Name: DM74S257J
Brand: National Semiconductor
SKU: DM74S257J
Availability: InStock
Rating: 5 (142 reviews)

DM74S257J

Pour Référence Seulement

Référence	DM74S257J
Fabricant	National Semiconductor
Description	MUX, 4-FUNC, 2 LINE INPUT, TTL
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	juil. 8 - juil. 13 (Choisissez l'expédition accélérée)
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Spécifications DM74S257J

Fabricant	National Semiconductor
Catégorie	Circuits intégrés (CI) - Logique - Commutateurs de signaux, multiplexeurs, décodeurs
paquet	-
ECAD
Séries	-
Type	Data Selector/Multiplexer
Circuit	4 x 2:1
Circuits Indépendants	1
Courant - Sortie haut, bas	6.5mA, 20mA
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

DM74S257J Packaging

DM74S257J FAQ

1. How to order DM74S257J 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 DM74S257J is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the DM74S257J. All suppliers must pass our qualification reviews before they can publish their products including DM74S257J on Heisener; we pay more attention to the channels and quality of DM74S257J products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the DM74S257J price and inventory displayed accurate?

The price and inventory of DM74S257J 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 DM74S257J?

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 DM74S257J we delivered, we will accept the replacement or return of the DM74S257J 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 DM74S257J.

(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 DM74S257J pin diagram, DM74S257J datasheet?

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

DM74S257J Des garanties

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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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DM74S257J

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