ATMEGA325A-MUR vs ATMEGA325PA-MUR Comparison
Detailed side-by-side comparison of ATMEGA325A-MUR by Microchip Technology and ATMEGA325PA-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
ATMEGA325A-MUR - 8-bit AVR MCU 32KB 20MHz 64-QFN | Microchip
ATMEGA325A-MUR ✓ ActiveMicrochip Technology
ATMEGA325PA-MUR - 8-bit AVR MCU 32KB 20MHz 64-QFN | Microchip
ATMEGA325PA-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325A-MUR | ATMEGA325PA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Program Memory Type | FLASH | — |
| Program Memory Size | 32 KB (16K x 16) | — |
| EEPROM Size | 1 KB | — |
| RAM Size | 2 KB | — |
| Supply Voltage Range | 2.5 V, 3.3 V, 5 V operation | 1.8 V to 5.5 V |
| Supply Voltage (per DigChip summary) | 4.5 V to 5.5 V at maximum speed grade | — |
| Number of I/O | 54 | — |
| Connectivity | SPI, UART/USART | — |
| ADC Resolution | 10-bit | — |
| Operating Temperature | -40C to +85C | — |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-QFN (MLF) 9x9 mm, exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Lifecycle Status | Active | — |
| Architecture | Advanced RISC, 131 instructions | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 32 KB (16K x 16) |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| Maximum Clock Frequency | — | 20 MHz |
| Peak Throughput | — | 20 MIPS at 20 MHz |
| ADC | — | 8-channel 10-bit |
| Debug Interface | — | JTAG (on-chip debug, boundary scan) |
| Low-Power Technology | — | picoPower |
| Temperature Range | — | Industrial |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Packaging / Reeling | — | Tape & Reel (R suffix), GREEN |
| RoHS Status | — | Compliant (GREEN package) |