ATMEGA128-16AU vs ATMEGA128A-AU Comparison
Detailed side-by-side comparison of ATMEGA128-16AU 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
ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU β ActiveMicrochip Technology
ATMEGA128A-AU - 8-bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA128-16AU | ATMEGA128A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.30 | $4.30 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | 128 KB (64K x 16), In-System Programmable, read-while-write |
| SRAM | 4 KB | 4 KB |
| EEPROM | 4 KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | β |
| 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 | 8-channel, 10-bit |
| Debug Interface | JTAG for on-chip debugging | β |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| 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) | β |
| 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 Processor | β | AVR |
| Core Size | β | 8-Bit |
| Architecture | β | Enhanced RISC, 133 instructions |
| Max Clock Frequency | β | 16 MHz |
| General Purpose I/O | β | 53 lines |
| Working Registers | β | 32 general purpose |
| Timers/Counters | β | 4 flexible timer/counters with compare modes and PWM |
| Communication Interfaces | β | 2x USART, TWI (I2C), SPI |
| Real-Time Counter | β | Yes (RTC) |
| Debug / Boundary Scan | β | JTAG (IEEE 1149.1) |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |
| Projected End of Life | β | 2048-10-03 (per distributor lifecycle data) |