ATMEGA649V-8MI vs ATMEGA329V-8MI Comparison
Detailed side-by-side comparison of ATMEGA649V-8MI 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 | ATMEGA649V-8MI | ATMEGA329V-8MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Flash Program Memory | 64KB (32K x 16) | — |
| EEPROM | 2KB | 1 KB |
| Internal SRAM | 4KB | — |
| Maximum Clock Frequency | 8 MHz | 8 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| Operating Temperature | -40C to +85C (industrial) | -40 C to +85 C (industrial) |
| Package | 64-QFN (9x9 mm, VFQFN with exposed pad) | 64-pin QFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | — |
| LCD Controller | Segment LCD driver (up to 4x25 / 8x25 segments) | Integrated, up to 40 segments |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 channels | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Timers | 2 x 8-bit, 1 x 16-bit with PWM | — |
| JTAG | IEEE 1149.1 boundary scan + on-chip debug | — |
| In-System Programming (ISP) | Yes, self-programming Flash | — |
| Instructions | 130 instructions, most single-cycle | — |
| Series | AVR ATmega ATMEGA649 | — |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| SRAM | — | 2 KB |
| Operating Voltage | — | 1.8 V to 5.5 V (low-voltage 'V' variant) |
| ADC | — | 8-channel, 10-bit |
| 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) |
| RoHS Status | — | Compliant |