ATMEGA8L-8PU

Overview

The ATMEGA8L-8PU is an 8-bit AVR RISC microcontroller manufactured by Microchip Technology, housed in a 28-lead PDIP package. It features 8 Kbytes of In-System Programmable Flash, 512 Bytes of EEPROM, and 1 Kbyte of Internal SRAM. The device operates within a voltage range of 2.7V to 5.5V and supports clock frequencies up to 8MHz. It includes 23 programmable I/O lines, three Timer/Counters, a 6-channel 10-bit ADC, and multiple communication interfaces including SPI, USART, and Two-wire Serial Interface.

Feature Summary

• Advanced RISC architecture with most instructions executing in a single clock cycle for high throughput efficiency.
• High endurance non-volatile memory segments allowing true Read-While-Write operation and software security via programming locks.
• Integrated peripheral set featuring flexible Timer/Counters, a 6-channel 10-bit ADC, and versatile serial communication modules.
• Five selectable power-saving modes designed to optimize system performance against power consumption requirements.

Applications

• Embedded control systems requiring low-power operation
• Industrial applications utilizing the industrial temperature range
• Consumer electronics powered by standard voltage supplies

Procurement Notes

Verify component authenticity through official Microchip channels or authorized distributors. Confirm that the ordering suffix matches the required package type and speed grade. Check current lifecycle status as this specific variant may be designated as Not Recommended for New Designs (NRND). Ensure compliance with RoHS directives if lead-free packaging is required for your assembly process.

Selection Notes

Select this model when a PDIP package is necessary for prototyping or through-hole mounting. The 'L' suffix indicates support for lower supply voltages down to 2.7V compared to standard variants. The '8' suffix limits maximum operating frequency to 8MHz; higher speed requirements necessitate different speed grades. Verify that the 6-channel ADC configuration meets application needs, as other packages offer more channels.

Part Context

This component belongs to the Atmel AVR ATmega family of 8-bit microcontrollers. It utilizes the high-density non-volatile memory technology developed by Atmel, now part of Microchip Technology. The ATmega8 series is widely recognized for its balance of processing capability and power efficiency in embedded environments.

Replacement Considerations

Public confirmed substitute part numbers: ATMEGA8A-PU, ATMEGA8L-8AU, ATMEGA8L-8MUR.