ATTINY22L-1PC

Overview

The ATtiny22L-1PC is an 8-bit microcontroller based on the AVR RISC architecture, manufactured by Microchip Technology. It features 2K bytes of in-system programmable Flash memory, 128 bytes of EEPROM, and 128 bytes of SRAM. The device operates within a voltage range of 2.7V to 6.0V and includes an internal RC oscillator providing approximately 1MHz at 5.0V. It offers five programmable I/O lines and supports SPI serial interface for programming. The component is housed in an 8-pin PDIP package and is rated for commercial operation temperatures between 0°C and 70°C.

Feature Summary

• Utilizes high-performance AVR RISC architecture with single-clock-cycle execution for efficient processing.
• Integrates non-volatile Flash, EEPROM, and SRAM for flexible data storage and program management.
• Supports low-power consumption through selectable Idle and Power Down modes.
• Includes built-in peripheral features such as an 8-bit Timer/Counter and a programmable Watchdog Timer.

Applications

• Embedded control systems requiring low power consumption
• In-system programming applications via SPI interface
• Simple sensor monitoring and data logging tasks

Procurement Notes

Verify that the specific ordering code matches the required speed grade and temperature range. Confirm the package type corresponds to the design requirements. Ensure compatibility with existing development tools and compilers. Check for any recent product change notifications or lifecycle status updates before finalizing procurement decisions.

Selection Notes

Select this component when a cost-effective 8-bit solution with moderate memory capacity is needed. Consider the internal oscillator accuracy if precise timing is critical. Evaluate the available I/O lines against system interface requirements. Review power consumption specifications to ensure compliance with battery-operated constraints.

Part Context

This part belongs to the ATtiny series of microcontrollers, designed for embedded applications. It shares architectural similarities with other AVR devices but offers specific memory and pin configurations tailored for compact designs. The series emphasizes ease of use and low power operation for general-purpose control tasks.

Replacement Considerations

Consult official documentation for compatible substitutes. Verify electrical characteristics and pinout compatibility before replacement.

FAQ

What is the maximum operating voltage for the ATtiny22L-1PC?

The maximum operating voltage is 6.0V.

Does the ATtiny22L support external interrupts?

Yes, it includes external and internal interrupt sources.