ATMEGA325A-AUR vs ATMEGA329A-AUR Comparison
Detailed side-by-side comparison of ATMEGA325A-AUR by Microchip Technology and ATMEGA329A-AUR 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
ATMEGA325A-AUR - 32KB Flash 20MHz 8-Bit AVR MCU | Microchip
ATMEGA325A-AUR ✓ ActiveMicrochip Technology
ATMEGA329A-AUR - AVR 8-bit MCU 32KB Flash 20MHz | Microchip
ATMEGA329A-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325A-AUR | ATMEGA329A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.72 | $2.68 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Program Memory Size | 32 KB (16K x 16) ISP Flash | — |
| SRAM Size | 2 KB | — |
| EEPROM Size | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8V to 5.5V |
| Number of I/O Lines | 54 | — |
| Package | 64-TQFP (14x14 mm), 0.8 mm pitch | 64-TQFP (14x14 mm) |
| Mounting Style | Surface Mount | — |
| Instruction Set | 131 instructions, mostly single-cycle | — |
| ADC Resolution | 10-bit | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | 2 x USART, SPI, TWI (I2C) | — |
| Debug / Programming | JTAG, ICSP in-system programming | — |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Lifecycle Status | Active | — |
| Reel Packaging | Tape & Reel (R suffix) | — |
| Flash Memory | — | 32KB (16K x 16) |
| SRAM | — | 2KB |
| EEPROM | — | 1KB |
| Maximum Clock Speed | — | 20MHz |
| I/O Ports | — | 32 I/O lines |
| LCD Controller | — | Integrated, up to 132 segments |
| ADC | — | 10-bit |
| Package Pitch | — | 0.8 mm |
| Package Height | — | 1 mm |
| Mounting Type | — | Surface Mount |
| Programming Interface | — | ICSP (In-Circuit Serial Programming) |
| Life Cycle Stage | — | Active |
| Qualification | — | Industrial grade (Ind Grn) |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |