ATMEGA1281-16AUR vs ATMEGA1280-16AUR Comparison
Detailed side-by-side comparison of ATMEGA1281-16AUR by Microchip Technology and ATMEGA1280-16AUR 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
ATMEGA1281-16AUR - 8-Bit AVR MCU 128KB Flash 16MHz | Microchip (Tape & Reel)
ATMEGA1281-16AUR ✓ Active
Specification Comparison
| Parameter | ATMEGA1281-16AUR | ATMEGA1280-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | — |
| Maximum Clock Frequency | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) ISP FLASH | 128 KB (64K x 16) |
| SRAM | 8 KB (8K x 8) | 8 KB |
| EEPROM | 4 KB (4K x 8) | 4 KB |
| Supply Voltage | 2.7 V to 5.5 V | — |
| I/O Pins | 54 | — |
| ADC | 8-channel 10-bit | — |
| USARTs | 2 | — |
| Package | 64-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface mount |
| Operating Temperature | -40C to +85C | -40°C to +85°C |
| Data Bus Width | 8 Bit | — |
| Oscillator Type | Internal | — |
| Life Cycle Stage | ACTIVE | — |
| RoHS Status | Green / RoHS compliant (per Jotrin: GREEN packaging) | — |
| Microcontroller Type | — | 8-bit AVR RISC microcontroller |
| Maximum Clock Speed | — | 16 MHz |
| General-Purpose I/O Lines | — | 86 lines |
| I/O Ports | — | 53 |
| General-Purpose Working Registers | — | 32 |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 16 |
| Timer/Counter Count | — | 6 |
| USART Count | — | 2 |
| Serial Interface | — | SPI and byte-oriented 2-wire serial interface |
| Analog Comparator | — | 1 on-chip comparator |
| Watchdog Timer | — | Programmable with separate on-chip oscillator |
| Lifecycle Stage | — | Active |