed Chamber

Test, No Alarm

Operating, CO Interconnect Alarm

Condition, Note 1

Operating, CO Interconnect Alarm

Condition, Note 1

From Start of Local Alarm to IO

Active

No local alarm, 2 valid pulses

required for CO

IO=low

At Conclusion of Local Alarm or

Test

No Local Alarm, From IO Active to

Alarm

No Alarm Condition

Note 1 – See timing diagram for smoke alarm Horn Temporal Pattern

Typical values are for design information and are not guaranteed.

Limits over the specified temperature range are not production tested and are based on characterization data.

Limits

Min Typ Max

9.45 10.5 11.55

9.45 10.5 11.55

39

43

48

.45

.5

.55

9.6 10.75 11.9

LED IS NOT ON

9.45 10.5 11.55

Units

mS

mS

S

S

S

S

S

1.8

2

2.2

S

.9

1

1.1

S

.9

1

1.1

S

7.2

8

8.9

S

300 336 370 mS

94

104 115

uS

450 500 550 mS

9.45 10.5 11.55 mS

90

100 110

mS

450 500 550 mS

1.35 1.5 1.65

S

39

43

48

S

90

100 110

mS

4.59 5.1 5.61

S

0

S

46.2

450 mS

3.7

S

1.2 1.35 1.5

S

1.05 1.5

2.0

S

8

10

12

Min

Telephone 610.992.0727

Facsimile 610.992.0734

E-mail: rande@randeint.com

Page 4 of 12

DS-RE46C146-060605

This datasheet contains PROPRIETARY and CONFIDENTIAL information.

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