Microchip Technology ATXMEGA256D3-MHR Microcontrollers
IC MCU 8/16BIT 256KB FLASH 64QFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATXMEGA256D3-MHR
Base Model
Detailed Description
IC MCU 8/16BIT 256KB FLASH 64QFN
Package
64-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATXMEGA256D3-MHR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATXMEGA256D3-MHR Microcontrollers technical specifications.
General
Interface
I2C, IrDA, LIN, SPI, UART, USART
Memory Size
128 kB
RAM Size
16K x 8
Data Bus Width
8 b
RoHS
Yes
Number of Pins
64
Package / Case
64-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.6V ~ 3.6V
Related Parts Comparison (ATXMEGA256D3-MHR vs ATXMEGA256D3-MN vs ATXMEGA256D3-ANR vs ATXMEGA256D3-MNR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-TQFP | 64-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 1.6V ~ 3.6V | 1.6V ~ 3.6V | 1.6V ~ 3.6V | 1.6V ~ 3.6V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8/16-Bit | 8/16-Bit | 8/16-Bit | 8/16-Bit |
| RAM Size | 16K x 8 | 16K x 8 | 16K x 8 | 16K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, IrDA, SPI, UART/USART | I²C, IrDA, SPI, UART/USART | I²C, IrDA, SPI, UART/USART | I²C, IrDA, SPI, UART/USART |
| Data Converters | A/D 16x12b | A/D 16x12b | A/D 16x12b | A/D 16x12b |
| EEPROM Size | 4K x 8 | 4K x 8 | 4K x 8 | 4K x 8 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
NXP
IC MCU 16BIT 256KB FLASH 112LQFP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.