ATMEGA645V-8MUR vs ATMEGA329V-8MI Comparison
Detailed side-by-side comparison of ATMEGA645V-8MUR by Microchip Technology and ATMEGA329V-8MI 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
ATMEGA329V-8MI - 8-bit AVR MCU, 32KB Flash, 8MHz, 64-QFN | Microchip
ATMEGA329V-8MI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645V-8MUR | ATMEGA329V-8MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.98 | $5.45 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Series | AVR ATmega | — |
| Maximum Clock Frequency | 8 MHz | 8 MHz |
| Program Memory Size | 64KB (32K x 16) FLASH | — |
| Program Memory Type | In-System Programmable FLASH | — |
| EEPROM Size | 2KB | — |
| RAM Size | 4KB SRAM | — |
| Operating Voltage Range | 1.8 V to 5.5 V (V grade) | — |
| Supply Voltage - Min | 1.8 V | — |
| Supply Voltage - Max | 5.5 V | — |
| Number of I/O | [DATA_NEEDED: number of general purpose I/O lines] | — |
| ADC Resolution | 10-bit | — |
| Peripherals | Timer/Counters, PWM, Brown-out Detect/Reset, WDT | — |
| Communication Interfaces | USART, SPI, I2C (Two-Wire Interface), JTAG | — |
| Package | 64-QFN (9x9 mm) Exposed Pad (64-VFQFN) | 64-pin QFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (industrial) |
| Packing | Tape & Reel (R suffix) | — |
| RoHS Status | Green / RoHS compliant per FindIC listing | Compliant |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| Operating Voltage | — | 1.8 V to 5.5 V (low-voltage 'V' variant) |
| ADC | — | 8-channel, 10-bit |
| LCD Controller | — | Integrated, up to 40 segments |
| PWM Channels | — | 4 |
| USART | — | 2 |
| SPI | — | 1 (Master/Slave) |
| TWI (I2C-compatible) | — | 1 |
| I/O Pins | — | 54 programmable I/O lines |
| In-System Programming | — | Yes (SPI / debugWIRE) |