ATMEGA64A-MNR vs ATMEGA649A-MU Comparison
Detailed side-by-side comparison of ATMEGA64A-MNR 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
ATMEGA64A-MNR - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA64A-MNR β ActiveMicrochip Technology
ATMEGA649A-MU - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA649A-MU β ActiveSpecification Comparison
| Parameter | ATMEGA64A-MNR | 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 | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64KB (32K x 16) Flash | β |
| EEPROM Size | 2KB | β |
| SRAM Size | 4KB (4K x 8) | β |
| Maximum Clock Frequency | 16MHz | β |
| Number of I/O | 53 | β |
| Package / Case | 64-VFQFN Exposed Pad (9x9 mm) | β |
| Operating Temperature | -40C to +105C | -40C to +85C (Industrial) |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V (4.5 V to 5.5 V for 16 MHz operation) |
| Interfaces | I2C (TWI), SPI, UART, USART | β |
| ADC Resolution | 10-bit, 8-channel | β |
| Timers / Counters | 2 x 8-bit, 2 x 16-bit with PWM | β |
| Debug / Scan | JTAG boundary-scan and on-chip debug | β |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape and Reel | β |
| RoHS Status | Compliant (Green) | Compliant (Green package) |
| General Purpose Working Registers | 32 | β |
| Flash Memory | β | 64 KB (32K x 16) ISP Flash |
| EEPROM | β | 2 KB |
| SRAM | β | 4 KB |
| Maximum Clock Speed | β | 16 MHz |
| 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) |
| Package | β | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) |
| Program Memory Type | β | Flash (read-while-write) |
| Series | β | AVR ATmega |
| Core Performance | β | Up to 16 MIPS at 16 MHz (single-cycle instructions) |