Name: MM74HC257N
Brand: National Semiconductor
SKU: MM74HC257N
Availability: InStock
Rating: 5 (98 reviews)

MM74HC257N

Pour Référence Seulement

Référence	MM74HC257N
Fabricant	National Semiconductor
Description	MUX, HC/UH SERIES, 2 LINE INPUT
Fiche technique
paquet	-
ECAD
En stock	0 piece(s)
Prix unitaire	Request a Quote
Délai de mise en œuvre	VÊtre confirmé
Temps de livraison estimé	nov. 19 - nov. 24 (Choisissez l'expédition accélérée)
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Nous offrons MM74HC257N pour prix compétitif sur le marché mondial, s'il vous plaît envoyez-nous une demande de quota pour les prix. Merci!
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Spécifications MM74HC257N

Fabricant	National Semiconductor
Catégorie	Circuits intégrés (CI) - Logique - Commutateurs de signaux, multiplexeurs, décodeurs
paquet	-
ECAD
Séries	74HC
Type	Multiplexer
Circuit	4 x 2:1
Circuits Indépendants	1
Courant - Sortie haut, bas	7.8mA, 7.8mA
Source d'alimentation en tension	Single Supply
Tension - Alimentation	2V ~ 6V
Température de fonctionnement	-40°C ~ 85°C
Type de montage	Through Hole
Paquet / cas	16-DIP (0.300", 7.62mm)
Package de périphérique fournisseur	16-PDIP

MM74HC257N Packaging

MM74HC257N FAQ

1. How to order MM74HC257N on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that MM74HC257N is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MM74HC257N. All suppliers must pass our qualification reviews before they can publish their products including MM74HC257N on Heisener; we pay more attention to the channels and quality of MM74HC257N products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the MM74HC257N price and inventory displayed accurate?

The price and inventory of MM74HC257N fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of MM74HC257N?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MM74HC257N we delivered, we will accept the replacement or return of the MM74HC257N only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MM74HC257N.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as MM74HC257N pin diagram, MM74HC257N datasheet?

If you need any after-sales service, please do not hesitate to contact us.

MM74HC257N Des garanties

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Si les articles que vous avez reçus n'étaient pas de qualité parfaite, nous serions responsables de votre remboursement ou de votre remplacement, mais les articles doivent être retournés dans leur état d'origine.

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MM74HC257N

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