ATMEGA329PA-AUR vs ATMEGA329A-AUR Comparison
Detailed side-by-side comparison of ATMEGA329PA-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
ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip
ATMEGA329PA-AUR ✓ ActiveMicrochip Technology
ATMEGA329A-AUR - AVR 8-bit MCU 32KB Flash 20MHz | Microchip
ATMEGA329A-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329PA-AUR | ATMEGA329A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.94 | $2.68 |
| Core Architecture | 8-bit AVR RISC (Harvard) | AVR 8-bit RISC |
| Family | ATmega (picoPower) | — |
| Program Memory (Flash) | 32 KB | — |
| EEPROM | 1 KB | 1KB |
| SRAM | 2 KB | 2KB |
| 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 | 10-bit |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| LCD Controller | Up to 4x25 segments (integrated) | Integrated, up to 132 segments |
| Operating Temperature | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| Package | 64-pin TQFP (14x14 mm, 0.8 mm pitch) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming Interface | JTAG / debugWIRE / ISP | ICSP (In-Circuit Serial Programming) |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| MSL Level | 3 (168 hours) | — |
| Flash Memory | — | 32KB (16K x 16) |
| Maximum Clock Speed | — | 20MHz |
| Supply Voltage Range | — | 1.8V to 5.5V |
| I/O Ports | — | 32 I/O lines |
| Package Pitch | — | 0.8 mm |
| Package Height | — | 1 mm |
| Life Cycle Stage | — | Active |
| Qualification | — | Industrial grade (Ind Grn) |