ATMEGA325A-AUR vs ATMEGA325PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA325A-AUR 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
ATMEGA325A-AUR - 32KB Flash 20MHz 8-Bit AVR MCU | Microchip
ATMEGA325A-AUR ✓ ActiveMicrochip Technology
ATMEGA325PA-AUR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA325PA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325A-AUR | ATMEGA325PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 32 KB (16K x 16) ISP Flash | — |
| SRAM Size | 2 KB | — |
| EEPROM Size | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| 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 | 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) | — |
| Lifecycle Status | Active | — |
| Reel Packaging | Tape & Reel (R suffix) | — |
| Flash Program Memory | — | 32 KB (16K x 16) |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| Maximum Throughput | — | 20 MIPS at 20 MHz |
| ADC Channels | — | 8-channel |
| Debug / Boundary Scan | — | JTAG interface for on-chip debug |
| Low Power Technology | — | picoPower |
| I/O Ports | — | 32 I/O |
| Mounting Type | — | Surface Mount |
| Packaging | — | Tape & Reel (R suffix) |
| Temperature Grade | — | Industrial (IND) |
| Life Cycle Stage | — | Active |
| RoHS Status | — | Green / RoHS compliant |