RE46C165TS16F datasheet(5/30 Pages) MICROCHIP

Part #	RE46C165TS16F

Description	CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory

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Manufacturer	MICROCHIP [Microchip Technology]

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 2010 Microchip Technology Inc.

DS22251A-page 5

RE46C165/6/7/8

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings†

VDD...........................................................................12.5V

Input Voltage Range Except FEED, I/O .. VIN = -.3V to VDD +.3V

FEED Input Voltage Range ............... VINFD =-10 to +22V

I/O Input Voltage Range .......................... VIO1= -.3 to 15V

Input Current except FEED, TEST, VSEN ...... IIN = 10 mA

Input Current for FEED, VSEN....................... IIN = 500 µA

Operating Temperature ..........................TA = -25 to +75°C

Storage Temperature.......................TSTG = -55 to +125°C

Maximum Junction Temperature ................... TJ = +150°C

† Notice:

Stresses above those listed under “Maximum

ratings” may cause permanent damage to the device. This

is a stress rating only and functional operation of the

device at these or any other conditions above those indi-

cated in the operation listings of this specification is not

implied. Exposure to maximum rating conditions for

extended periods may affect device reliability.

DC ELECTRICAL CHARACTERISTICS

DC Electrical Characteristics:

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

Typical Application (unless otherwise noted), VSS = 0V

Parameter

Symbol

Test

Min

Typ

Max

Units

Conditions

Supply Voltage

VDD

56

—

12

V

Operating

Supply Current

IDD1

5—

4

6

µA

COSC = VSS, LED off

IDD2

5—

5.5

8

µA

COSC = VSS, LED off,

VDD = 12V

IDD3

5—

—

2

mA

COSC = VSS,

STROBE on IRED off

IDD4

5—

—

3

mA

COSC = VSS,

STROBE on, IRED on,

Note 1

Input Voltage High

VIH1

10

6.2

4.5

—

V

FEED

VIH2

7

3.2

—

V

No local alarm,

I/O as an input

VIH3

15

1.6

—

V

VSEN

VIH4

16

8.5

—

V

TEST

Input Voltage Low

VIL1

10

—

4.5

2.7

V

FEED

VIL2

7

—

1.5

V

No local alarm,

I/O as an input

VIL3

15

—

0.5

V

VSEN

VIL4

16

—

7

V

TEST

Input Leakage Low

IIL1

1, 2, 3

—

-100

nA

VDD = 12V, COSC = 12V,

STROBE active

IIL2

12, 10

—

-100

nA

VDD = 12V, VIN = VSS

IIL3

15, 16

—

-1

µA

VDD = 12V, VIN = VSS

ILFD

10

—

-50

µA

FEED = -10V

Note 1:

Does not include Q3 emitter current.

2:

Not production tested.

3:

Production test at room temperature with guard banded limits.

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