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Microchip AT89S8252-24PI

Programmable device in-line package (PDIP) with 40 pins

ISO14001 ISO9001 DUNS

Brands: Microchip

Mfr.Part #: AT89S8252-24PI

Datasheet: AT89S8252-24PI Datasheet (PDF)

Package/Case: PDIP-40

Product Type: Microcontrollers

RoHS Status:

Stock Condition: 6,162 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

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AT89S8252-24PI General Description

The AT89S8252-24PI microcontroller, part of Atmel's AT89S8252 series, is a high-performance and power-efficient solution for embedded systems. Operating at a maximum frequency of 24 MHz, it offers the processing power needed for diverse applications. With 8 KB of Flash memory and 256 bytes of RAM, it provides ample storage for program and data storage, while the 32 I/O pins allow for flexible configuration of communication interfaces. The microcontroller features a 10-bit ADC with 8 channels for precise analog signal sensing and measurement, as well as an on-chip timer/counter for accurate timing and control of external devices. With on-chip oscillator and clock circuitry, the AT89S8252-24PI reduces the need for external components and simplifies system design


  • The AT89S8 microcontroller has 32KB of flash memory, 2KB of RAM and 32 I/O lines
  • It features two 16-bit timer/counters, a full-duplex UART and a 6-channel PWM module
  • The device operates at 24MHz with a wide operating voltage range and low power consumption
  • It is compatible with the AVR architecture and supports in-system programming
  • It has a powerful instruction set and can operate at speeds up to 24MHz


  • Flexible for various applications
  • Reliable performance
  • Great for embedded systems


Parameter Value Parameter Value
Product Category 8-bit Microcontrollers - MCU RoHS N
Series Microcontroller Mounting Style Through Hole
Package / Case PDIP-40 Core 8051
Program Memory Size 8 kB Data Bus Width 8 bit
ADC Resolution No ADC Maximum Clock Frequency 24 MHz
Number of I/Os 32 I/O Data RAM Size 256 B
Supply Voltage - Min 4 V Supply Voltage - Max 6 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Brand Microchip Technology Data ROM Type Flash
Height 4.83 mm Interface Type SPI, UART
Length 52.58 mm Number of Timers/Counters 3 Timer
Product MCU Product Type 8-bit Microcontrollers - MCU
Program Memory Type Flash Factory Pack Quantity 9
Subcategory Microcontrollers - MCU Width 13.97 mm
Unit Weight 0.210004 oz


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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


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We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

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Part points

  • The AT89S8252-24PI is a high-performance, low-power 8-bit microcontroller from Atmel. It features 4KB of Flash memory, 256 bytes of RAM, and 32 I/O pins. Operating at 24 MHz, it offers a wide range of communication interfaces and peripherals, making it suitable for various embedded applications.
  • Equivalent

    Equivalent products of AT89S8252-24PI chip are AT89C51RC2, AT89S8252-16PI, AT89C51CC03UA and AT89C51ED2-SLSUM. These chips are microcontrollers based on the 8051 architecture with similar features and performance characteristics.
  • Features

    The AT89S8252-24PI is an 8-bit microcontroller with 8KB of programmable Flash memory, 256 bytes of RAM, and 32 I/O lines. It operates at a maximum frequency of 24MHz and includes a UART for serial communication, 3 timers/counters, and an 8-channel 10-bit analog-to-digital converter. It also has a power-saving mode and operates on a wide voltage range.
  • Pinout

    The AT89S8252-24PI is a microcontroller with 40 pins. It features an 8051-compatible core with 25 MHz maximum frequency, 8 KB flash memory, 256 bytes RAM, 256 bytes EEPROM, 32 I/O pins, serial communication interfaces, timers/counters, and interrupt controller.
  • Manufacturer

    AT89S8252-24PI is manufactured by Atmel Corporation, which is a semiconductor company that produces microcontrollers, touch sensors, and other integrated circuit products. Atmel was acquired by Microchip Technology in 2016 and is now operating as a subsidiary of the company.
  • Application Field

    The AT89S8252-24PI microcontroller is commonly used in applications such as industrial control systems, automotive electronics, home automation, and consumer electronics. It is also used in projects that require advanced embedded system programming with features like UART, SPI, I2C, and PWM for diverse applications.
  • Package

    The AT89S8252-24PI chip comes in a 40-pin PDIP (Plastic Dual In-line Package) form with a size of 16.92mm x 6.35mm.

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