ATMEGA3290PA-AUR vs ATMEGA329PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA3290PA-AUR by Microchip Technology and ATMEGA329PA-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
ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3290PA-AUR ✓ ActiveMicrochip Technology
ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip
ATMEGA329PA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA3290PA-AUR | ATMEGA329PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Program Memory Type | FLASH | — |
| Program Memory Size | 32KB (16K x 16) | — |
| RAM Size | 2KB | — |
| EEPROM Size | 1KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| Instruction Set | 131 powerful instructions, most single-clock cycle | — |
| LCD Driver | 4 x 40 Segment LCD Driver | — |
| Timers | Two 8-bit timer/counters with separate prescaler and compare mode; one 16-bit timer/counter | — |
| Package | TQFP-100 (14x14 mm), 0.8 mm pitch | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| 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 | — |
| Power Modes | Idle, Power-save, Power-down, Standby, Extended Standby (picoPower) | — |
| RoHS Status | Green / Compliant (per FindIC listing) | Compliant |
| Core Architecture | — | 8-bit AVR RISC (Harvard) |
| Family | — | ATmega (picoPower) |
| Program Memory (Flash) | — | 32 KB |
| EEPROM | — | 1 KB |
| SRAM | — | 2 KB |
| Maximum CPU Speed | — | 20 MHz |
| Supply Voltage | — | 2.7 V to 5.5 V (4.5 V to 5.5 V at 20 MHz) |
| General-Purpose I/O | — | 54 |
| Timers/Counters | — | Two 8-bit + One 16-bit |
| ADC | — | 8-channel, 10-bit |
| Serial Interfaces | — | USART, SPI, TWI (I2C) |
| LCD Controller | — | Up to 4x25 segments (integrated) |
| Programming Interface | — | JTAG / debugWIRE / ISP |
| MSL Level | — | 3 (168 hours) |