ATMEGA2561V-8MU vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA2561V-8MU by Microchip Technology and ATMEGA1281-16MUR 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 - 8-bit AVR MCU, 256KB Flash, 8MHz | Microchip
ATMEGA2561V-8MU ✓ ActiveMicrochip Technology
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA2561V-8MU | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.75 | $8.78 |
| Core Architecture | 8-bit AVR RISC | — |
| Maximum Clock Frequency | 8 MHz | 16 MHz |
| Throughput | Up to 16 MIPS at 16 MHz (8 MHz grade for V variant) | — |
| Program Memory (Flash) | 256 KB (128K x 16) | — |
| SRAM | 8 KB | — |
| EEPROM | 4 KB | — |
| Operating Voltage Range (V variant) | 1.8 V to 5.5 V | — |
| General-Purpose I/O Lines | 86 | — |
| General-Purpose Working Registers | 32 x 8 | — |
| USART | 4 programmable serial USARTs | — |
| SPI | Master/Slave SPI serial interface | — |
| TWI (I2C-compatible) | Byte-oriented 2-wire serial interface | — |
| Timers/Counters | 6 flexible timer/counters with compare and PWM modes | 6 (flexible, with compare modes and PWM) |
| ADC | 8-channel, 10-bit ADC | — |
| Analog Comparator | On-chip | — |
| Watchdog Timer | Programmable, with separate on-chip oscillator | — |
| Package | 64-QFN (MU), 9 x 9 mm with exposed pad | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| RoHS Status | Compliant | — |
| Core | — | AVR 8-bit RISC |
| Program Memory Size | — | 128 KB (64K x 16) Flash |
| SRAM Size | — | 8 KB |
| EEPROM Size | — | 4 KB |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Number of I/O Lines | — | 54 |
| General Purpose Working Registers | — | 32 |
| USART Channels | — | 4 |
| Serial Interfaces | — | TWI (I2C-compatible), SPI |
| ADC Channels | — | 16-channel |
| Data Bus Width | — | 8 Bit |
| Temperature Range | — | Industrial (-40C to +85C) |
| Life Cycle Stage | — | Active |