ATTINY25-20MU

Overview

The ATTINY25-20MU is an 8-bit AVR microcontroller featuring a high-performance RISC architecture with 120 instructions, most executing in a single clock cycle. It includes 2 KB of In-System Programmable Flash memory, 128 bytes of EEPROM, and 128 bytes of internal SRAM. The device operates at frequencies up to 20 MHz within a supply voltage range of 2.7 V to 5.5 V. It integrates six programmable I/O lines, a 4-channel 10-bit ADC, two PWM channels, and a Universal Serial Interface (USI).

Feature Summary

• AVR enhanced RISC architecture achieving throughput approaching 1 MIPS per MHz.
• In-system programmable non-volatile memories including Flash, EEPROM, and SRAM.
• Integrated peripheral features such as a 10-bit ADC, USI, and dual PWM channels.
• Supports multiple low-power operating modes including Idle, Power-down, and ADC Noise Reduction.

Applications

• Speed control circuits utilizing internal oscillators.
• Embedded systems requiring efficient power consumption versus processing speed optimization.
• Applications necessitating touch sensing interfaces via QTouch Library integration.

Procurement Notes

Verify the specific ordering code suffix against official Microchip documentation to confirm package type and lead finish specifications. Ensure compatibility with the required industrial temperature range and voltage grade before procurement. Confirm that the selected variant matches the intended application constraints regarding speed and memory capacity.

Selection Notes

Select this component for designs requiring a balance of processing speed and low power consumption. Consider the 20 MHz speed grade when operating within the 2.7 V to 5.5 V supply range. Evaluate the need for the 20-pad QFN/MLF package if space constraints dictate a surface-mount solution over PDIP or SOIC options.

Part Context

This device belongs to the ATtiny25/45/85 family of 8-bit microcontrollers manufactured by Microchip Technology. It utilizes Atmel's high-density non-volatile memory technology and supports debugWIRE on-chip debugging. The family shares a common instruction set and peripheral structure, differing primarily in memory sizes and pin counts.

Replacement Considerations

ATtiny25V-20MU