ATMEGA1281-16MUR vs ATMEGA128-16AC Comparison
Detailed side-by-side comparison of ATMEGA1281-16MUR by Microchip Technology and ATMEGA128-16AC 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
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveMicrochip Technology
ATMEGA128-16AC - 8-bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16AC ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1281-16MUR | ATMEGA128-16AC |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | AVR 8-bit RISC | — |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Program Memory Size | 128 KB (64K x 16) Flash | 128 KB (64K x 16) Flash |
| SRAM Size | 8 KB | — |
| EEPROM Size | 4 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| 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 | — |
| Package | 64-QFN (9x9 mm), VFQFN exposed pad | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (-40C to +85C) | — |
| Life Cycle Stage | Active | — |
| Core Architecture | — | AVR 8-bit enhanced RISC |
| Core Size | — | 8-bit |
| Program Memory Type | — | In-System Programmable Flash |
| RAM Size | — | 4 KB SRAM |
| Number of I/O | — | 53 I/O lines |
| Operating Temperature | — | 0C to +70C (commercial grade) |
| Timers | — | 2 x 8-bit, 2 x 16-bit with PWM |
| Communication Interfaces | — | 2 x USART, SPI, TWI (I2C-compatible) |
| ADC Resolution | — | 10-bit, 8 channels |
| Debug Interface | — | JTAG (boundary scan and on-chip debug) |
| Data Converter | — | A/D 8x10-bit |