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