74C923 - Fairchild

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

74C923
Manufacturer

Fairchild
ChipWorker Part#

CW566880881
Description

16-Key Encoder 20-Key Encoder
Documentation

Datasheet

74C923 Global Supplier

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74C923 Specifications

Attribute	Attribute Value

Part Number	74C923
Manufacturer	Fairchild
ChipWorker Part#	CW566880881
Documentation	Datasheet
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

General Description
The MM74C922 and MM74C923 CMOS key encoders provide all the necessary logic to fully encode an array of
SPST switches. The keyboard scan can be implemented by either an external clock or external capacitor. These
encoders also have on-chip pull-up devices which permit switches with up to 50 kΩon resistance to be used.
Features
■50 kΩmaximum switch on resistance
■On or off chip clock
■On-chip row pull-up devices
■2 key roll-over
■Keybounce elimination with single capacitor
■Last key register at outputs
■3-STATE output LPTTL compatible
■Wide supply range: 3V to 15V
■Low power consumption

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Ordering Information

Order Payment Shipping Package Quality Assurance

These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
- Please check the technical specifications of the products when ordering.
- MOQ is the minimum order quantity required to purchase each part.
- If you have special ordering instructions, please indicate them on the order page.
- Pre-Shipment Inspection (PSI) will be used when ordering.
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- Orders cannot be canceled after the package has been shipped. View more >
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- Invoices are issued in the currency specified, but payment is made in Russian rubles at the exchange rate on the day of payment.
- If you need a detailed invoice or a tax identifier, please contact us.
- Delivery will take between 1 to 2 weeks after the shipment is sent to your country.
- Your order will be processed only after the invoice has been paid.
- The tracking number will be sent to you after the order is shipped. (It may take up to 24 hours for the information to be available from the carrier.) View more >
- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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