ATMEGA329V-8AI vs ATMEGA649V-8AI Comparison
Detailed side-by-side comparison of ATMEGA329V-8AI by Microchip Technology and ATMEGA649V-8AI 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-8AI - 8-bit AVR MCU 32KB Flash LCD | Microchip
ATMEGA329V-8AI ✓ ActiveMicrochip Technology
ATMEGA649V-8AI - 8MHz AVR MCU 64KB Flash LCD | Microchip
ATMEGA649V-8AI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329V-8AI | ATMEGA649V-8AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.45 | $5.40 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| CPU Speed | 8 MHz | — |
| Program Memory (Flash) | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | 2 KB |
| Supply Voltage (Vcc) | 1.8 V to 5.5 V | — |
| General Purpose I/O | 54 lines | 54 I/O lines |
| General Purpose Registers | 32 | — |
| LCD Controller | On-chip, supports up to 4x25 segments | Integrated segment LCD driver |
| ADC | 10-bit, up to 8 channels | 10-bit |
| Timers/Counters | Three flexible Timer/Counters with PWM | Two 8-bit, two 16-bit |
| Serial Interfaces | USART, SPI, TWI (I2C-compatible) | — |
| Debug Interface | JTAG (IEEE 1149.1 compliant) | — |
| Package | 64-pin TQFP, 14x14 mm body, 0.5 mm pitch | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Max CPU Clock | — | 8 MHz |
| Flash Program Memory | — | 64 KB (32K x 16) |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Temperature Grade | — | Industrial (-40C to +85C) |
| Programming Interface | — | ISP / ICSP via SPI, JTAG for debug |
| Instructions | — | 130 instructions, most single-cycle |
| Working Registers | — | 32 general purpose |