ATMEGA325-16MI vs ATMEGA325A-MUR Comparison
Detailed side-by-side comparison of ATMEGA325-16MI by Microchip Technology and ATMEGA325A-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
ATMEGA325-16MI - AVR 8-Bit MCU 16MHz 32KB Flash | Microchip
ATMEGA325-16MI ✓ ActiveMicrochip Technology
ATMEGA325A-MUR - 8-bit AVR MCU 32KB 20MHz 64-QFN | Microchip
ATMEGA325A-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325-16MI | ATMEGA325A-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Max Clock Frequency | 16 MHz | — |
| Program Memory (Flash) | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Number of I/O | 54 programmable I/O lines | 54 |
| Instructions | 130 powerful instructions, most single-cycle | — |
| Timers/Counters | Two 8-bit and two 16-bit | — |
| ADC | 10-bit | — |
| Serial Interfaces | USART, SPI, TWI (I2C-compatible) | — |
| Package | 64-QFN / MLF (9x9 mm) with exposed pad | 64-QFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C |
| ISP (In-System Programmable) | Yes | — |
| JTAG / Debug | JTAG boundary scan and on-chip debug | — |
| RoHS Status | Compliant (Green per FindIC data) | — |
| 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 |
| Supply Voltage (per DigChip summary) | — | 4.5 V to 5.5 V at maximum speed grade |
| Connectivity | — | SPI, UART/USART |
| ADC Resolution | — | 10-bit |
| Packaging | — | Tape & Reel (TR) |
| Lifecycle Status | — | Active |
| Architecture | — | Advanced RISC, 131 instructions |