ATXMEGA128D4-MH vs ATXMEGA64D3-MH Comparison
Detailed side-by-side comparison of ATXMEGA128D4-MH by Microchip Technology and ATXMEGA64D3-MH by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATXMEGA128D4-MH - 32MHz AVR XMEGA D4 MCU 128KB Flash | Microchip
ATXMEGA128D4-MH ✓ ActiveMicrochip Technology
ATXMEGA64D3-MH - 64KB Flash 32MHz AVR XMEGA D3 MCU | Microchip
ATXMEGA64D3-MH ✓ ActiveSpecification Comparison
| Parameter | ATXMEGA128D4-MH | ATXMEGA64D3-MH |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.72 | $3.51 |
| Core Architecture | AVR (enhanced RISC), 8/16-bit | AVR XMEGA (8/16-bit RISC) |
| Series | AVR XMEGA D4 | — |
| Maximum Clock Speed | 32 MHz | — |
| Flash Memory | 128 KB (64K x 16) with read-while-write | — |
| EEPROM | 2 KB | — |
| SRAM | 8 KB | 4 KB |
| Supply Voltage (VCC) | 1.6 V to 3.6 V | — |
| I/O Pins | 34 programmable | 34 |
| Package | 44-pin VQFN (7x7 mm) with exposed pad | 64-pin QFN (9x9 mm) with EP |
| Mounting Type | Surface Mount | Surface Mount |
| USART | 2 (one with IrDA support) | 4 |
| TWI (I2C/SMBus) | 2 with dual address match | — |
| SPI | 2 | 2 (USART in SPI mode + dedicated) |
| ADC | 12-bit, multi-channel | 12-bit, up to 2 Msps |
| DAC | 2x 12-bit | 2 x 12-bit |
| Timers/Counters | 4 x 16-bit | — |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| Lifecycle Stage | ACTIVE (per distributor listing) | — |
| Family | — | ATxmega D3 |
| CPU Clock Speed (max) | — | 32 MHz |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Boot Code Section | — | 4 KB |
| Data EEPROM | — | 2 KB |
| Supply Voltage (VDD) | — | 1.6 V to 3.6 V |
| TWI (I2C-compatible) | — | 2 |
| Event System Channels | — | 4 |
| Program/Debug Interface | — | PDI |