ATMEGA329-16MU vs ATMEGA325-16MI Comparison
Detailed side-by-side comparison of ATMEGA329-16MU 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
ATMEGA329-16MU - 8-Bit AVR MCU 16MHz 32KB LCD | Microchip
ATMEGA329-16MU ✓ ActiveMicrochip Technology
ATMEGA325-16MI - AVR 8-Bit MCU 16MHz 32KB Flash | Microchip
ATMEGA325-16MI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329-16MU | ATMEGA325-16MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $3.05 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Clock Speed | 16 MHz | — |
| Flash Memory | 32 KB (16K x 16), ISP, self-programming | — |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Instructions | 131 (most single-cycle) | 130 powerful instructions, most single-cycle |
| Throughput | Up to 16 MIPS at 16 MHz | — |
| Supply Voltage | 4.5 V to 5.5 V | — |
| General Purpose I/O | 54 lines | — |
| LCD Controller | Up to 25 segments x 4 commons | — |
| ADC | 10-bit | 10-bit |
| Debug Interface | JTAG (on-chip debug, boundary scan) | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Package | 64-QFN (MLF), 9 x 9 mm | 64-QFN / MLF (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Stage | ACTIVE | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant (Green per FindIC data) |
| Max Clock Frequency | — | 16 MHz |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| Number of I/O | — | 54 programmable I/O lines |
| Timers/Counters | — | Two 8-bit and two 16-bit |
| Serial Interfaces | — | USART, SPI, TWI (I2C-compatible) |
| Operating Temperature | — | -40C to +85C (industrial) |
| ISP (In-System Programmable) | — | Yes |
| JTAG / Debug | — | JTAG boundary scan and on-chip debug |