 2010 Microchip Technology Inc.

DS22251A-page 9

RE46C165/6/7/8

Low Battery

Horn Off Time

8, 9

38

43

47

s

4095

Low battery, no alarm

Low Battery

or Chamber Fail

Period

8, 9

38

43

47

s

4096

Low battery, no alarm

Chamber Fail

Horn Off Time

8, 9

291

323

355

ms

31

Failed chamber, no alarm

Chamber Fail

Pause Off Time

8, 9

38

42

46

s

4031

Failed chamber, no alarm

Push-to-Test Alarm

Memory Off Time

8, 9

216

240

264

ms

23

Alarm memory active,

push-to-test

Push-to-Test Alarm

Memory Period

8, 9

225

250

275

ms

24

Alarm memory active,

push-to-test

Interconnect Signal Operation (I/O)

I/O Active Delay

7

0.0

0.0

0.0

s

0

Local alarm start to I/O active

Remote Alarm Delay

7

0.74

0.99

1.27

s

95

RE46C165/7 only

No local alarm,

I/O active to alarm

7

0.37

0.57

0.81

s

55

RE46C166/8 only

No local alarm,

I/O active to alarm

I/O Charge

Dump Duration

7

0.89

0.99

1.09

s

95

RE46C165/7 only

At conclusion of local alarm

or test

7

1.19

1.32

1.46

s

127

RE46C166/8 only

At conclusion of local alarm

or test

I/O Filter

7

—

—

0.30

s

32

Maximum I/O pulse width filtered

Hush Timer Operation

Hush Timer Period

—

8.1

9.0

9.9

Min

51712

RE46C165/6 only

No alarm condition

—

1.1

1.2

1.4

Min

7232

RE46C167/8 only

No alarm condition

AC ELECTRICAL CHARACTERISTICS (CONTINUED)

AC Electrical Characteristics:

Parameter

Symbol

Test

Pin

Min

Typ

Max

Units

Clocks

Conditions

Note 1:

2:

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.