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SN74HC257DR

hot SN74HC257DR

SN74HC257DR

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零件编号 SN74HC257DR
制造商 Texas Instruments
描述 IC QUAD 2-1 DATA SEL/MUX 16-SOIC
数据表
封装 16-SOIC (0.154", 3.90mm Width)
ECAD
库存 4,704 piece(s)
单价 $ 0.6106 *
交货时间 可立即发货
预计送达时间 三月 13 - 三月 18 (选择速递服务)
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SN74HC257DR参数

制造商Texas Instruments
类别集成电路（IC） - 逻辑 - 信号开关，多路复用器，解码器
封装16-SOIC (0.154", 3.90mm Width)
ECAD
系列74HC
类型Multiplexer
电路4 x 2:1
独立电路1
电流 - 输出高，低7.8mA, 7.8mA
电压源Single Supply
电压 - 电源2 V ~ 6 V
工作温度-40°C ~ 85°C
安装类型Surface Mount
包/箱16-SOIC (0.154", 3.90mm Width)
供应商设备包16-SOIC

SN74HC257DR Packaging

Customized Labels
Sealing
Packing
Insepction

SN74HC257DR FAQ

  • 1. How to order SN74HC257DR 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 SN74HC257DR is from the original manufacturer or authorized agents?
    We have a professional and experienced quality control team to strictly verify and test the SN74HC257DR. All suppliers must pass our qualification reviews before they can publish their products including SN74HC257DR on Heisener; we pay more attention to the channels and quality of SN74HC257DR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
  • 3. Are the SN74HC257DR price and inventory displayed accurate?
    The price and inventory of SN74HC257DR 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 SN74HC257DR?
    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 SN74HC257DR we delivered, we will accept the replacement or return of the SN74HC257DR 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 SN74HC257DR.
    (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 SN74HC257DR pin diagram, SN74HC257DR datasheet?
    If you need any after-sales service, please do not hesitate to contact us.

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SN74HC257DR 保证

Service Guarantee

服务保证

我们保证100％的客户满意度。

我们经验丰富的销售团队和技术支持团队支持我们的服务以满足所有客户。

Quality Guarantee

质量保证

我们提供90天保修。

如果您收到的物品质量不合格，我们将负责您的退款或更换，但物品必须以原始状态退回。

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Quick Inquiry

SN74HC257DR

质量认证

黑森尔对质量的承诺，塑造了我们的采购、测试、运输流程以及它们之间的每一步。这个基准是我们所销售的每一个元器件的基础。

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SN74HC257DR Tags

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