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MM74C923WM
Versatile and reliable -pin SOIC W rail encoder with excellent performancMM74C923WM
Versatile and reliable -pin SOIC W rail encoder with excellent performanc
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
Example
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Cut Tape
Tube or Tray
MM74C923WM DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
General DescriptionThe 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
Key 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
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | Encoders, Decoders, Multiplexers & Demultiplexers | RoHS | Details |
| Product | Decoders, Encoders, Multiplexers & Demultiplexers | Logic Family | 74C |
| Number of Bits | 4 bit | Number of Input Lines | 8 Input |
| Number of Output Lines | 5 Output | Propagation Delay Time | 150 ns at 5 V, 80 ns at 10 V, 60 ns at 15 V |
| Supply Voltage - Min | 3 V | Supply Voltage - Max | 15 V |
| Minimum Operating Temperature | - 55 C | Maximum Operating Temperature ! | + 125 C |
| Mounting Style | SMD/SMT | Package / Case | SOIC-20 |
| Brand | onsemi / Fairchild | Function | Encoder |
| Height | 2.35 mm | Input Voltage | - 300 mV to 300 mV |
| Length | 13 mm | Logic Type | Encoder |
| Number of Circuits | Single | Operating Supply Voltage ! | 3 V to 15 V |
| Output Current ! | 8 mA | Output Voltage | - 300 mV to 300 mV |
| Pd - Power Dissipation | 700 mW | Product Type ! | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 36 | Subcategory | Logic ICs |
| Width | 7.6 mm | Part # Aliases | MM74C923WM_NL |
| Unit Weight | 0.028254 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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