ATMEGA649-16MU vs ATMEGA649A-MU Comparison
Detailed side-by-side comparison of ATMEGA649-16MU 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
ATMEGA649-16MU - 8-bit AVR MCU 64KB Flash 16MHz 64-QFN | Microchip
ATMEGA649-16MU β ActiveMicrochip Technology
ATMEGA649A-MU - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA649A-MU β ActiveSpecification Comparison
| Parameter | ATMEGA649-16MU | ATMEGA649A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.80 | $4.42 |
| Core Processor | AVR | β |
| Core Size | 8-bit | β |
| Speed | 16 MHz | β |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) ISP Flash |
| EEPROM | 2 KB | 2 KB |
| RAM | 4 KB | β |
| GPIO | 54 / 69 | β |
| Connectivity | SPI, UART/USART | β |
| LCD Controller | On-chip LCD controller with internal contrast control | β |
| JTAG | Yes (boundary-scan and on-chip debug/programming) | β |
| Operating Voltage | [DATA_NEEDED: operating voltage range] | β |
| Oscillator Type | Internal | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| Package | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (Green package) |
| Core Architecture | β | 8-bit AVR RISC |
| 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) |
| Series | β | AVR ATmega |
| Core Performance | β | Up to 16 MIPS at 16 MHz (single-cycle instructions) |