ATMEGA128-16AI vs ATMEGA128A-AN Comparison
Detailed side-by-side comparison of ATMEGA128-16AI by Microchip Technology and ATMEGA128A-AN 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 β ActiveMicrochip Technology
ATMEGA128A-AN - 8-bit AVR MCU 128KB Flash 16MHz | Microchip
ATMEGA128A-AN β ActiveSpecification Comparison
| Parameter | ATMEGA128-16AI | ATMEGA128A-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.90 | $1.95 |
| Core Architecture | AVR 8-bit RISC | β |
| CPU Speed | 16 MHz | β |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | 128 KB (In-System Programmable, read-while-write) |
| SRAM | 4 KB | 4 KB |
| EEPROM | 4 KB | 4 KB |
| Operating Voltage | 4.5 V to 5.5 V | β |
| MIPS Throughput | 16 MIPS at 16 MHz | β |
| ADC | 8-channel 10-bit | [DATA_NEEDED: ADC resolution and channels] |
| Timers/Counters | Two 8-bit, Two 16-bit | 4 flexible Timer/Counters with compare modes and PWM |
| Communication Interfaces | SPI, TWI (I2C), 2x USART | β |
| JTAG | On-chip JTAG for debugging and boundary scan | β |
| Instructions | 133 instructions, most single-cycle | β |
| Package | 64-TQFP (14x14 mm) | TQFP-64 |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial, per AI suffix) | -40C to +105C |
| External Memory Interface | XMEM up to 64 KB | β |
| RoHS Status | unknown | Green (per LCSC/Mouser listing) |
| Core | β | AVR 8-bit RISC |
| Maximum Clock Frequency | β | 16 MHz |
| General Purpose I/O | β | 53 lines |
| Working Registers | β | 32 general purpose |
| USART | β | 2 |
| Real Time Counter | β | Yes (RTC) |
| Supply Voltage | β | [DATA_NEEDED: supply voltage range] |