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RE46C146

CMOS Photoelectric Smoke Detector ASIC with Intelligent Interconnect and Timer Mode

Microchip Technology 

RE46C146

CMOS Photoelectric Smoke Detector ASIC with

Intelligent IO and Timer Mode

Product Specification

R&E International

A Subsidiary of Microchip Technology Inc.

Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are

stress ratings only and operation at these conditions for extended periods may affect device reliability.

This product utilizes CMOS technology with static protection; however proper ESD prevention procedures should be used when

handling this product. Damage can occur when exposed to extremely high static electrical charge.

DC Electrical Characteristics at TA = -25° to 75°C, VDD=9V, Typical Application (unless otherwise noted)

Parameter

Supply Voltage

Supply Current

Input Voltage High

Input Voltage Low

Input Leakage Low

Input Leakage High

Input Pull Down Current

Output Leakage Current

Low

Output Leakage Current

High

Symbol

VDD

IDD1

IDD2

IDD3

IDD4

VIH1

VIH2

VIH3

VIH4

VIL1

VIL2

VIL3

VIL4

IIL1

IIL2

IIL3

ILFD

IIH1

IIH2

IHFD

IPD1

IPD2

IPDIO1

IPDIO2

IOZL1

IOZH1

Test

Pin

Test Conditions

Limits

Min Typ Max Units

5

Operating

6

12

V

5

Configured as in Figure 2,

COSC=VSS

5

Configured as in Figure 2,

VDD=12V, COSC=VSS

5

Configured as in Figure 2,

STROBE on, IRED off, VDD=12V

5

Configured as in Figure 2,

STROBE on, IRED on, VDD=12V

4

6

uA

5.5

8

uA

2

mA

3

mA

10

FEED

6.2

4.5

V

7

No Local Alarm, IO as an Input

3.2

V

15

VSEN

1.6

V

16

TEST

8.5

V

10

FEED

4.5

2.7

V

7

No Local Alarm, IO as an Input

1.5

V

15

VSEN

.5

V

16

1,2,3

12

TEST

VDD=12V, COSC=12V, STROBE

active

VDD=12V, Vin=VSS

7

V

-100 nA

-100 nA

15,16 VDD=12V, Vin=VSS

-1

uA

10

FEED=-10V

1,2

VDD=12V, Vin=VDD, STROBE

active

3,12 VDD=12V, Vin=VDD

-50

uA

100 nA

100 nA

10

FEED=22V

50

uA

16

Vin=VDD

.25

10

uA

15

Vin=VDD

.1

.25

.5

uA

7

Vin=VDD

20

80

uA

7

Vin=17V, VDD=12

140 uA

11,13 Output Off, Output=VSS

-1

uA

11,13 Output Off, Output=VDD

1

uA

© 2009 Microchip Technology Inc.

DS22176A-page 2

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