Name: 74LS257APC
Brand: National Semiconductor
SKU: 74LS257APC
Availability: InStock
Rating: 5 (110 reviews)

74LS257APC

Apenas para referência

Nº de peças	74LS257APC
Fabricante	National Semiconductor
Descrição	MUX, 4-FUNC, 2 LINE INPUT, TTL
Ficha técnica
pacote	-
ECAD
Em estoque	0 piece(s)
Preço unitário	Request a Quote
Tempo de entrega	A ser confirmado
Tempo de entrega estimado	jan 17 - jan 22 (Escolha o envio acelerado)
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Serviço de entrega

Estamos oferecendo para 74LS257APC preço competitivo no mercado global, por favor, envie-nos um pedido de quota para os preços. Obrigado!
Para efectuar a sua RFQ, por favor, adicione 74LS257APC com quantidade na BOM. Não Heisener.com não requer qualquer registo para solicitar um orçamento de 74LS257APC.

Especificações do 74LS257APC

Fabricante	National Semiconductor
Categoria	Circuitos integrados - Lógica - Interruptores de sinal, multiplexadores, decodificadores
pacote	-
ECAD
Series	74LS
Tipo	Data Selector/Multiplexer
O circuito	4 x 2:1
Circuitos Independentes	1
Corrente - Saída Alta, Baixa	2.6mA, 24mA
Fonte de alimentação de tensão	Single Supply
Tensão - fonte	4.75V ~ 5.25V
Temperatura de operação	0°C ~ 70°C
Tipo de montagem	Surface Mount
Pacote / caso	16-SOIC (0.154", 3.90mm Width)
Pacote de Dispositivo do Fornecedor	16-SOIC

74LS257APC Packaging

74LS257APC FAQ

1. How to order 74LS257APC 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 74LS257APC is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 74LS257APC. All suppliers must pass our qualification reviews before they can publish their products including 74LS257APC on Heisener; we pay more attention to the channels and quality of 74LS257APC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 74LS257APC price and inventory displayed accurate?

The price and inventory of 74LS257APC 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 74LS257APC?

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 74LS257APC we delivered, we will accept the replacement or return of the 74LS257APC 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 74LS257APC.

(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 74LS257APC pin diagram, 74LS257APC datasheet?

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

74LS257APC Garantias

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Nós fornecemos 90 dias de garantia.

Se os itens que você recebeu não fossem de perfeita qualidade, seríamos responsáveis pelo seu reembolso ou substituição, mas os itens devem ser devolvidos em sua condição original.

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74LS257APC

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