Name: 74S257DC
Brand: National Semiconductor
SKU: 74S257DC
Availability: InStock
Rating: 5 (118 reviews)

74S257DC

Pour Référence Seulement

Référence	74S257DC
Fabricant	National Semiconductor
Description	MULTIPLEXER
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	janv. 18 - janv. 23 (Choisissez l'expédition accélérée)
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Nous offrons 74S257DC 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 74S257DC

Fabricant	National Semiconductor
Catégorie	Circuits intégrés (CI) - Logique - Commutateurs de signaux, multiplexeurs, décodeurs
paquet	-
ECAD
Séries	74S
Type	Data Selector/Multiplexer
Circuit	4 x 2:1
Circuits Indépendants	1
Courant - Sortie haut, bas	-
Source d'alimentation en tension	Single Supply
Tension - Alimentation	4.75V ~ 5.25V
Température de fonctionnement	0°C ~ 70°C
Type de montage	Through Hole
Paquet / cas	16-CDIP (0.300", 7.62mm)
Package de périphérique fournisseur	16-CDIP

74S257DC Packaging

74S257DC FAQ

1. How to order 74S257DC 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 74S257DC is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 74S257DC. All suppliers must pass our qualification reviews before they can publish their products including 74S257DC on Heisener; we pay more attention to the channels and quality of 74S257DC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 74S257DC price and inventory displayed accurate?

The price and inventory of 74S257DC 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 74S257DC?

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 74S257DC we delivered, we will accept the replacement or return of the 74S257DC 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 74S257DC.

(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 74S257DC pin diagram, 74S257DC datasheet?

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

74S257DC Des garanties

Garanties de service

Nous garantissons la satisfaction du client à 100%.

Notre équipe de vente expérimentée et notre équipe d'assistance technique recourent à nos services pour satisfaire tous nos clients.

Garantie de qualité

Nous fournissons une garantie de 90 jours.

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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74S257DC

Qualité certifiée

L'engagement de Heisener en matière de qualité a façonné nos processus d'approvisionnement, de test, d'expédition et à chaque étape intermédiaire. Cette fondation est à la base de chaque composant que nous vendons.

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