ATMEGA128A-MU vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA128A-MU 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
ATMEGA128A-MU - 8-bit AVR MCU 128KB 16MHz 64-QFN | Microchip (Tape & Reel)
ATMEGA128A-MU ✓ ActiveMicrochip Technology
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128A-MU | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.20 | $8.78 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Maximum Clock Speed | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) | — |
| EEPROM | 4 KB | — |
| SRAM | 4 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 general purpose | — |
| Instructions | 133 powerful instructions, most single-cycle | — |
| Timer/Counters | 4 flexible timer/counters with compare modes and PWM | — |
| Connectivity | EBI/EMI, I2C (Two-Wire Interface), SPI, UART/USART (2x USART) | — |
| Real-Time Counter | Yes | — |
| Package | 64-VFQFN Exposed Pad (9x9 mm) | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Packaging | Tape & Reel (TR) | — |
| 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 |
| Timers/Counters | — | 6 (flexible, with compare modes and PWM) |
| 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 |