Name: 54LS74LMQB
Brand: National Semiconductor
SKU: 54LS74LMQB
Availability: InStock
Rating: 5 (186 reviews)

54LS74LMQB

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Nº de pieza	54LS74LMQB
Fabricantes	National Semiconductor
Descripción	D FLIP-FLOP, TTL
Hoja de datos
Paquete	-
ECAD
En existencias	0 piece(s)
Precio unitario	Request a Quote
Plazo de ejecución	Para ser confirmado
Tiempo estimado de entrega	nov 30 - dic 5 (Elija envío expedito)
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Especificaciones 54LS74LMQB

Fabricantes	National Semiconductor
Categoría	Circuitos integrados - Lógica - Flip Flops
Paquete	-
ECAD
Serie	54LS
Función	Set(Preset) and Reset
Tipo	D-Type
Tipo de salida	Complementary
Cantidad de elementos	2
Número de bits por elemento	1
Frecuencia de reloj	20 MHz
Retraso máximo de propagación @ V, Max CL	35ns @ 5V, 50pF
Tipo de disparador	Positive Edge
Corriente - Salida alta, baja	4mA
Suministro de voltaje	4.5V ~ 5.5V
Actual - Quiescente (Iq)	8 mA
Capacitancia de entrada	-
Temperatura de funcionamiento	-55°C ~ 125°C (TA)
Tipo de montaje	Surface Mount
Paquete / caja	20-CLCC

54LS74LMQB Packaging

54LS74LMQB FAQ

1. How to order 54LS74LMQB on Heisener?

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2. How does Heisener guarantee that 54LS74LMQB is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 54LS74LMQB. All suppliers must pass our qualification reviews before they can publish their products including 54LS74LMQB on Heisener; we pay more attention to the channels and quality of 54LS74LMQB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 54LS74LMQB price and inventory displayed accurate?

The price and inventory of 54LS74LMQB 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 54LS74LMQB?

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 54LS74LMQB we delivered, we will accept the replacement or return of the 54LS74LMQB 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 54LS74LMQB.

(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 54LS74LMQB pin diagram, 54LS74LMQB datasheet?

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

54LS74LMQB Garantías

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Si los artículos que recibió no tenían la calidad perfecta, seremos responsables de su reembolso o reemplazo, pero los artículos deben devolverse en su estado original.

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54LS74LMQB

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