ATMEGA128-16AI vs ATMEGA128L-8AJ Comparison
Detailed side-by-side comparison of ATMEGA128-16AI by Microchip Technology and ATMEGA128L-8AJ 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
ATMEGA128-16AI - 8-bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16AI ✓ ActiveMicrochip Technology
ATMEGA128L-8AJ - 8MHz AVR MCU 128KB Flash TQFP-64 | Microchip
ATMEGA128L-8AJ ObsoleteSpecification Comparison
| Parameter | ATMEGA128-16AI | ATMEGA128L-8AJ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Obsolete |
| Core Architecture | AVR 8-bit RISC | — |
| CPU Speed | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | — |
| SRAM | 4 KB | 4 KB |
| EEPROM | 4 KB | 4 KB |
| Operating Voltage | 4.5 V to 5.5 V | — |
| MIPS Throughput | 16 MIPS at 16 MHz | — |
| ADC | 8-channel 10-bit | — |
| Timers/Counters | Two 8-bit, Two 16-bit | — |
| Communication Interfaces | SPI, TWI (I2C), 2x USART | — |
| JTAG | On-chip JTAG for debugging and boundary scan | — |
| Instructions | 133 instructions, most single-cycle | 133 (most single-cycle execution) |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial, per AI suffix) | — |
| External Memory Interface | XMEM up to 64 KB | — |
| RoHS Status | unknown | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 8 MHz |
| Flash Program Memory | — | 128 KB (64K x 16) |
| ADC Channels | — | 8 x 10-bit |
| Connectivity | — | EBI/EMI, I2C, SPI, UART/USART |
| I/O Count | — | 53 |
| Debug Interface | — | JTAG (on-chip debug, boundary scan) |
| Supply Voltage Range | — | 2.7 V to 5.5 V (L grade) |
| Throughput | — | up to 8 MIPS at 8 MHz |
| Pin Compatibility | — | 100% pin compatible with ATmega103 |
| Lifecycle Status | — | Obsolete |