AT89C55WD-24JC - Microchip Technology

Manufacturer Part Number

AT89C55WD-24JC

Manufacturer

Microchip Technology

Introduction

The AT89C55WD-24JC is an 8-bit microcontroller from Microchip Technology's 89C series with a built-in 8051 core, primarily designed for embedded control applications.

Product Features and Performance

8051 Core Processor

8-Bit Core Size

24MHz Clock Speed

UART/USART Connectivity

Watchdog Timer (WDT)

32 number of I/O Ports

20KB Program Memory (20K x 8 FLASH)

256 x 8 RAM Size

Internal Oscillator

Surface Mount Mounting Type

44-PLCC (16.6x16.6) Supplier Device Package

44-LCC (J-Lead) Package/Case

Product Advantages

High-speed performance at 24MHz

Adequate program memory size for complex tasks

Large number of I/Os for versatile port connections

Stable operation with internal watchdog timer

Ease of mounting with surface mount package

Compatible with 8051 microcontroller applications

Key Technical Parameters

Speed: 24MHz

Program Memory Size: 20KB

RAM Size: 256 bytes

Voltage Supply Range: 4.5V to 5.5V

Number of I/O: 32

Operating Temperature Range: 0°C to 70°C

Quality and Safety Features

Robust industrial standard 8051 core

Operating temperature suited for most commercial applications

Compatibility

Compatible with many 8051 microcontroller based systems

Can interface with UART/USART for communications

Application Areas

Ideal for embedded control systems

Suitable for industrial automation

Can be used in consumer electronics

Applicable in automotive systems

Product Lifecycle

Obsolete status

Potential need for finding replacements or considering upgrades

Several Key Reasons to Choose This Product

High integration with 20KB FLASH program memory and 256 bytes of RAM

Proven technology with 8051 core suitable for a wide range of applications

Flexible voltage requirements accommodating 4.5V to 5.5V

A broad operating temperature range from 0°C to 70°C

Adequate connectivity options and peripherals for complex tasks

Built-in internal oscillator reducing external component requirements

Ample I/O ports allowing extensive peripheral and sensor connections

Surface mount technology for convenient PCB design and space-saving installation

Microchip Technology's reputation for reliable and durable products