RE46C144SW16TF datasheet(11/26 Pages) MICROCHIP

Part #	RE46C144SW16TF

Description	CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode

Download	26 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

Logo

11 / 26 page

 2009-2012 Microchip Technology Inc.

DS22180C-page 11

RE46C144

FIGURE 3-1:

RE46C144 Timing Diagram – Standby, Low Supply and Chamber Test Failure.

Oscillator

TPOSC TPWOSC

Internal Clock

TON1

TPER1

STROBE

TON2

IRED

TPLED1

LED

Low Supply or Chamber Test Failure

LED

Low BatteryTest

THON3

Low Battery Warning Chirp

Horn

THOF3

Chamber Test and Warning is Offset from Low Battery Test and Warning by 21.5 Seconds

Standby, No Alarm (not to scale)

Similar Part No. - RE46C144SW16TF

Manufacturer	Part #	Datasheet	Description
Microchip Technology	RE46C144	256Kb / 12P	CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode 2009

Manufacturer	Part #	Datasheet	Description
Microchip Technology	RE46C145	259Kb / 12P	CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode 2009
	RE46C145	1Mb / 26P	CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode 11/29/11
	RE46C140	257Kb / 13P	CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode 2009
	RE46C144	256Kb / 12P	CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode 2009
	RE46C146	261Kb / 13P	CMOS Photoelectric Smoke Detector ASIC with Intelligent Interconnect and Timer Mode 2009
	RE46C165	453Kb / 30P	CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory 2010
	RE46C195	2Mb / 39P	CMOS Low-Voltage Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode Revision A March 2021
	RE46C190S16F	408Kb / 42P	CMOS Low Voltage Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode 08/04/10
	RE46C122	238Kb / 10P	CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode 2009
	RE46C127	238Kb / 10P	CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode 2009