ATMEGA128A-MUR vs ATMEGA1281V-8MUR Comparison
Detailed side-by-side comparison of ATMEGA128A-MUR by Microchip Technology and ATMEGA1281V-8MUR 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-MUR
ATMEGA128A-MUR - 8-bit AVR MCU 128KB 16MHz 64-QFN | Microchip
ATMEGA128A-MUR β ActiveMicrochip Technology
ATMEGA1281V-8MUR
ATMEGA1281V-8MUR - 8-bit AVR MCU 128KB Flash 8MHz | Microchip
ATMEGA1281V-8MUR β ActiveSpecification Comparison
| Parameter | ATMEGA128A-MUR | ATMEGA1281V-8MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.20 | $4.02 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Maximum Clock Speed | 16 MHz | β |
| Flash Memory | 128 KB (64K x 16) | 128 KB (64K x 16), ISP |
| EEPROM | 4 KB | 4 KB |
| SRAM | 4 KB | 8 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 53 lines | 54 lines |
| Working Registers | 32 general purpose | β |
| Instructions | 133 powerful instructions, most single-cycle | β |
| Timer/Counters | 4 flexible timer/counters with compare modes and PWM | β |
| Connectivity | EBI/EMI, I2C (Two-Wire Interface), SPI, UART/USART (2x USART) | β |
| Real-Time Counter | Yes | β |
| Package | 64-VFQFN Exposed Pad (9x9 mm) | 64-QFN (9x9 mm), VQFN with exposed pad (MLF) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Packaging | Tape & Reel (TR) | β |
| Lifecycle Status | Active | Active |
| Core Architecture | β | 8-bit AVR RISC |
| Clock Speed | β | 8 MHz |
| Instruction Set | β | 133 instructions, most single-cycle |
| Timers/Counters | β | Six flexible timers with compare modes and PWM |
| Serial USART | β | Four programmable USARTs |
| ADC | β | 8/16-channel, 10-bit |
| Serial Interfaces | β | SPI (master/slave), 2-wire serial (I2C-compatible) |
| Debug / Programming | β | JTAG on-chip debug, In-Circuit Serial Programming (ICSP) |
| Watchdog Timer | β | Programmable WDT with separate on-chip oscillator |
| Analog Comparator | β | On-chip analog comparator |
| RoHS Status | β | Compliant (green package per FindIC listing) |