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