ATMEGA128-16AU vs ATMEGA128A-AUR Comparison
Detailed side-by-side comparison of ATMEGA128-16AU 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
ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU ✓ ActiveMicrochip Technology
ATMEGA128A-AUR - 8-Bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16AU | ATMEGA128A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | 128KB (64K x 16) In-System Programmable |
| SRAM | 4 KB | 4KB |
| EEPROM | 4 KB | 4KB |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Throughput | 16 MIPS at 16 MHz (approx. 1 MIPS per MHz) | — |
| 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 | — |
| Debug Interface | JTAG for on-chip debugging | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial (IND TEMP) | — |
| External Memory Interface | Supported (up to 64 KB external data memory) | — |
| Serial Interfaces | 2x USART, SPI, Two-Wire Interface (I2C-compatible) | TWI (I2C), SPI, 2x USART |
| RoHS Status | Compliant (RoHS Y) | [DATA_NEEDED: RoHS status] |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| Operating Temperature Range | [DATA_NEEDED: exact min/max operating temperature] | — |
| I/O Lines | — | 53 |
| Working Registers | — | 32 general purpose |
| Instruction Set | — | 133 powerful instructions, most single-cycle |
| Timers/Counters | — | 4 flexible timer/counters with compare modes and PWM |
| USARTs | — | 2 |
| Operating Temperature | — | Industrial range ([DATA_NEEDED: exact min/max C]) |
| Real-Time Counter | — | Yes |