ATMEGA649V-8MI vs ATMEGA649A-MU Comparison
Detailed side-by-side comparison of ATMEGA649V-8MI by Microchip Technology and ATMEGA649A-MU 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-8MI - AVR 8-Bit MCU, 64KB, 8MHz | Microchip
ATMEGA649V-8MI β ActiveMicrochip Technology
ATMEGA649A-MU - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA649A-MU β ActiveSpecification Comparison
| Parameter | ATMEGA649V-8MI | ATMEGA649A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.02 | $4.42 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Flash Program Memory | 64KB (32K x 16) | β |
| EEPROM | 2KB | 2 KB |
| Internal SRAM | 4KB | β |
| Maximum Clock Frequency | 8 MHz | β |
| Operating Voltage Range | 1.8 V to 5.5 V | β |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| Package | 64-QFN (9x9 mm, VFQFN with exposed pad) | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) |
| Mounting Type | Surface Mount | Surface Mount |
| LCD Controller | Segment LCD driver (up to 4x25 / 8x25 segments) | β |
| ADC Resolution | 10-bit | β |
| ADC Channels | 8 channels | β |
| Communication Interfaces | USART, SPI, TWI (I2C) | β |
| Timers | 2 x 8-bit, 1 x 16-bit with PWM | β |
| JTAG | IEEE 1149.1 boundary scan + on-chip debug | β |
| In-System Programming (ISP) | Yes, self-programming Flash | β |
| Instructions | 130 instructions, most single-cycle | β |
| Series | AVR ATmega ATMEGA649 | AVR ATmega |
| Flash Memory | β | 64 KB (32K x 16) ISP Flash |
| SRAM | β | 4 KB |
| Maximum Clock Speed | β | 16 MHz |
| Supply Voltage Range | β | 1.8 V to 5.5 V (4.5 V to 5.5 V for 16 MHz operation) |
| General Purpose I/O | β | 54/69 I/O lines |
| Working Registers | β | 32 general purpose registers |
| Debug Interface | β | JTAG (boundary scan and on-chip debug) |
| Program Memory Type | β | Flash (read-while-write) |
| RoHS Status | β | Compliant (Green package) |
| Core Performance | β | Up to 16 MIPS at 16 MHz (single-cycle instructions) |