ATMEGA103L-4AI vs ATMEGA128A-AU Comparison
Detailed side-by-side comparison of ATMEGA103L-4AI 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
ATMEGA103L-4AI - 8-Bit AVR MCU 128KB 4MHz TQFP-64 | Microchip
ATMEGA103L-4AI ObsoleteMicrochip Technology
ATMEGA128A-AU - 8-bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA103L-4AI | ATMEGA128A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Obsolete | Active |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Maximum Clock Frequency | 4 MHz | — |
| Flash Program Memory | 128KB (64K x 16) | — |
| SRAM | 4KB | 4 KB |
| Instruction Set | 121 powerful instructions, mostly single-cycle | — |
| Architecture | AVR Enhanced RISC | Enhanced RISC, 133 instructions |
| 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)] | — |
| Operating Temperature | -40C to +85C (industrial, AI suffix) | [DATA_NEEDED: operating temperature range] |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | — |
| Packaging | Tray | — |
| RoHS Status | unknown | — |
| Max Clock Frequency | — | 16 MHz |
| Flash Memory | — | 128 KB (64K x 16), In-System Programmable, read-while-write |
| EEPROM | — | 4 KB |
| 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) |
| Projected End of Life | — | 2048-10-03 (per distributor lifecycle data) |