AT89C4051-24SI - Microchip Technology

Manufacturer Part Number

AT89C4051-24SI

Manufacturer

Microchip Technology

Introduction

The AT89C4051-24SI is an 8-bit microcontroller from Microchip Technology’s 89C series, designed with an 8051 core processor. It operates at 24MHz and is packaged in a 20-SOIC surface mount type.

Product Features and Performance

Core Processor: 8051

Core Size: 8-Bit

Speed: 24MHz

Connectivity: UART/USART

Internal Oscillator

Operating Temperature Range: -40°C to 85°C

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

RAM Size: 128 x 8

Number of I/O: 15

Peripherals: Brown-out Detect/Reset, LED, Power-on Reset

Product Advantages

Robust speed options suitable for a variety of applications

Enhanced connectivity with UART/USART integration

Reliable performance in extreme temperature conditions

Efficient program and data management with FLASH memory and adequate RAM

Key Technical Parameters

Speed: 24MHz

Program Memory: 4KB FLASH

RAM: 128 Bytes

Number of I/O Ports: 15

Supply Voltage: 4V to 6V

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Brown-out Detect/Reset for system stability

Power-on Reset to avoid improper start-up sequences

Compatibility

Surface Mount 20-SOIC device package compatible with standard PCB assembly processes

Application Areas

Industrial Automation

Consumer Electronics

Automotive systems

Telecommunication systems

Product Lifecycle

Status: Obsolete

Note: Users may need to identify replacements or upgrades as this model is nearing discontinuation.

Several Key Reasons to Choose This Product

High reliability in harsh environments due to wide operating temperature range

Suitable memory options accommodating diverse application software needs

Attractive price-performance ratio ideal for cost-sensitive applications

Embedded UART/USART facilitates easy implementation into communication tools

Compact and durable surface mount package.