ATMEGA325A-AUR vs ATMEGA325-16MI Comparison
Detailed side-by-side comparison of ATMEGA325A-AUR by Microchip Technology and ATMEGA325-16MI 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 β ActiveMicrochip Technology
ATMEGA325-16MI - AVR 8-Bit MCU 16MHz 32KB Flash | Microchip
ATMEGA325-16MI β ActiveSpecification Comparison
| Parameter | ATMEGA325A-AUR | ATMEGA325-16MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.72 | $3.05 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 32 KB (16K x 16) ISP Flash | β |
| SRAM Size | 2 KB | β |
| EEPROM Size | 1 KB | β |
| Maximum Clock Frequency | 20 MHz | β |
| Supply Voltage Range | 1.8 V to 5.5 V | β |
| Number of I/O Lines | 54 | β |
| Package | 64-TQFP (14x14 mm), 0.8 mm pitch | 64-QFN / MLF (9x9 mm) with exposed pad |
| Mounting Style | Surface Mount | β |
| Instruction Set | 131 instructions, mostly single-cycle | β |
| ADC Resolution | 10-bit | β |
| Timers | 2 x 8-bit, 1 x 16-bit | β |
| Communication Interfaces | 2 x USART, SPI, TWI (I2C) | β |
| Debug / Programming | JTAG, ICSP in-system programming | β |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Lifecycle Status | Active | β |
| Reel Packaging | Tape & Reel (R suffix) | β |
| Max Clock Frequency | β | 16 MHz |
| Program Memory (Flash) | β | 32 KB (16K x 16) |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| Operating Voltage Range | β | 2.7 V to 5.5 V |
| Number of I/O | β | 54 programmable I/O lines |
| Instructions | β | 130 powerful instructions, most single-cycle |
| Timers/Counters | β | Two 8-bit and two 16-bit |
| ADC | β | 10-bit |
| Serial Interfaces | β | USART, SPI, TWI (I2C-compatible) |
| Mounting Type | β | Surface Mount |
| ISP (In-System Programmable) | β | Yes |
| JTAG / Debug | β | JTAG boundary scan and on-chip debug |
| RoHS Status | β | Compliant (Green per FindIC data) |