ATMEGA649-16MU vs ATMEGA645-16MU Comparison
Detailed side-by-side comparison of ATMEGA649-16MU by Microchip Technology and ATMEGA645-16MU 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
ATMEGA645-16MU - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645-16MU β ActiveSpecification Comparison
| Parameter | ATMEGA649-16MU | ATMEGA645-16MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.80 | $4.65 |
| Core Processor | AVR | β |
| Core Size | 8-bit | β |
| Speed | 16 MHz | β |
| Flash Memory | 64 KB (32K x 16) | β |
| EEPROM | 2 KB | β |
| 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] | [DATA_NEEDED: operating temperature range] |
| Package | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) | 64-QFN (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | [DATA_NEEDED: RoHS status] | GREEN package (per FindIC listing) |
| Core Architecture | β | 8-bit AVR RISC |
| Program Memory Size | β | 64 KB (32K x 16) Flash, ISP |
| SRAM Size | β | 4 KB |
| EEPROM Size | β | 2 KB |
| Maximum Clock Frequency | β | 16 MHz |
| Throughput | β | 16 MIPS at 16 MHz |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Number of I/O Lines | β | 68 |
| ADC Resolution | β | 10-bit |
| ADC Channels | β | 8 channels |
| Debug Interface | β | JTAG (on-chip debugging and boundary scan) |
| Speed Grade Class | β | 16 (industrial, GREEN) |
| Core Supply | β | Single supply |