Name: 54F190LMQB
Brand: National Semiconductor
SKU: 54F190LMQB
Availability: InStock
Rating: 5 (106 reviews)

54F190LMQB

Apenas para referência

Nº de peças	54F190LMQB
Fabricante	National Semiconductor
Descrição	IC BCD COUNTER 4-BIT 20LCCC
Ficha técnica
pacote	-
ECAD
Em estoque	0 piece(s)
Preço unitário	Request a Quote
Tempo de entrega	A ser confirmado
Tempo de entrega estimado	nov 15 - nov 20 (Escolha o envio acelerado)
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Estamos oferecendo para 54F190LMQB preço competitivo no mercado global, por favor, envie-nos um pedido de quota para os preços. Obrigado!
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Especificações do 54F190LMQB

Fabricante	National Semiconductor
Categoria	Circuitos integrados - Lógica - Contadores, divisores
pacote	-
ECAD
Series	54F
Tipo de lógica	BCD Counter, Decade
Direção	Up, Down
Número de elementos	1
Número de bits por elemento	4
Restabelecer	Asynchronous
Cronometragem	Synchronous
Taxa de contagem	125 MHz
Tipo de gatilho	Positive Edge
Tensão - fonte	4.5 V ~ 5.5 V
Temperatura de operação	-55°C ~ 125°C (TA)
Tipo de montagem	Surface Mount
Pacote / caso	20-CLCC
Pacote de Dispositivo do Fornecedor	20-LCCC (8.89x8.89)

54F190LMQB Packaging

54F190LMQB FAQ

1. How to order 54F190LMQB 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 54F190LMQB is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 54F190LMQB. All suppliers must pass our qualification reviews before they can publish their products including 54F190LMQB on Heisener; we pay more attention to the channels and quality of 54F190LMQB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 54F190LMQB price and inventory displayed accurate?

The price and inventory of 54F190LMQB 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 54F190LMQB?

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 54F190LMQB we delivered, we will accept the replacement or return of the 54F190LMQB 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 54F190LMQB.

(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 54F190LMQB pin diagram, 54F190LMQB datasheet?

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

54F190LMQB Garantias

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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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54F190LMQB

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