ATXMEGA64D4-MN Equivalent & Substitute Parts

Part Overview

The ATXMEGA64D4-MN is an AVR XMEGA D4 series microcontroller manufactured by Microchip Technology, designed for embedded applications requiring 8/16-bit processing at 32MHz with 64KB flash memory. This device is currently in active production status. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate packaging or inventory preferences while maintaining electrical and mechanical compatibility.

Substiute Parts

ATXMEGA64D4-MN

Microchip TechnologyIn Stock: 1231ATXMEGA64D4-MN Datasheet

Current PartRFQ

ATXMEGA64D4-MH

Microchip TechnologyIn Stock: 2143ATXMEGA64D4-MH Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ATXMEGA64D4-MN is determined by strict equivalence across the following critical parameters:

• Core processor architecture (AVR)
• Core size (8/16-Bit)
• Operating frequency (32MHz)
• Program memory capacity and type (64KB FLASH)
• EEPROM and RAM specifications (2K x 8 and 4K x 8 respectively)
• Supply voltage range (1.6V ~ 3.6V)
• Data converter specifications (A/D 12x12b)
• I/O count (34 pins)
• Connectivity interfaces (I2C, IrDA, SPI, UART/USART)
• Peripheral features (Brown-out Detect/Reset, POR, PWM, WDT)
• Physical package format (44-VQFN with 7x7mm dimensions)

The ATXMEGA64D4-MH qualifies as a direct substitute based on identical electrical specifications and package geometry. Differences in packaging format (Tray vs. unspecified) and operating temperature range do not preclude functional substitution in applications within the overlapping temperature specification.

Parameter Comparison

Engineering Selection Recommendations

Both the ATXMEGA64D4-MN and ATXMEGA64D4-MH are active production devices from Microchip Technology with identical electrical and mechanical specifications. Selection between these parts should be based on:

• Packaging format requirements (Tray packaging for ATXMEGA64D4-MH)
• Operating temperature range constraints (ATXMEGA64D4-MN supports extended range to 105°C; ATXMEGA64D4-MH to 85°C)
• Supply chain availability and lead times
• Compliance certifications (both are ROHS3 compliant and REACH unaffected)

For applications requiring operation above 85°C, the ATXMEGA64D4-MN is the appropriate selection. For standard industrial temperature ranges, either part is functionally equivalent.

Frequently Asked Questions (FAQ)

Q: Can ATXMEGA64D4-MH be used as a direct replacement for ATXMEGA64D4-MN?

A: Yes, the ATXMEGA64D4-MH is a direct electrical and mechanical substitute for the ATXMEGA64D4-MN in applications operating within the -40°C to 85°C temperature range. Both devices share identical core specifications, memory configurations, I/O counts, and package geometry.

Q: What is the difference between these two part numbers?

A: The primary differences are packaging format (Tray for MH) and maximum operating temperature (85°C for MH versus 105°C for MN). All electrical specifications, memory sizes, and peripheral features are identical.

Q: Are there any compatibility concerns with PCB layout or footprint?

A: No. Both parts use the 44-VQFN (7x7mm) package with exposed pad, ensuring identical PCB footprints and layout compatibility.

Q: Do both parts require the same firmware?

A: Yes. The ATXMEGA64D4-MN and ATXMEGA64D4-MH are software-compatible. Firmware developed for one device operates identically on the other without modification.

Q: Which part should be selected for high-temperature applications?

A: The ATXMEGA64D4-MN supports operation to 105°C and is the appropriate choice for applications requiring extended temperature range operation above 85°C.