ATMEGA1281V-8MU vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA1281V-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
ATMEGA1281V-8MU - 8MHz AVR MCU, 128KB Flash | Microchip
ATMEGA1281V-8MU ✓ ActiveMicrochip Technology
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1281V-8MU | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | — |
| Data Bus Width | 8 Bit | 8 Bit |
| Maximum Clock Speed | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | — |
| SRAM | 8 KB | — |
| EEPROM | 4 KB | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 54 lines | — |
| Timers/Counters | 6 (two 8-bit, four 16-bit) | 6 (flexible, with compare modes and PWM) |
| ADC | 8-channel, 10-bit | — |
| USART | 2 | — |
| SPI | 1 | — |
| TWI (I2C-compatible) | 1 | — |
| JTAG Debug / Boundary Scan | Yes | — |
| Instructions | 133, most single-cycle | — |
| Working Registers | 32 x 8-bit | — |
| Package | 64-QFN (MLF), 9 x 9 mm | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (green package) | — |
| Lifecycle Stage | ACTIVE | — |
| Core | — | AVR 8-bit RISC |
| Maximum Clock Frequency | — | 16 MHz |
| Program Memory Size | — | 128 KB (64K x 16) Flash |
| SRAM Size | — | 8 KB |
| EEPROM Size | — | 4 KB |
| Number of I/O Lines | — | 54 |
| General Purpose Working Registers | — | 32 |
| USART Channels | — | 4 |
| Serial Interfaces | — | TWI (I2C-compatible), SPI |
| ADC Channels | — | 16-channel |
| Temperature Range | — | Industrial (-40C to +85C) |
| Life Cycle Stage | — | Active |