RE46C144SW16F datasheet(5/26 Pages) MICROCHIP

5 / 26 page

 2009-2012 Microchip Technology Inc.

DS22180C-page 5

RE46C144

TABLE 1-1:

AC ELECTRICAL CHARACTERISTICS

AC Electrical Characteristics:

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

VSS = 0V, Component Values from Typical Application; R9 =100 K, R12 =10 M, C5 = 1.5 nF.

Parameter

Symbol

Test

Min

Typ

Max

Units

Conditions

Oscillator Period

TPOSC

9.4

10.5

11.5

No alarm condition

LED and

STROBE On Time

TON1

11, 4

9.4

10.5

11.5

Operating

LED Period

TPLED1

Standby, no alarm

TPLED2

.67

.74

Local alarm condition

TPLED3

9.6

10.75

11.8

Timer mode, no local alarm

TPLED4

LED IS NOT ON

Remote alarm only

STROBE and IRED

Pulse Period

TPER1

4, 6

9.6

10.75

11.8

Standby, no alarm

TPER1A

4, 6

2.42

2.7

2.96

Standby, after one valid smoke

sample

TPER1B

4, 6

1.21

1.33

1.47

Standby, after two consecutive

valid smoke samples

TPER2

4, 6

1.21

1.33

1.47

In Local Alarm (three consecu-

tive valid smoke samples)

TPER3

4, 6

9.7

10.5

11.8

In Remote Alarm

TPER4

4, 6

300

336

370

Push-button Test

TPER5

4, 6

Chamber Test or Low-battery

Test, no alarms

IRED On Time

TON2

104

115

µs

Operating

Horn On Time

THON1

8, 9

227

252

277

Operating, alarm condition,

Note 1

THON2

8, 9

9.5

10.5

11.5

Low Battery or Failed Chamber

Test, no alarm

Horn Off Time

THOF1

8, 9

Operating, Alarm Condition,

Note 1

THOF3

8, 9

Low Battery or Failed Chamber

Test, no alarm

IO Charge Dump

Duration

TIODMP

.91

1.46

At conclusion of local alarm or

test

IO Delay

TIODLY1

From start of local alarm to IO

Active

IO Filter

TIOFILT

600

IO pulse-width ensured to be

filtered. IO as input, no local

alarm

Remote Alarm Delay

TIODLY2

.75

1.65

No local alarm, from IO Active

to Horn Active

Timer Period

TTPER

8.5

Min

No alarm condition, Note 2

Note 1:

See timing diagram for Horn Temporal Pattern

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

conclusion of the Timer mode.

TPOSC and TON2 are 100% production tested. All other timing is guaranteed by functional testing.

Typical values are for design information and are not ensured.

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

data.

RE46C144SW16F датащи(PDF) 5 Page - Microchip Technology

RE46C144SW16F датащи(HTML) 5 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

датащи скачать

ссылки URL