ATMEGA649P-MUR vs ATMEGA649A-AUR Comparison
Detailed side-by-side comparison of ATMEGA649P-MUR by Microchip Technology and ATMEGA649A-AUR 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 β ActiveMicrochip Technology
ATMEGA649A-AUR - 8-Bit AVR MCU, 64KB Flash, TQFP-64 | Microchip
ATMEGA649A-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA649P-MUR | ATMEGA649A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.10 | $5.72 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Maximum Clock Speed | 16 MHz | 16 MHz |
| Program Memory (Flash) | 64 KB (32K x 16) | β |
| EEPROM Size | 2 KB | β |
| SRAM Size | 4 KB | β |
| General-Purpose I/O Lines | 54/69 | β |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) | β |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| LCD Controller | Integrated, up to 4x25 segments | Yes, on-chip with internal contrast control |
| ADC | 10-bit, up to 8 channels | β |
| Timers/Counters | Two 8-bit, One 16-bit | β |
| Communication Interfaces | USART, SPI, TWI (I2C) | β |
| Debug Interface | JTAG / debugWIRE | β |
| Watchdog Timer | Yes, with separate on-chip oscillator | β |
| RoHS Status | Compliant | β |
| Lead-Free / Green | Yes (Green) | β |
| Packing Media | Tape and Reel (4000 per reel) | β |
| Core Architecture | β | 8-bit AVR RISC |
| Flash Program Memory | β | 64 KB (32K x 16) |
| EEPROM | β | 2 KB |
| SRAM | β | 4 KB |
| I/O Ports | β | 53 general-purpose I/O lines |
| JTAG Interface | β | Yes (boundary-scan, on-chip debug, programming) |
| Instructions | β | 130 instructions, most single-cycle |
| Flash Programming | β | In-System Programmable (ISP), read-while-write |
| Operating Temperature Grade | β | Industrial |
| Data Bus Width | β | 8 bit |
| Lifecycle Status | β | Active |