ATMEGA128A-AUR vs ATMEGA1281V-8AUR Comparison
Detailed side-by-side comparison of ATMEGA128A-AUR by Microchip Technology and ATMEGA1281V-8AUR 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-AUR - 8-Bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AUR ✓ ActiveMicrochip Technology
ATMEGA1281V-8AUR - 8-bit AVR MCU 128KB 8MHz TQFP-64 | Microchip
ATMEGA1281V-8AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128A-AUR | ATMEGA1281V-8AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Flash Memory | 128KB (64K x 16) In-System Programmable | 128KB (64K x 16), In-System Programmable |
| EEPROM | 4KB | 4KB |
| SRAM | 4KB | 8KB |
| Maximum Clock Frequency | 16 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| I/O Lines | 53 | — |
| Working Registers | 32 general purpose | — |
| Instruction Set | 133 powerful instructions, most single-cycle | — |
| Timers/Counters | 4 flexible timer/counters with compare modes and PWM | Six flexible timer/counters with compare modes and PWM |
| USARTs | 2 | — |
| Serial Interfaces | TWI (I2C), SPI, 2x USART | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP, 14 x 14 mm, 1 mm height |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Industrial range ([DATA_NEEDED: exact min/max C]) | -40C to +85C |
| Real-Time Counter | Yes | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Maximum Clock Speed | — | 8 MHz |
| General Purpose I/O | — | 54 lines |
| Data Bus Width | — | 8 Bit |
| Instructions | — | 133 instructions, most single-cycle |
| Series | — | AVR ATmega |
| Lifecycle Status | — | ACTIVE |