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