ATMEGA128-16MUR vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA128-16MUR by Microchip Technology and ATMEGA1281-16MUR 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
ATMEGA128-16MUR - 8-bit AVR MCU 128KB 16MHz | Microchip
ATMEGA128-16MUR ✓ ActiveMicrochip Technology
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16MUR | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Core Size | 8-bit | — |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Flash Memory | 128 KB (64K x 16) | — |
| SRAM | 4 KB | — |
| EEPROM | 4 KB | — |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.7 V to 5.5 V |
| ADC Channels | 8 channels | 16-channel |
| ADC Resolution | 10-bit | — |
| Timers/Counters | 2 x 8-bit, 2 x 16-bit | 6 (flexible, with compare modes and PWM) |
| PWM Channels | Yes (hardware PWM) | — |
| Communication Interfaces | 2 x USART, SPI, TWI (I2C) | — |
| JTAG Debug | Yes (on-chip debug and boundary scan) | — |
| I/O Pins | 53 | — |
| External Memory Support | Up to 64 KB | — |
| Sleep Modes | 6 | — |
| Package | 64-VFQFN (9x9 mm) exposed pad | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | — |
| Throughput | Up to 16 MIPS | — |
| Core | — | AVR 8-bit RISC |
| Program Memory Size | — | 128 KB (64K x 16) Flash |
| SRAM Size | — | 8 KB |
| EEPROM Size | — | 4 KB |
| Number of I/O Lines | — | 54 |
| General Purpose Working Registers | — | 32 |
| USART Channels | — | 4 |
| Serial Interfaces | — | TWI (I2C-compatible), SPI |
| Data Bus Width | — | 8 Bit |
| Temperature Range | — | Industrial (-40C to +85C) |
| Life Cycle Stage | — | Active |