MC146010ED datasheet(5/18 Pages) FREESCALE

Numer części	MC146010ED

Szczegółowy opis	Low Power CMOS Photoelectric Smoke Detector IC

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Producent	FREESCALE [Freescale Semiconductor, Inc]

Strona internetowa	http://www.freescale.com

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Sensors

Freescale Semiconductor

5

MC146010

No.

Symbol

Parameter

Test Condition

Clocks

Min(1)

Typ(2)

Max(1)

Unit

13

tCH

Silver and Brass Chirp Pulse Period

Low Supply or Degraded

Chamber Sensitivity

4096

38.9

43

47.1

s

14

tW(CH)

Silver and Brass Chirp Pulse Width

Low Supply or Degraded

Chamber Sensitivity

1.0

9.5

10.5

11.5

ms

15

tRR

Rising Edge on IO to Smoke Alarm

Response Time

Remote Smoke, No local

smoke

——

2 sec(3)

—

16

tstb

Strobe Out Pulse Period

Smoke Test

1024

9.67

10.8

11.83

s

17

Chamber Sensitivity Test

Without Local Smoke

4096

38.9

43

47.1

s

18

Low Supply Test Without Local

Smoke

4096

38.9

43

47.1

s

19

Pushbutton Test/Speed-Up

128

1.2

1.3

1.5

s

20

tMUTE

Mute time

Local smoke

—

7.0

10

14

min

1. Oscillator period T (T = Tr + Tf) is determined by the external components R1, R2 and C3 where Tr = (0.6931)R2*C3 and Tf = (0.6931)R1*C3.

The other timing characteristics are some multiple of the oscillator timing shown in the table. The timing shown should accommodate the

NFPA72, ANSI S3.41, and ISO8201 audible emergency evacuation signals.

2. Typicals are not guaranteed.

3. Time is typical-depends on what point in cycle the signal is applied.

Table 3

. AC Electrical Characteristics (Refer to Timing Diagram Figure 3 and Figure 4. TA = 25°C, VDD = 9.0 V,

Component Values from Figure 5.) (continued)

Podobny numer części - MC146010ED

Producent	Numer części	Arkusz danych	Szczegółowy opis
Freescale Semiconductor...	MC146010ED	1Mb / 18P	LOW POWER CMOS PHOTOELECTRIC SMOKE DETECTOR IC

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