ATMEGA2561V-8MU vs ATMEGA1281V-8MU Comparison
Detailed side-by-side comparison of ATMEGA2561V-8MU by Microchip Technology and ATMEGA1281V-8MU 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
ATMEGA2561V-8MU
ATMEGA2561V-8MU - 8-bit AVR MCU 256KB Flash 8MHz | Microchip
ATMEGA2561V-8MU β ActiveMicrochip Technology
ATMEGA1281V-8MU
ATMEGA1281V-8MU - 8MHz AVR MCU, 128KB Flash | Microchip
ATMEGA1281V-8MU β ActiveSpecification Comparison
| Parameter | ATMEGA2561V-8MU | ATMEGA1281V-8MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.60 | $5.92 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Core Size | 8-bit | β |
| Maximum Clock Frequency | 8 MHz | β |
| Program Memory Size | 256KB (128K x 16) Flash | β |
| Program Memory Type | ISP In-System Programmable Flash | β |
| SRAM Size | 8 KB | β |
| EEPROM Size | 4 KB | β |
| Number of I/O Lines | 86 general purpose I/O | β |
| Supply Voltage Range | 1.8 V to 5.5 V (V-grade) | 1.8 V to 5.5 V |
| Data Bus Width | 8 bit | 8 Bit |
| Timers | Six flexible timer/counters | β |
| Serial Interfaces | Four programmable serial USART, SPI, 2-wire (I2C-compatible) | β |
| ADC | 8/16-channel, 10-bit ADC | 8-channel, 10-bit |
| Package | 64-QFN (9x9 mm) MLF with exposed pad | 64-QFN (MLF), 9 x 9 mm |
| Mounting Style | Surface Mount | β |
| Performance | Up to 16 MIPS throughput at 16 MHz (fully static) | β |
| Instructions | 131 powerful instructions, most single-cycle | 133, most single-cycle |
| RoHS Status | Compliant | Compliant (green package) |
| Maximum Clock Speed | β | 8 MHz |
| Flash Memory | β | 128 KB (64K x 16) In-System Programmable |
| SRAM | β | 8 KB |
| EEPROM | β | 4 KB |
| General Purpose I/O | β | 54 lines |
| Timers/Counters | β | 6 (two 8-bit, four 16-bit) |
| USART | β | 2 |
| SPI | β | 1 |
| TWI (I2C-compatible) | β | 1 |
| JTAG Debug / Boundary Scan | β | Yes |
| Working Registers | β | 32 x 8-bit |
| Mounting Type | β | Surface Mount |
| Lifecycle Stage | β | ACTIVE |