Name: 54LS257ALMQB
Brand: National Semiconductor
SKU: 54LS257ALMQB
Availability: InStock
Rating: 5 (128 reviews)

54LS257ALMQB

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Nº de pieza	54LS257ALMQB
Fabricantes	National Semiconductor
Descripción	MULTIPLEXER, LS SERIES
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	oct 1 - oct 6 (Elija envío expedito)
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Especificaciones 54LS257ALMQB

Fabricantes	National Semiconductor
Categoría	Circuitos integrados - Lógica - Interruptores de señal, multiplexores, decodificadores
Paquete	-
ECAD
Serie	54LS
Tipo	Data Selector/Multiplexer
Circuito	4 x 2:1
Circuitos Independientes	1
Corriente - Salida alta, baja	1mA, 12mA
Fuente de suministro de voltaje	Single Supply
Suministro de voltaje	4.5V ~ 5.5V
Temperatura de funcionamiento	-55°C ~ 125°C
Tipo de montaje	Surface Mount
Paquete / caja	20-CLCC
Paquete de dispositivo del proveedor	20-LCCC (8.89x8.89)

54LS257ALMQB Packaging

54LS257ALMQB FAQ

1. How to order 54LS257ALMQB on Heisener?

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We have a professional and experienced quality control team to strictly verify and test the 54LS257ALMQB. All suppliers must pass our qualification reviews before they can publish their products including 54LS257ALMQB on Heisener; we pay more attention to the channels and quality of 54LS257ALMQB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 54LS257ALMQB price and inventory displayed accurate?

The price and inventory of 54LS257ALMQB fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
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Warm Tips: Some orders in certain payment forms may require handling fee.
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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 54LS257ALMQB?

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 54LS257ALMQB we delivered, we will accept the replacement or return of the 54LS257ALMQB 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 54LS257ALMQB.

(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 54LS257ALMQB pin diagram, 54LS257ALMQB datasheet?

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54LS257ALMQB

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