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Integrated Circuits (ICs)
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RF and Wireless
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Optoelectronics
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Sensors, Transducers
Sensors, Transducers
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Connectors, Interconnects
Connectors, Interconnects
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Resistors
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Capacitors
Capacitors
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Transformers
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Isolators
Isolators
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Crystals, Oscillators, Resonators
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Switches
Switches
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Relays
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See specs for product details.
See specs for product details.
Microchip Technology AT89C1051U-12SC
| Part Number: | AT89C1051U-12SC |
|---|---|
| Manufacturer/Brand: | Micrel / Microchip Technology |
| Part of Description: | IC MCU 8BIT 1KB FLASH 20SOIC |
| Datasheets: |
|
| RoHs Status: | Lead free / RoHs compliant |
| Payment: | PayPal / Credit Card / T/T |
| Shipment Way: | DHL / Fedex / TNT / UPS / EMS |
| Share: |
Ship From: Hong Kong
Get the lowest prices by enquiry
Online RFQ submissions: Fast responses, Better prices!
- Specifications
- Shopping Manual
- Shipping Information
- QC & Packaging
-
Microchip Technology AT89C1051U-12SC technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology AT89C1051U-12SC.Product Attribute Attribute Value Voltage - Supply (Vcc/Vdd) 2.7V ~ 6V Supplier Device Package 20-SOIC Speed 12MHz Series 89C RAM Size 64 x 8 Program Memory Type FLASH Program Memory Size 1KB (1K x 8) Peripherals LED Package / Case 20-SOIC (0.295', 7.50mm Width) Package Tube Product Attribute Attribute Value Oscillator Type Internal Operating Temperature 0°C ~ 70°C Number of I/O 15 Mounting Type Surface Mount EEPROM Size - Data Converters - Core Size 8-Bit Core Processor 8051 Connectivity UART/USART Base Product Number AT89C1051 -
- Returns Policy
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Returns must be requested within 60 days of the invoice date and include:
- Original invoice number
- Photo of the parts
- Brief explanation or test report stating the reason for return
Returns will not be accepted after 60 days. Returned items must be in original packaging and resalable condition. Returns due to customer errors at the time of quote or purchase will not be accepted. Contact customer service for return authorization before shipping.
- How to Buy
-
We support both online and offline orders. For detailed guidance on the ordering process, please visit the following link:
https://www.Y-IC.com/RFQ-Quote.htm
If you encounter any issues, feel free to contact our customer service team for assistance.
- Payment
-
We accept the following payment methods:
- T/T in advance (bank transfer)
- Western Union
- Credit Card / Visa / Mastercard / PayPal
Please note that customers are responsible for shipping fees, bank charges, duties, and taxes.
-
- Delivery Period
- Packages will be scheduled for delivery within 1-2 days after all items have arrived at our warehouse. In-stock items will be shipped within 24 hours. The delivery time varies based on the shipping method and the destination.
- Shipping Tracking
- Once the components are delivered, the tracking number will be emailed to you immediately. You can also find the tracking number in your order history.
- Shipping Rate
-
Shipping rates are determined by the size, weight, and destination of the package. YIC provides competitive shipping options through leading carriers such as DHL, FedEx and UPS. Additionally, we offer the option for customers to use their own shipping accounts for direct billing.
-
Quality Control (QC)
Packaging
ESD antistatic protection.
All products are packaged in anti-static bags and shipped with ESD antistatic protection. The label on the external ESD packaging will include our company information: part number, brand, and quantity.
We inspect all goods prior to shipment to ensure they are in excellent condition and verify that the parts are new, original, and match the datasheet specifications. After confirming that everyting is in order,we securely package the items and ship them via global express.
AT89C1051U-12SC Product Details
Mfr. Part
AT89C1051U-12SC
Manufacturer
Micrel / Microchip Technology
Y-IC is a quality distributor of Micrel / Microchip Technology products, providing customers with the best products and services.
Detailed Description
The AT89C1051U-12SC is a low-power, high-performance CMOS 8-bit microcontroller with 1KB of Flash programmable and erasable read-only memory (PEROM). The device is manufactured using Microchip's high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set.
Key Features
8-bit microcontroller
1KB of Flash programmable and erasable read-only memory (PEROM)
Industry-standard MCS-51 instruction set
Low-power, high-performance CMOS design
Fully static operation
15 programmable I/O lines
Three-level program memory lock
64 x 8-bit internal RAM
15 interrupt sources
Programmable serial UART channel
Dual data pointers
Power-down and idle modes
Watchdog timer
Key Advantages
Low power consumption
High performance
Flexible programming and configuration options
Compatibility with industry-standard MCS-51 instruction set
Suitable for a wide range of embedded applications
Packaging
Package: 20-SOIC (0.295", 7.50mm Width)
Encapsulation: Tube
Thermal Characteristics: Operating Temperature Range: 0°C to 70°C
Electrical Properties: Supply Voltage (Vcc/Vdd): 2.7V to 6V
Lifecycle
The AT89C1051U-12SC is an active product, and there are equivalent or alternative models available from Micrel / Microchip Technology. If you need more information, please contact our sales team via the Y-IC website.
Key Application Areas
Embedded systems
Industrial automation
Home appliances
Automotive electronics
Consumer electronics
Datasheet
The most authoritative datasheet for the AT89C1051U-12SC is available on the Y-IC website. Customers are recommended to download the datasheet for detailed product specifications and information.
Request for Quotation Now
Customers are recommended to obtain quotes for the AT89C1051U-12SC on the Y-IC website. Get a quote now or learn more about this product and other Micrel / Microchip Technology offerings.
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User Review
-
Vipe***rcuit
One unit failed during initial power-up, but the rest were fine. Mixed experience overall.March 31th, 2026
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Hiro*** T.
Perfect replacement part. My system worked immediately after installation.March 23th, 2026
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Yuki***
Works very well. I used AD8108ASTZ for video switching project. Stable and no noise problem.March 20th, 2026
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Jaso***.
Used the AD8108ASTZ in a video routing board and it worked perfectly. Clean switching and no noticeable signal degradation.March 9th, 2026
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Devo***.
Exactly as described. Great price for a pack of 10.March 4th, 2026
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Alex***
Moderate quality chip. Works fine at room temperature, but in high temp conditions it seemed to drift. Not terrible, but not premium either.February 28th, 2026
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Core***nalSourcing
Service was efficient and polite. Components were packed well and labels were clear. Appreciated the attention to detail.February 3th, 2026
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Nano***icBuyer
Good.January 28th, 2026
-
Quan***Sourcing
Clear communication and quick updates during the whole process. The parts arrived as described. Very satisfied with the service.January 19th, 2026
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Fusi***oreBuyer
Prompt replies. The order process was smooth and the delivery matched the promised timeline. Satisfied with the service.January 16th, 2026
-
Opti***pSolutions
GoodJanuary 9th, 2026
-
Tech***cuitBuyer
quick answer to our requestDecember 29th, 2025
-
Nova***ponentHub
Recommended, trustedDecember 25th, 2025
-
Grid***ion
Our procurement team relies on YIC for sourcing discontinued parts. They consistently deliver quality and handle cross-references when needed. Great value and support.December 17th, 2025
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Terr***nse Microtech
Excellent service! We urgently needed a batch of TMS320LF2406APZA for a critical production line. YIC not only offered competitive pricing but also ensured on-time delivery. We’ll definitely reorder.December 10th, 2025
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Tita***is Industrial
Our urgent production run was saved thanks to their stock of EOL components. Definitely a supplier we will use again.December 4th, 2025
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Mich***_Embedded
Very professional supplier – confirmed stock quickly and kept me updated until delivery.November 25th, 2025
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ches***_y
Our EMS line was waiting on MAX3030EEUE+T RS-422 drivers. IC-Components split the shipment—partial now, balance next week—so the SMT schedule didn’t slip. Practical and proactive.November 20th, 2025
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ca_c***onents_ashley
The goods work as expected and the quote was clear. Only gripe: website showed ‘thousands in stock’ but true on-hand was zero; they turned it around via factory in 5 days and kept me posted. Fair recovery.November 11th, 2025
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Quin***avis
Needed 250 pcs of LT4256-2IS8#PBF on short notice. They split reels for me, kept the MOQ reasonable, and sent full traceability docs + RoHS/REACH. Will buy again.November 3th, 2025
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Jaso***ouis
Solid experience end to end. Order arrived faster than expected and the components came in moisture barrier bags with traceable labels.October 30th, 2025
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AmpC***
The price is good, very satisfied with this purchase.October 22th, 2025
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Eric***mmons
Great experience overall. The order was processed quickly, and the quality of the electronic components met our expectations.October 16th, 2025
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Jona***n Brooks
Fast delivery and professional service. Great experience from order to receipt.October 9th, 2025
-
Jess***
Very professional supplier. I received my package quickly, and they were well packed. The team followed up until delivery was complete.September 28th, 2025
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Sher***
Fast deliverySeptember 17th, 2025
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Antw***Shawn
I found what I needed, great productSeptember 9th, 2025
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Shir***neFrame
対応が良くて返信も早いです。発送も早くて助かりました。また買います。September 1th, 2025
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7ama***
Seller was super nice, product quality is okay, and replies came really fast. Overall, shopping here felt easy and pleasant, would be happy to buy again.August 25th, 2025
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Zinn***Clarke
Fast shipping, great customer service, and the item came super well-packed. Loved it!August 20th, 2025
-
Josh***Alexander
Outstanding customer support! They’re extremely helpful!July 3th, 2025
-
Lily***nchez
Everything is great!December 18th, 2024
-
Gabr*** Rivera
Great service! Fast shipping! Highly recommended!June 21th, 2023
-
Zoey***ice
The goods were delivered on time and well packaged. Communication with customer service was smooth and easy.April 27th, 2023
-
Madi*** Morgan
We're very satisfied with our purchasing experience at Y-IC, and we're glad to have Jimmy as our point of contact. He responds quickly and always provides competitive pricing.July 1th, 2022
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Rile***eterson
We had a great experience, with excellent communication and customer support, competitive pricing, and fast delivery.March 4th, 2021
-
Anth*** Butler
I had an excellent experience with Y-IC. Their service was outstanding, and communication was always clear and friendly. All of my questions were answered promptly and professionally. Highly recommended!September 10th, 2020
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Chlo***ughes
This is the fourth time I've purchased components from here. The quality and service are excellent! My contact is very responsive and highly professional!January 23th, 2020
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