ATTINY28L-4PI

Overview

The ATTINY28L-4PI is an 8-bit microcontroller based on the AVR RISC architecture, manufactured by Microchip Technology. It features 2K bytes of Flash program memory and operates at a maximum clock frequency of 4 MHz within a voltage range of 2.7V to 5.5V. The device includes 11 programmable I/O lines, an 8-bit Timer/Counter, an analog comparator, and a high-current LED driver. It utilizes a 28-lead PDIP package and supports industrial operating temperatures from -40°C to +85°C.

Feature Summary

• Executes powerful instructions in a single clock cycle for efficient processing.
• Incorporates nonvolatile Flash program memory with programming lock security.
• Features low-power Idle and Power-down modes for optimized energy consumption.
• Integrates a built-in high-current LED driver with programmable modulation.

Applications

• Embedded control systems requiring low power consumption.
• Applications utilizing the high-current LED driver functionality.
• Industrial environments necessitating extended temperature operation ranges.

Procurement Notes

Verify the specific ordering code ATTINY28L-4PI against official Microchip documentation to confirm package type and speed grade. Ensure compatibility with the required voltage supply range of 2.7V to 5.5V. Confirm that the industrial temperature rating meets the operational requirements of the target environment before finalizing procurement decisions.

Selection Notes

Select this component when a cost-effective 8-bit solution with integrated LED driving capabilities is required. The ATtiny28L variant specifically suits designs needing operation between 2.7V and 5.5V, distinguishing it from the wider voltage range ATtiny28V. Consider the PDIP package for through-hole mounting needs in industrial applications.

Part Context

This device belongs to the ATtiny28 family of 8-bit microcontrollers. It shares architectural similarities with other AVR-based devices but is distinct in its specific peripheral set, including the dedicated LED driver and analog comparator. The 'L' suffix denotes the 2.7V minimum voltage specification, differentiating it from the 'V' series which supports lower voltages down to 1.8V.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with other ATtiny28 variants such as ATTINY28V-4PI or ATTINY28L-4PU only if electrical specifications and pin configurations match exactly.

FAQ

What is the maximum operating speed for the ATTINY28L-4PI?

The maximum operating speed for the ATTINY28L-4PI is 4 MHz.

Does the ATTINY28L-4PI include an Analog Comparator?

Yes, the device integrates an on-chip Analog Comparator as one of its peripheral features.