AT89S51-24AI - Microchip Technology

Manufacturer Part Number

AT89S51-24AI

Manufacturer

Microchip Technology

Introduction

The AT89S51-24AI is an 8-bit microcontroller from Microchip Technology's 89S series, designed for embedding into electronics that require control, user interface, or signal processing capabilities.

Product Features and Performance

Core Processor: 8051

Core Size: 8-Bit

Speed: 24MHz

Connectivity: UART/USART for serial communication

Peripherals: Watchdog Timer (WDT) for system reliability

Number of I/O: 32 for versatile device control

Program Memory Size: 4KB (4K x 8) FLASH for program storage

RAM Size: 128 x 8 for operational data storage

Voltage Supply (Vcc/Vdd): 4V to 5.5V for adaptable power requirements

Oscillator Type: Internal for easy clock generation

Operating Temperature: -40°C to 85°C for reliability in extreme conditions

Mounting Type: Surface Mount for modern PCB designs

Package / Case: 44-TQFP (10x10) for compactness

Product Advantages

High-speed 24MHz operation for fast processing

Robust I/O capability enables versatile control and interfacing

Internal FLASH memory facilitates easy program updates

Integrated WDT improves system stability and reliability

Wide operating temperature range suitable for harsh environments

Key Technical Parameters

Core Size: 8-Bit

Speed: 24MHz

Program Memory: 4KB FLASH

RAM: 128 x 8

I/O Pins: 32

Operating Voltage: 4V ~ 5.5V

Temperature Range: -40°C ~ 85°C

Quality and Safety Features

Stringent manufacturing standards from Microchip Technology

Robust design ensuring long-term reliability under varying conditions

Compatibility

Compatible with UART/USART peripherals for broad communication capabilities

Adaptable to various power supplies within 4V to 5.5V range

Application Areas

Industrial control systems

Home automation

Embedded systems for signal processing

Hobbyist electronics projects

Product Lifecycle

Status: Obsolete

Microchip Technology provides guidance for replacements or upgrades, ensuring long-term support

Several Key Reasons to Choose This Product

High-performance 8051 core at 24MHz for swift data processing

Extensive I/O capabilities enabling complex control schemes

Internal FLASH makes program modifications simple and quick

Wide temperature operation range ensures reliability in extreme conditions

Obsolete status is counteracted by Microchip's support for transition to new models