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Home Products Integrated Circuits (ICs)Embedded - Microcontrollers~~AT89C5122DS-RDTUM~~

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AT89C5122DS-RDTUM - Microchip Technology

Name: Microchip Technology AT89C5122DS-RDTUM
Brand: Microchip Technology
SKU: AT89C5122DS-RDTUM
Availability: InStock
Rating: 5 (2 reviews)

Manufacturer Part Number: AT89C5122DS-RDTUM

Manufacturer: Microchip Technology

Allelco Part Number: 32D-AT89C5122DS-RDTUM

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC MCU 8BIT 32KB FLASH 64VQFP

Package: 64-VQFP (10x10)

Data sheet: 1.AT89C5122DS-RDT.pdf ...

Datasheets
AT8xC5122,23/AT83R5122.pdf

PCN Packaging
Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf

RoHs Status: ROHS3 Compliant

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Specifications

AT89C5122DS-RDTUM Tech Specifications
Microchip Technology - AT89C5122DS-RDTUM technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT89C5122DS-RDTUM

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Voltage - Supply (Vcc/Vdd)	3V ~ 5.5V
Supplier Device Package	64-VQFP (10x10)
Speed	48MHz
Series	89C
RAM Size	768 x 8
Program Memory Type	FLASH
Program Memory Size	32KB (32K x 8)
Peripherals	LED, POR, WDT
Package / Case	64-LQFP
Package	Tray

Product Attribute	Attribute Value
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Number of I/O	46
Mounting Type	Surface Mount
EEPROM Size	-
Data Converters	-
Core Size	8-Bit
Core Processor	80C51
Connectivity	SmartCard, SPI, UART/USART, USB
Base Product Number	AT89C5122

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	3A991A2
HTSUS	8542.31.0001

Parts Introduction

Manufacturer Part Number

AT89C5122DS-RDTUM

Manufacturer

microchip-technology

Introduction

The AT89C5122DS-RDTUM is a high-performance, low-power, 8-bit microcontroller from Microchip Technology. It is based on the industry-standard 80C51 core and offers a wide range of features, making it suitable for a variety of embedded applications.

Product Features and Performance

80C51 core architecture

48MHz operating speed

32KB of FLASH program memory

768 bytes of RAM

Supports various peripherals including SmartCard, SPI, UART/USART, and USB

Integrated LED, POR, and Watchdog Timer (WDT) peripherals

46 programmable I/O lines

Product Advantages

High-performance 8-bit microcontroller with a wide range of features

Low-power consumption making it suitable for battery-powered applications

Flexible peripheral options for versatile interfacing

Robust security features like SmartCard support

Widely used 80C51 architecture with extensive development ecosystem

Key Reasons to Choose This Product

Powerful 8-bit microcontroller with a proven track record

Comprehensive peripheral support for diverse applications

Low-power design extends battery life in portable devices

Reliability and long-term availability backed by Microchip Technology

Quality and Safety Features

Robust design with industrial-grade operating temperature range (-40°C to 85°C)

Rigorous quality control and testing by Microchip Technology

Compliant with relevant safety and regulatory standards

Compatibility

Compatible with the 80C51 architecture and development tools

Can be used in a wide range of embedded systems and applications

Application Areas

Industrial automation and control

Automotive electronics

Home appliances

Portable devices

Smart metering and IoT applications

Product Lifecycle

The AT89C5122DS-RDTUM is an obsolete product, meaning it is no longer in active production. However, Microchip Technology may still offer alternative or equivalent models that can serve similar purposes. Customers are advised to contact our website's sales team for more information on available options and support for this product.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT89C5122DS-RDTUM

Product Attribute
Part Number	AT89C5122D-RDTUM	AT89C5122DS-ALTUM	AT89C5122D-RDRUM	AT89C5122D-RDRIM
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
RAM Size	-	-	-	-
Program Memory Size	-	-	-	-
Series	-	-	-	-
Program Memory Type	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Connectivity	-	-	-	-
Core Processor	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Speed	-	-	-	-
Voltage - Supply (Vcc/Vdd)	-	-	-	-
EEPROM Size	-	-	-	-
Number of I/O	-	-	-	-
Peripherals	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Oscillator Type	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Data Converters	-	-	-	-
Core Size	-	-	-	-

AT89C5122DS-RDTUM Datasheet PDF

Download AT89C5122DS-RDTUM pdf datasheets and Microchip Technology documentation for AT89C5122DS-RDTUM - Microchip Technology.

Datasheets: AT8xC5122,23/AT83R5122.pdf
PCN Packaging: Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf

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Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

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