RE46C191 datasheet(9/44 Pages) MICROCHIP

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DS20005225H-page 9

RE46C191

Push-to-Test (PTT)

Alarm Memory On

Time

THON4

9.8

10.4

11.0

Alarm memory active,

PTT

PTT Alarm Memory

Horn Period

THPER4

235

250

265

Alarm memory active,

PTT

Interconnect Signal Operation (IO)

IO Active Delay

TIODLY1

—

From start of local alarm

to IO active

Remote Alarm Delay

with Temporal Horn

Pattern

TIODLY2A

0.780

1.00

1.25

No local alarm,



from IO active to alarm

Remote Alarm Delay

with Continuous Horn

Pattern

TIODLY2B

380

572

785

No local alarm,



from IO active to alarm

IO Charge



Dump Duration

TIODMP

1.23

1.31

1.39

At conclusion of local

alarm or test

IO Filter

TIOFILT

—

313

Standby, no alarm

Hush Timer Operation

Hush Timer Period

TTPER

—

8.0

8.6

9.1

Min

No alarm

Low Battery



Hush Timer Period

TTPERLB

—

7.73

8.22

8.71

Hours

No alarm

EOL

End-of-Life



Age Sample

TEOL

—

314

334

354

Hours

EOL enabled, standby

Detection

IRED On Time

TIRON

IRED

—

100

—

µs

Prog Bits 32,33 = 1,1

IRED

—

200

—

µs

Prog Bits 32,33 = 0,1

IRED

—

300

—

µs

Prog Bits 32,33 = 1,0

IRED

—

400

—

µs

Prog Bits 32,33 = 0,0

TEMPERATURE SPECIFICATIONS

Electrical Specifications: All limits specified for VDD = 3V, VBST = 4.2V and VSS = 0V, except where noted in the

Electrical Characteristics.

Parameter

Sym.

Min.

Typ.

Max.

Units

Conditions

Temperature Ranges

Operating Temperature Range

-10

—

+60

°C

Storage Temperature Range

TSTG

-55

—

+125

°C

Thermal Package Resistances

Thermal Resistance, 16-Lead SOIC (150 mil.)

θJA

—

86.1

—

°C/W

AC ELECTRICAL CHARACTERISTICS (CONTINUED)

AC Electrical Characteristics: Unless otherwise indicated, all parameters apply at TA = -10° to +60°C, VDD = 3V, 

VBST = 4.2V, Typical Application (unless otherwise noted) (Notes 1 through 4).

Parameter

Symbol Test Pin

Min.

Typ.

Max.

Units

Conditions

Note 1: See timing diagram for Horn Pattern (Figure 5-2).

2: TPCLK and TIRON are 100% production tested. All other AC parameters are verified by functional testing.

3: Typical values are for design information only.

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

data.

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