ATMEGA329-16AU vs ATMEGA329PA-MUR Comparison
Detailed side-by-side comparison of ATMEGA329-16AU by Microchip Technology and ATMEGA329PA-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
ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip
ATMEGA329-16AU β ActiveMicrochip Technology
ATMEGA329PA-MUR - 8-bit AVR 20MHz 32KB Flash MCU 64-QFN | Microchip
ATMEGA329PA-MUR β ActiveSpecification Comparison
| Parameter | ATMEGA329-16AU | ATMEGA329PA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.45 | $3.85 |
| Core Architecture | 8-bit AVR RISC | β |
| Maximum Clock Frequency | 16 MHz | β |
| Flash Program Memory | 32 KB (16K x 16) | β |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | β |
| General Purpose I/O Lines | 54 | β |
| Package | 64-TQFP (14x14 mm), 0.8 mm pitch | 64-lead QFN (9x9 mm) |
| LCD Controller | On-chip segment LCD controller with internal contrast control | Yes (up to 4x40 segments) |
| JTAG Interface | Yes (boundary-scan, on-chip debug, programming) | β |
| In-System Programming | Yes (ISP Flash, read-while-write) | β |
| General Purpose Working Registers | 32 | β |
| Instructions | 130+ powerful instructions, most single-clock cycle | β |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | Active | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Core | β | AVR 8-bit RISC |
| Program Memory (Flash) | β | 32 KB |
| Maximum CPU Speed | β | 20 MHz |
| Supply Voltage (Vcc) | β | 1.8 V to 5.5 V |
| General-Purpose I/O | β | 54 |
| Working Registers | β | 32 x 8-bit |
| ADC | β | 8-channel 10-bit |
| Communication Interfaces | β | USART, SPI, I2C (TWI) |
| Program Memory Type | β | In-System Programmable Flash (read-while-write) |
| MSL Level | β | 3 (per JEDEC J-STD-020, reflow 260C) |
| Packing | β | Tape & Reel |