ATMEGA8L-8MI Equivalent & Substitute Parts Reference

Part Overview

The ATMEGA8L-8MI (Microchip Technology) is an 8-bit AVR® ATmega microcontroller IC featuring 8KB Flash memory, 32-VQFN (5x5) packaging, and a range of embedded peripherals and connectivity options such as I2C, SPI, and UART/USART. The product status is Obsolete. When a component's status is Obsolete, it becomes necessary for engineers to identify compatible substitute models to maintain availability and support ongoing or future projects without redesign.

Substiute Parts

ATMEGA8L-8MI

Microchip TechnologyIn Stock: 4273ATMEGA8L-8MI Datasheet

Current PartRFQ

ATMEGA8L-8MU

Microchip TechnologyIn Stock: 1995ATMEGA8L-8MU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are identified strictly by matching essential electrical, mechanical, and compliance parameters. The substitutes listed for ATMEGA8L-8MI share the same core processor, memory specifications, operating temperature range, package type, connectivity options, and peripherals. Key substitution parameters include:

• Pin-compatible package (32-VQFN, 5x5)
• Identical program memory size and type
• Matching supply voltage range
• Equivalent I/O count, processor core, and speed
• The same set of peripherals and data converters
• Compliance with specified environmental and regulatory standards

Parameter Comparison

Engineering Selection Recommendations

ATMEGA8L-8MU is an acceptable substitute for ATMEGA8L-8MI based on direct equivalency in electrical, mechanical, and functional parameters, as provided. ATMEGA8L-8MU maintains an active product status and is ROHS3 compliant, addressing environmental requirements. Engineers should consider package moisture sensitivity levels (MSL): ATMEGA8L-8MI is rated at MSL 1 (Unlimited), while ATMEGA8L-8MU has MSL 3 (168 Hours), which may impact handling requirements in manufacturing. Both parts have REACH unaffected status and identical ECCN classification, supporting global compliance.

Frequently Asked Questions (FAQ)

Q1: What criteria are used to determine the substitution compatibility of ATMEGA8L-8MI and ATMEGA8L-8MU?
A1: Substitution is determined by matching core processor, memory size and type, I/O count, supply voltage, data converters, operating temperature, package type, connectivity, peripherals, and compliance standards.

Q2: Are ATMEGA8L-8MI and ATMEGA8L-8MU pin-compatible and functionally equivalent?
A2: Both parts feature the same 32-VQFN (5x5) package and identical functional parameters as provided, ensuring pin compatibility and functional equivalence.

Q3: Are there differences in environmental compliance between the two parts?
A3: ATMEGA8L-8MU is ROHS3 compliant, while ATMEGA8L-8MI is RoHS non-compliant. Both have REACH unaffected status.

Q4: What distinctions exist in moisture sensitivity levels (MSL)?
A4: ATMEGA8L-8MI has MSL 1 (Unlimited), whereas ATMEGA8L-8MU has MSL 3 (168 Hours). Manufacturers must adhere to appropriate handling protocols in accordance with the MSL ratings.

Q5: Why is substitution necessary for ATMEGA8L-8MI?
A5: Substitution is necessary due to the Obsolete status of ATMEGA8L-8MI, ensuring availability and continuity for designs requiring this specific embedded microcontroller configuration.

Q6: Is there any difference in supply voltage or functional range?
A6: Both parts share a supply voltage range of 2.7V ~ 5.5V and identical operating temperature range, supporting direct replacement in existing designs.

Q7: Is the ATMEGA8L-8MU an active part number with available inventory?
A7: According to the provided parameters, ATMEGA8L-8MU is Active and in stock.