ATMEGA649P-MUR vs ATMEGA645P-MUR Comparison
Detailed side-by-side comparison of ATMEGA649P-MUR by Microchip Technology and ATMEGA645P-MUR 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
ATMEGA645P-MUR - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645P-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649P-MUR | ATMEGA645P-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.10 | $5.05 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Maximum Clock Speed | 16 MHz | — |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| EEPROM Size | 2 KB | — |
| SRAM Size | 4 KB | — |
| General-Purpose I/O Lines | 54/69 | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (IND grade) |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-VFQFN Exposed Pad (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| LCD Controller | Integrated, up to 4x25 segments | — |
| 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) | — |
| Speed | — | 16 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| Supply Voltage | — | 4.5 V to 5.5 V |
| I/O Count | — | 53 (54/69 general purpose I/O per family) |
| Connectivity | — | SPI, UART/USART |
| Architecture | — | AVR RISC, single-cycle instructions |
| Programming | — | In-System Programmable (ISP) Flash, read-while-write |
| Technology | — | picoPower |
| Life Cycle Stage | — | Active |
| Packaging | — | Tape & Reel (TR) |