ATMEGA8L-8PC Equivalent & Substitute Parts

Part Overview

The ATMEGA8L-8PC is an 8-bit AVR microcontroller manufactured by Microchip Technology, featuring 8KB of FLASH program memory, 1KB of RAM, and 512 bytes of EEPROM. This device integrates 23 I/O pins, internal oscillator, and peripheral support for I2C, SPI, and UART/USART communication protocols. The ATMEGA8L-8PC is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and production continuity.

Substiute Parts

ATMEGA8L-8PC

Microchip TechnologyIn Stock: 1183ATMEGA8L-8PC Datasheet

Current PartRFQ

ATMEGA8L-8PU

Microchip TechnologyIn Stock: 6587ATMEGA8L-8PU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ATMEGA8L-8PC is determined by strict equivalence across the following critical parameters:

• Core processor architecture (AVR)
• Core size (8-Bit)
• Operating frequency (8MHz)
• Memory configuration (8KB FLASH, 1KB RAM, 512 bytes EEPROM)
• I/O pin count (23)
• Supply voltage range (2.7V ~ 5.5V)
• Peripheral feature set (I2C, SPI, UART/USART, Brown-out Detect/Reset, POR, PWM, WDT)
• Package type (28-DIP)
• Mounting technology (Through Hole)

The ATMEGA8L-8PU qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility. Differences in product status, operating temperature range, and RoHS compliance do not affect functional substitution within the specified parameter constraints.

Parameter Comparison

Engineering Selection Recommendations

The ATMEGA8L-8PU is a direct functional equivalent to the ATMEGA8L-8PC. Both devices share identical core architecture, memory configuration, I/O capability, and peripheral feature set. The ATMEGA8L-8PU is classified as Active product status, ensuring continued availability and manufacturing support. The ATMEGA8L-8PU carries ROHS3 compliance certification, whereas the ATMEGA8L-8PC is RoHS non-compliant. The ATMEGA8L-8PU supports an extended operating temperature range of -40°C to 85°C compared to the ATMEGA8L-8PC range of 0°C to 70°C. Selection between these devices should be based on supply chain availability, compliance requirements, and thermal operating environment specifications.

Frequently Asked Questions (FAQ)

Q: Can ATMEGA8L-8PU replace ATMEGA8L-8PC in existing designs?

A: Yes. Both devices are electrically and mechanically identical across all functional parameters including processor architecture, memory capacity, I/O count, peripheral features, and package type. Direct substitution is supported without circuit modification.

Q: What is the difference between the 28-PDIP and 28-DIP package designations?

A: Both designations refer to the same 28-pin dual-in-line package with 0.300-inch (7.62mm) pitch. The terms are used interchangeably in component documentation.

Q: Does the extended operating temperature range of ATMEGA8L-8PU affect compatibility?

A: No. The ATMEGA8L-8PU temperature range of -40°C to 85°C encompasses the ATMEGA8L-8PC range of 0°C to 70°C. The substitute part operates across a wider thermal envelope and remains fully compatible within the original design specifications.

Q: Are there differences in packaging between ATMEGA8L-8PC and ATMEGA8L-8PU?

A: Both devices use 28-DIP through-hole packaging. The ATMEGA8L-8PC is supplied in standard packaging, while the ATMEGA8L-8PU is supplied in tube packaging. The physical component dimensions and pin configuration are identical.

Q: What is the significance of RoHS compliance differences?

A: The ATMEGA8L-8PU meets ROHS3 compliance standards, restricting hazardous substances in manufacturing. The ATMEGA8L-8PC is RoHS non-compliant. Selection depends on regulatory requirements and end-product compliance obligations.