ATMEGA325A-AU vs ATMEGA325-16MI Comparison
Detailed side-by-side comparison of ATMEGA325A-AU 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-AU - AVR 8-bit MCU 32KB Flash 20MHz 64TQFP | Microchip
ATMEGA325A-AU β ActiveMicrochip Technology
ATMEGA325-16MI - AVR 8-Bit MCU 16MHz 32KB Flash | Microchip
ATMEGA325-16MI β ActiveSpecification Comparison
| Parameter | ATMEGA325A-AU | ATMEGA325-16MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.12 | $3.05 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 32 KB (16K x 16) ISP Flash with read-while-write | β |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | β |
| Instructions | 131 powerful instructions, most single-cycle | 130 powerful instructions, most single-cycle |
| General Purpose I/O | 54 lines | β |
| Working Registers | 32 general purpose registers | β |
| Debug / Test Interface | JTAG (on-chip debug and boundary scan) | β |
| Supply Voltage | 4.5 V to 5.5 V | β |
| Package | 64-TQFP, 14 x 14 mm, 0.8 mm pitch | 64-QFN / MLF (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | β |
| RoHS Status | Green (lead-free, per FindIC listing) | Compliant (Green per FindIC data) |
| Lifecycle Stage | ACTIVE | β |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | β |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | β |
| Max Clock Frequency | β | 16 MHz |
| Program Memory (Flash) | β | 32 KB (16K x 16) |
| Operating Voltage Range | β | 2.7 V to 5.5 V |
| Number of I/O | β | 54 programmable I/O lines |
| Timers/Counters | β | Two 8-bit and two 16-bit |
| ADC | β | 10-bit |
| Serial Interfaces | β | USART, SPI, TWI (I2C-compatible) |
| Operating Temperature | β | -40C to +85C (industrial) |
| ISP (In-System Programmable) | β | Yes |
| JTAG / Debug | β | JTAG boundary scan and on-chip debug |