ATMEGA48A-CCUR Equivalent & Substitute Parts

Part Overview

The ATMEGA48A-CCUR is an 8-bit AVR microcontroller manufactured by Microchip Technology, featuring 4KB of FLASH program memory, 512 bytes of RAM, and 256 bytes of EEPROM. This device operates at up to 20MHz and supports multiple communication interfaces including I2C, SPI, and UART/USART. The part is currently in active production status with 754 units available in new original stock. Given the critical role of microcontrollers in embedded system design, identifying equivalent and substitute parts ensures design flexibility, supply chain continuity, and project timeline management.

Substiute Parts

ATMEGA48A-CCUR

Microchip TechnologyIn Stock: 778ATMEGA48A-CCUR Datasheet

Current PartRFQ

ATMEGA48A-CCUR

Microchip TechnologyIn Stock: 778ATMEGA48A-CCUR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ATMEGA48A-CCUR is determined by strict equivalence across the following critical parameters:

• Core Architecture: AVR 8-bit processor
• Program Memory: 4KB FLASH (2K x 16)
• RAM: 512 x 8 bytes
• EEPROM: 256 x 8 bytes
• Operating Frequency: 20MHz maximum
• Voltage Supply Range: 1.8V ~ 5.5V
• I/O Count: 23 pins
• Connectivity Interfaces: I2C, SPI, UART/USART
• Package Type: 32-UFBGA (4x4)
• Mounting: Surface Mount
• Compliance: ROHS3 Compliant, REACH Unaffected

Parts meeting all these parameters are considered parametric equivalents and direct substitutes. No deviations in memory configuration, package footprint, or electrical specifications are permitted for functional interchangeability.

Parameter Comparison

Engineering Selection Recommendations

The ATMEGA48A-CCUR is an active product with full ROHS3 compliance and REACH unaffected status, making it suitable for current and future production designs. The part maintains consistent availability with 754 units in new original stock. When selecting this microcontroller or its equivalents, ensure that the 32-UFBGA (4x4) package footprint is accommodated in the PCB design and that reflow soldering processes are qualified for BGA assembly. The active product status ensures continued manufacturer support and supply chain stability for long-term production requirements.

Frequently Asked Questions (FAQ)

Q: What makes a part a direct substitute for the ATMEGA48A-CCUR? A: A direct substitute must match all electrical and mechanical parameters, including 8-bit AVR core architecture, 4KB FLASH memory, 512 bytes RAM, 256 bytes EEPROM, 20MHz maximum frequency, 1.8V to 5.5V supply voltage, 23 I/O pins, and 32-UFBGA (4x4) package configuration.

Q: Can I use a different package variant of the ATMEGA48A? A: No. Package substitution is not permitted. The 32-UFBGA (4x4) package is specific to this part number and cannot be interchanged with other package types such as PDIP, TQFP, or MLF variants without PCB redesign.

Q: Is the ATMEGA48A-CCUR suitable for industrial temperature applications? A: The ATMEGA48A-CCUR operates across -40°C to 85°C, which covers industrial temperature ranges. Verify that your specific application requirements fall within this operating window.

Q: What is the significance of the ROHS3 compliance marking? A: ROHS3 compliance indicates that the part meets Restriction of Hazardous Substances Directive requirements, making it suitable for use in regulated markets and environmentally conscious supply chains.

Q: How does the Moisture Sensitivity Level (MSL) of 3 affect handling? A: MSL 3 (168 Hours) specifies that the component must be stored in controlled humidity conditions and used within 168 hours of exposure to ambient moisture. Proper storage in dry-pack conditions and adherence to moisture reflow guidelines are required.