RE46C162 datasheet(1/22 Pages) MICROCHIP

номер детали	RE46C162

подробное описание детали	CMOS Ionization Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory

PDF	22 Pages

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производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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 2010 Microchip Technology Inc.

DS22245A-page 1

RE46C162/163

Features

• Pin Selectable Horn Patterns

• Alarm Memory

• Sensitivity Control Timer:

- 8 minute Timer for RE46C162

- 1 minute Timer for RE46C163

• >1500V ESD Protection (HBM) on All Pins

• Guard Outputs for Ion Detector Input

• ±0.75 pA Detect Input Current

• Internal Reverse Battery Protection

• Low Quiescent Current Consumption (<6.5 µA)

• I/O Filter and Charge Dump

• Internal Low Battery Detection

• Power-up Low Battery Test

• Interconnect up to 66 Detectors

• RoHS Compliant, Lead Free Packaging

Description

The RE46C162/163 devices are low-power, CMOS

ionization type, smoke detector ICs. With few external

components, these circuits will provide all the required

features for an ionization type smoke detector.

An internal oscillator strobes power to the smoke

detection circuitry for 10.5 ms every 1.67 seconds to

keep standby current to a minimum. A check for a low

battery condition is performed every 40 seconds when

in standby. The temporal horn pattern supports the

NFPA 72 emergency evacuation signal.

An interconnect pin allows multiple detectors to be

connected so when one unit alarms, all units will sound.

A charge dump feature will quickly discharge the inter-

connect line when exiting a local alarm. The intercon-

nect input is also digitally filtered.

An internal timer allows for a single button, push-to-test

to be used for a reduced sensitivity mode.

An alarm memory feature allows the user to determine

if the unit has previously entered a local alarm

condition.

Utilizing

low-power

CMOS

technology,

the

RE46C162/163 devices are designed for use in smoke

detectors that comply with Underwriters Laboratory

Specification UL217 and UL268.

Package Types

RE46C162/163

PDIP

TSTART

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

IO

TONE

TSTROBE

LED

VDD

RBIAS

FEED

GUARD2

DETECT

GUARD1

VSEN

OSCAP

HS

HB

VSS

CMOS Ionization Smoke Detector ASIC with Interconnect,

Timer Mode and Alarm Memory

Аналогичный номер детали - RE46C162

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Аналогичное описание - RE46C162

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