Datasheet Texas Instruments UCC2946DTR — Datenblatt

Mikroprozessor-Supervisor mit Watchdog-Timer 8-SOIC -40 bis 85

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PDF, 1.2 Mb, Revision: F, Datei veröffentlicht: Nov 21, 2007

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Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	No

# of Supplies Monitored	1
Iq(Typ)	10 uA
Monitored Voltage 1 (typ)(Nom)	Adjustable V
Monitored Voltage 2 (typ)(Nom)	N/A V
Operating Temperature Range	-40 to 85 C
Output Driver Type / Reset Output	Active-low,Push-pull
Package Group	SOIC
Package Size: mm2:W x L	8SOIC: 29 mm2: 6 x 4.9(SOIC) PKG
Rating	Catalog
Reset Threshold Accuracy	2 %
Special Features	Watchdog Timer
Threshold Voltage 1(Typ)	Adjustable V
Threshold Voltage 2 (typ)(Typ)	N/A V
Time Delay	Programmable ms
VCC(Max)	5.5 V
VCC(Min)	2.1 V
Watchdog Timer WDI	Programmable sec

RoHS

Compliant

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In many microprocessor applications where a watchdog supervisor, such as the TPS3306, is required, it may be necessary to disable the watchdog. This is particularly true when software boot times exceed the watchdog time-out period. This application note describes a circuit that can be used to selectively disable the watchdog timer.
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Serie: UCC2946 (8)