Name: DS89C440-QNL
Brand: Maxim Integrated
SKU: DS89C440-QNL
Availability: InStock
Rating: 5 (139 reviews)

DS89C440-QNL

僅供參考

零件編號	DS89C440-QNL
製造商	Maxim Integrated
描述	IC MCU 8BIT 32KB FLASH 44PLCC
數據表	DS89C440-QNL 數據表
封裝	44-LCC (J-Lead)
ECAD
庫存	3,664 piece(s)
單價	Request a Quote
交貨期	待確認
預計送達時間	一月 2 - 一月 7 (選擇速遞服務)
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DS89C440-QNL參數

製造商	Maxim Integrated
類別	積體電路 (IC) - 嵌入式 - 微控制器
封裝	44-LCC (J-Lead)
ECAD
系列	89C
核心處理器	8051
核心尺寸	8-Bit
速度	33MHz
連接	EBI/EMI, SIO, UART/USART
外設	Power-Fail Reset, WDT
I / O數量	32
程序內存大小	32KB (32K x 8)
程序存儲器類型	FLASH
EEPROM大小	-
RAM大小	1K x 8
電壓 - 電源（Vcc / Vdd）	4.5 V ~ 5.5 V
數據轉換器	-
振盪器類型	External
工作溫度	-40°C ~ 85°C (TA)
安裝類型	-
包/箱	44-LCC (J-Lead)
供應商設備包	44-PLCC (16.59x16.59)

DS89C440-QNL數據表

DS89C440-QNL Packaging

DS89C440-QNL FAQ

1. How to order DS89C440-QNL 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 DS89C440-QNL is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the DS89C440-QNL. All suppliers must pass our qualification reviews before they can publish their products including DS89C440-QNL on Heisener; we pay more attention to the channels and quality of DS89C440-QNL products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the DS89C440-QNL price and inventory displayed accurate?

The price and inventory of DS89C440-QNL 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 DS89C440-QNL?

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 DS89C440-QNL we delivered, we will accept the replacement or return of the DS89C440-QNL 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 DS89C440-QNL.

(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 DS89C440-QNL pin diagram, DS89C440-QNL datasheet?

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

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