ATMEGA645P-MUR vs ATMEGA329PA-MUR Comparison
Detailed side-by-side comparison of ATMEGA645P-MUR 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
ATMEGA645P-MUR - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645P-MUR β ActiveMicrochip Technology
ATMEGA329PA-MUR - 8-bit AVR 20MHz 32KB Flash MCU 64-QFN | Microchip
ATMEGA329PA-MUR β ActiveSpecification Comparison
| Parameter | ATMEGA645P-MUR | ATMEGA329PA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.05 | $3.85 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 16 MHz | β |
| Flash Memory | 64 KB (32K x 16) | β |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| Supply Voltage | 4.5 V to 5.5 V | β |
| I/O Count | 53 (54/69 general purpose I/O per family) | β |
| Connectivity | SPI, UART/USART | β |
| Package | 64-VFQFN Exposed Pad (9x9 mm) | 64-lead QFN (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (IND grade) | -40C to +85C (industrial) |
| Architecture | AVR RISC, single-cycle instructions | β |
| Programming | In-System Programmable (ISP) Flash, read-while-write | β |
| Technology | picoPower | β |
| Life Cycle Stage | Active | β |
| Packaging | Tape & Reel (TR) | β |
| 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 |
| LCD Controller | β | Yes (up to 4x40 segments) |
| Communication Interfaces | β | USART, SPI, I2C (TWI) |
| Program Memory Type | β | In-System Programmable Flash (read-while-write) |
| RoHS Status | β | Compliant |
| MSL Level | β | 3 (per JEDEC J-STD-020, reflow 260C) |
| Packing | β | Tape & Reel |