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