ATMEGA128A-AUR vs ATMEGA128A-AU Comparison
Detailed side-by-side comparison of ATMEGA128A-AUR by Microchip Technology and ATMEGA128A-AU 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
ATMEGA128A-AUR - 8-Bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AUR ✓ ActiveMicrochip Technology
ATMEGA128A-AU - 8-bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128A-AUR | ATMEGA128A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | — |
| Flash Memory | 128KB (64K x 16) In-System Programmable | 128 KB (64K x 16), In-System Programmable, read-while-write |
| EEPROM | 4KB | 4 KB |
| SRAM | 4KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| I/O Lines | 53 | — |
| Working Registers | 32 general purpose | 32 general purpose |
| Instruction Set | 133 powerful instructions, most single-cycle | — |
| Timers/Counters | 4 flexible timer/counters with compare modes and PWM | 4 flexible timer/counters with compare modes and PWM |
| USARTs | 2 | — |
| Serial Interfaces | TWI (I2C), SPI, 2x USART | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Industrial range ([DATA_NEEDED: exact min/max C]) | [DATA_NEEDED: operating temperature range] |
| Real-Time Counter | Yes | Yes (RTC) |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Architecture | — | Enhanced RISC, 133 instructions |
| Max Clock Frequency | — | 16 MHz |
| General Purpose I/O | — | 53 lines |
| Communication Interfaces | — | 2x USART, TWI (I2C), SPI |
| ADC | — | 8-channel, 10-bit |
| Debug / Boundary Scan | — | JTAG (IEEE 1149.1) |
| Projected End of Life | — | 2048-10-03 (per distributor lifecycle data) |