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AT89S53-24JU

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AT89S53-24JU

IC MCU 8BIT 12KB FLASH 44PLCC

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

Microchip Technology AT89S53-24JU is an 8-bit microcontroller based on the 8051 core. This 89S series device features 12KB of FLASH program memory, 256 bytes of RAM, and operates at a maximum speed of 24MHz. Connectivity options include SPI and UART/USART interfaces. The AT89S53-24JU is supplied in a 44-PLCC (J-Lead) package with surface mount capabilities. It includes a watchdog timer (WDT) peripheral and 32 general-purpose I/O pins. Designed for operation within a supply voltage range of 4V to 6V and an ambient temperature range of -40°C to 85°C, this component is suitable for applications in industrial automation, consumer electronics, and automotive systems.

Additional Information

Series: 89SRoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:
Technical Details:
PackagingTube
Package / Case44-LCC (J-Lead)
Mounting TypeSurface Mount
Speed24MHz
Program Memory Size12KB (12K x 8)
RAM Size256 x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size-
Core Processor8051
Data Converters-
Core Size8-Bit
Voltage - Supply (Vcc/Vdd)4V ~ 6V
ConnectivitySPI, UART/USART
PeripheralsWDT
Supplier Device Package44-PLCC (16.6x16.6)
Number of I/O32
ProgrammableNot Verified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

Frequently Asked Questions

As a full line supplier, we specialize in sourcing obsolete and hard to find electronic components for your projects.

After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

Once requirements such as date codes, quantities, target prices, testing requirements, and more are discussed, our purchasing team will secure stock through Microchip USA’s direct access to manufacturing partners’ excess inventory lists.

Our operations teams will handle logistics and fulfillment to ensure supply chain continuity, and our support team will provide clear communication throughout the process.

Our net terms for electronic component sourcing are flexible and vary by order. Our account executives will work with you to ensure our terms meet your company’s needs. We also offer scheduled shipments and inventory management solutions to ensure a steady supply of electronic components, maintain cash flow, and maximize warranty periods. We always offer a warranty on all tested parts. See our sales terms and conditions for more information.

We partner with industry-leading AS6171 & AS6081-certified third party testing labs to mitigate risk and support a wide array of end uses for your company’s requirements. Testing includes but isn’t limited to: Decapsulation & Internal Dye Verification. X-Ray Inspection & Analysis, External Visual Inspection, Surface Texture Analysis (SEM), and Electrical Pin Correlation.

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