ATMEGA128A-AU vs ATMEGA103L-4AI Comparison
Detailed side-by-side comparison of ATMEGA128A-AU by Microchip Technology and ATMEGA103L-4AI 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
ATMEGA103L-4AI - 8-Bit AVR MCU 128KB 4MHz TQFP-64 | Microchip
ATMEGA103L-4AI ObsoleteSpecification Comparison
| Parameter | ATMEGA128A-AU | ATMEGA103L-4AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Obsolete |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Architecture | Enhanced RISC, 133 instructions | AVR Enhanced RISC |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16), In-System Programmable, read-while-write | — |
| EEPROM | 4 KB | — |
| SRAM | 4 KB | 4KB |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 general purpose | — |
| Timers/Counters | 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) | — |
| 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] | -40C to +85C (industrial, AI suffix) |
| Projected End of Life | 2048-10-03 (per distributor lifecycle data) | — |
| Maximum Clock Frequency | — | 4 MHz |
| Flash Program Memory | — | 128KB (64K x 16) |
| Instruction Set | — | 121 powerful instructions, mostly single-cycle |
| Connectivity | — | SPI, UART |
| Number of I/O | — | [DATA_NEEDED: number of GPIO] |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution/channels] |
| Operating Voltage | — | [DATA_NEEDED: operating voltage range (L variant)] |
| Product Status | — | Obsolete |
| Packaging | — | Tray |
| RoHS Status | — | unknown |