ATMEGA1281V-8MUR vs ATMEGA1281-16MU Comparison
Detailed side-by-side comparison of ATMEGA1281V-8MUR by Microchip Technology and ATMEGA1281-16MU 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-8MUR - 8-bit AVR MCU 128KB Flash 8MHz | Microchip
ATMEGA1281V-8MUR ✓ ActiveMicrochip Technology
ATMEGA1281-16MU - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip (Tape & Reel)
ATMEGA1281-16MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1281V-8MUR | ATMEGA1281-16MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Clock Speed | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16), ISP | — |
| SRAM | 8 KB | — |
| EEPROM | 4 KB | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| Instruction Set | 133 instructions, most single-cycle | — |
| General Purpose I/O | 54 lines | — |
| Timers/Counters | Six flexible timers with compare modes and PWM | 6 (flexible, with compare modes and PWM) |
| Serial USART | Four programmable USARTs | — |
| ADC | 8/16-channel, 10-bit | — |
| Serial Interfaces | SPI (master/slave), 2-wire serial (I2C-compatible) | TWI (I2C-compatible), SPI |
| Debug / Programming | JTAG on-chip debug, In-Circuit Serial Programming (ICSP) | — |
| Watchdog Timer | Programmable WDT with separate on-chip oscillator | — |
| Analog Comparator | On-chip analog comparator | — |
| Operating Temperature | -40C to +85C (industrial) | — |
| Package | 64-QFN (9x9 mm), VQFN with exposed pad (MLF) | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (green package per FindIC listing) | — |
| Lifecycle Status | 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 |
| ADC Channels | — | 16-channel |
| Data Bus Width | — | 8 Bit |
| Temperature Range | — | Industrial (-40C to +85C) |
| Life Cycle Stage | — | Active |