ATMEGA128-16AU vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA128-16AU 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
ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU β ActiveMicrochip Technology
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR β ActiveSpecification Comparison
| Parameter | ATMEGA128-16AU | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.30 | $8.78 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | β |
| SRAM | 4 KB | β |
| EEPROM | 4 KB | β |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Throughput | 16 MIPS at 16 MHz (approx. 1 MIPS per MHz) | β |
| Supply Voltage Range | 4.5 V to 5.5 V (16 MHz speed grade) | 2.7 V to 5.5 V |
| ADC | 8-channel 10-bit | β |
| Debug Interface | JTAG for on-chip debugging | β |
| Package | 64-TQFP (14x14 mm) | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial (IND TEMP) | β |
| External Memory Interface | Supported (up to 64 KB external data memory) | β |
| Serial Interfaces | 2x USART, SPI, Two-Wire Interface (I2C-compatible) | TWI (I2C-compatible), SPI |
| RoHS Status | Compliant (RoHS Y) | β |
| MSL Level | [DATA_NEEDED: MSL rating] | β |
| Operating Temperature Range | [DATA_NEEDED: exact min/max operating temperature] | β |
| Core | β | AVR 8-bit RISC |
| Program Memory Size | β | 128 KB (64K x 16) Flash |
| SRAM Size | β | 8 KB |
| EEPROM Size | β | 4 KB |
| Number of I/O Lines | β | 54 |
| General Purpose Working Registers | β | 32 |
| Timers/Counters | β | 6 (flexible, with compare modes and PWM) |
| USART Channels | β | 4 |
| ADC Channels | β | 16-channel |
| Data Bus Width | β | 8 Bit |
| Temperature Range | β | Industrial (-40C to +85C) |
| Life Cycle Stage | β | Active |