ATMEGA329-16AU vs ATMEGA325PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA329-16AU by Microchip Technology and ATMEGA325PA-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
ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip
ATMEGA329-16AU ✓ ActiveMicrochip Technology
ATMEGA325PA-AUR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA325PA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329-16AU | ATMEGA325PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Maximum Clock Frequency | 16 MHz | 20 MHz |
| Flash Program Memory | 32 KB (16K x 16) | 32 KB (16K x 16) |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O Lines | 54 | — |
| Package | 64-TQFP (14x14 mm), 0.8 mm pitch | 64-TQFP (14x14 mm) |
| LCD Controller | On-chip segment LCD controller with internal contrast control | — |
| JTAG Interface | Yes (boundary-scan, on-chip debug, programming) | — |
| In-System Programming | Yes (ISP Flash, read-while-write) | — |
| General Purpose Working Registers | 32 | — |
| Instructions | 130+ powerful instructions, most single-clock cycle | — |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | Active | Active |
| RoHS Status | [DATA_NEEDED: RoHS status] | Green / RoHS compliant |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Maximum Throughput | — | 20 MIPS at 20 MHz |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8-channel |
| Debug / Boundary Scan | — | JTAG interface for on-chip debug |
| Low Power Technology | — | picoPower |
| I/O Ports | — | 32 I/O |
| Packaging | — | Tape & Reel (R suffix) |
| Temperature Grade | — | Industrial (IND) |