ATMEGA329V-8MI vs ATMEGA649V-8MI Comparison
Detailed side-by-side comparison of ATMEGA329V-8MI by Microchip Technology and ATMEGA649V-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 | ATMEGA329V-8MI | ATMEGA649V-8MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.45 | $4.02 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Program Memory (Flash) | 32 KB (16K x 16) | — |
| SRAM | 2 KB | — |
| EEPROM | 1 KB | 2KB |
| Maximum Clock Frequency | 8 MHz | 8 MHz |
| Operating Voltage | 1.8 V to 5.5 V (low-voltage 'V' variant) | — |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (industrial) |
| ADC | 8-channel, 10-bit | — |
| LCD Controller | Integrated, up to 40 segments | Segment LCD driver (up to 4x25 / 8x25 segments) |
| PWM Channels | 4 | — |
| USART | 2 | — |
| SPI | 1 (Master/Slave) | — |
| TWI (I2C-compatible) | 1 | — |
| Package | 64-pin QFN (9x9 mm) with exposed pad | 64-QFN (9x9 mm, VFQFN with exposed pad) |
| I/O Pins | 54 programmable I/O lines | — |
| In-System Programming | Yes (SPI / debugWIRE) | — |
| RoHS Status | Compliant | — |
| Flash Program Memory | — | 64KB (32K x 16) |
| Internal SRAM | — | 4KB |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Mounting Type | — | Surface Mount |
| 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 |