ATMEGA3290PA-AUR vs ATMEGA329PA-MUR Comparison
Detailed side-by-side comparison of ATMEGA3290PA-AUR by Microchip Technology and ATMEGA329PA-MUR 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
ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3290PA-AUR β ActiveMicrochip Technology
ATMEGA329PA-MUR - 8-bit AVR 20MHz 32KB Flash MCU 64-QFN | Microchip
ATMEGA329PA-MUR β ActiveSpecification Comparison
| Parameter | ATMEGA3290PA-AUR | ATMEGA329PA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.95 | $3.85 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Program Memory Type | FLASH | In-System Programmable Flash (read-while-write) |
| Program Memory Size | 32KB (16K x 16) | β |
| RAM Size | 2KB | β |
| EEPROM Size | 1KB | β |
| Maximum Clock Frequency | 20 MHz | β |
| Supply Voltage Range | 4.5 V to 5.5 V | β |
| Instruction Set | 131 powerful instructions, most single-clock cycle | β |
| LCD Driver | 4 x 40 Segment LCD Driver | β |
| Timers | Two 8-bit timer/counters with separate prescaler and compare mode; one 16-bit timer/counter | β |
| Package | TQFP-100 (14x14 mm), 0.8 mm pitch | 64-lead QFN (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Programming Method | In-System Programmable (ISP), self-programming Flash | β |
| Power Modes | Idle, Power-save, Power-down, Standby, Extended Standby (picoPower) | β |
| RoHS Status | Green / Compliant (per FindIC listing) | Compliant |
| Core | β | AVR 8-bit RISC |
| Program Memory (Flash) | β | 32 KB |
| SRAM | β | 2 KB |
| EEPROM | β | 1 KB |
| Maximum CPU Speed | β | 20 MHz |
| Supply Voltage (Vcc) | β | 1.8 V to 5.5 V |
| General-Purpose I/O | β | 54 |
| Working Registers | β | 32 x 8-bit |
| ADC | β | 8-channel 10-bit |
| LCD Controller | β | Yes (up to 4x40 segments) |
| Communication Interfaces | β | USART, SPI, I2C (TWI) |
| MSL Level | β | 3 (per JEDEC J-STD-020, reflow 260C) |
| Packing | β | Tape & Reel |