NTE74C922 - CMOS Key Encoders

NTE Electronics

NTE74C922 Datasheet Preview — Preview of NTE74C922 PDF

Datasheet Details

Part number	NTE74C922
Manufacturer	NTE Electronics
File Size	82.84 KB
Description	CMOS Key Encoders
Datasheet	NTE74C922_NTEElectronics.pdf

NTE74C922 Product details

Description

The NTE74C922 (16 Key, 18 Lead DIP) and NTE74C923 (20 Key, 20 Lead DIP) CMOS key encoders provide all the necessary logic to fully encode an array of SPST switches. chip pull up devices which permit switches with up to 50kΩ on resistance to be used.

Features

D 50kΩ Maximum Switch On Resistance D On or Off Chip Clock D On.
Chip Row Pull.
Up Devices D 2 Key Roll.
Over D Keybounce Elimination with Single Capacitor D Last Key Register at Outputs D 3.
STATE Output LPTTL Compatible D Wide Supply range: 3V to 15V D Low Power Consumption Absolute Maximum Ratings: (Note 1) Operating VCC Range.
. . . 3V to 15V VCC.

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Published: Jun 1, 2005 |