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