ATMEGA649P-MUR vs ATMEGA645-16MUR Comparison
Detailed side-by-side comparison of ATMEGA649P-MUR by Microchip Technology and ATMEGA645-16MUR 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
ATMEGA649P-MUR - 16MHz 8-bit AVR MCU, 64KB Flash, 64-QFN | Microchip
ATMEGA649P-MUR ✓ ActiveMicrochip Technology
ATMEGA645-16MUR - 8-bit AVR MCU 64KB 16MHz 64-QFN | Microchip
ATMEGA645-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649P-MUR | ATMEGA645-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-Bit |
| Maximum Clock Speed | 16 MHz | — |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| EEPROM Size | 2 KB | 2 KB |
| SRAM Size | 4 KB | 4 KB |
| General-Purpose I/O Lines | 54/69 | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-QFN (9 x 9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| LCD Controller | Integrated, up to 4x25 segments | Yes (segment LCD driver) |
| ADC | 10-bit, up to 8 channels | — |
| Timers/Counters | Two 8-bit, One 16-bit | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Debug Interface | JTAG / debugWIRE | — |
| Watchdog Timer | Yes, with separate on-chip oscillator | — |
| RoHS Status | Compliant | — |
| Lead-Free / Green | Yes (Green) | — |
| Packing Media | Tape and Reel (4000 per reel) | — |
| Core Architecture | — | 8-bit AVR RISC |
| Maximum Clock Frequency | — | 16 MHz |
| Program Memory Size | — | 64 KB (32K x 16) Flash |
| Number of I/O | — | 53 |
| ADC Resolution | — | 10 bit |
| ADC Channels | — | 8 |
| Interfaces | — | JTAG, SPI, USART, I2C (TWI) |
| Throughput | — | 16 MIPS at 16 MHz |
| Packaging | — | Tape & Reel, Green/RoHS |
| Instructions | — | 130 (most single-cycle) |