Microchip Technology

AT90S4434-8JC  

Microcontrollers

AT90S4434-8JC Description

The AT90S4434-8JC is an 8-bit microcontroller from Microchip Technology's AVR® 90S series, designed for embedded applications requiring robust performance and extensive I/O capabilities. This microcontroller features a core AVR processor, offering a balance of processing power and energy efficiency. It operates at a speed of 8MHz, providing sufficient performance for a wide range of applications. The AT90S4434-8JC is housed in a surface mount package, specifically a tube, making it suitable for automated assembly processes and compact designs.

AT90S4434-8JC Features

• Core Processor: The AT90S4434-8JC is powered by an AVR core processor, known for its high performance and low power consumption.
• Program Memory: It includes 4KB of FLASH memory (2K x 16), providing ample space for storing program instructions.
• EEPROM Size: The microcontroller features 256 bytes of EEPROM (256 x 8), ideal for storing configuration data and other non-volatile information.
• RAM Size: With 256 bytes of RAM (256 x 8), it offers sufficient memory for temporary data storage and processing.
• Number of I/O: The AT90S4434-8JC boasts 32 I/O lines, providing extensive connectivity options for interfacing with various peripherals and sensors.
• Peripherals: It includes essential peripherals such as Power-On Reset (POR), Pulse Width Modulation (PWM), and a Watchdog Timer (WDT), enhancing its functionality and reliability.
• Data Converters: The microcontroller features an 8-channel 10-bit Analog-to-Digital Converter (A/D 8x10b), making it suitable for applications requiring analog signal processing.
• Connectivity: It supports SPI and UART/USART communication protocols, facilitating easy integration with other devices and systems.
• Operating Temperature: The AT90S4434-8JC operates within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and consumer applications.
• Voltage - Supply (Vcc/Vdd): It operates within a supply voltage range of 4V to 6V, ensuring compatibility with a wide range of power sources.
• Moisture Sensitivity Level (MSL): The microcontroller has an MSL rating of 2 (1 Year), indicating its resistance to moisture and suitability for long-term storage.
• Oscillator Type: It features an internal oscillator, reducing the need for external components and simplifying the design.
• REACH Status: The AT90S4434-8JC is REACH unaffected, ensuring compliance with environmental regulations.
• Product Status: Although the product is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.

AT90S4434-8JC Applications

The AT90S4434-8JC is ideal for a variety of applications due to its robust feature set and extensive I/O capabilities. Some specific use cases include:

• Industrial Control Systems: The microcontroller's extensive I/O and peripherals make it suitable for controlling and monitoring industrial processes.
• Consumer Electronics: Its compact size and low power consumption make it ideal for consumer devices requiring reliable performance and minimal power draw.
• Automotive Applications: The AT90S4434-8JC's operating temperature range and robustness make it suitable for automotive applications, such as engine control units and infotainment systems.
• Medical Devices: The microcontroller's reliability and compliance with environmental regulations make it suitable for medical devices requiring precise control and data processing.
• Smart Home Systems: Its connectivity options and processing capabilities make it ideal for smart home applications, such as home automation controllers and smart meters.

Conclusion of AT90S4434-8JC

The AT90S4434-8JC is a versatile and reliable 8-bit microcontroller from Microchip Technology, offering a comprehensive set of features and capabilities. Its extensive I/O, robust peripherals, and low power consumption make it suitable for a wide range of applications, from industrial control systems to consumer electronics. Despite being marked as obsolete, the AT90S4434-8JC remains a reliable choice for legacy systems and applications where its specific features are required. Its compliance with environmental regulations and extensive connectivity options further enhance its appeal in modern embedded systems.

AT90S4434-8JC Documents

Download datasheets and manufacturer documentation for AT90S4434-8JC

Datasheets :

AT90S/LS4434      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

HTML Datasheet :

AT90S/LS4434      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH