ATMEGA128-16AI vs ATMEGA128-16AC Comparison
Detailed side-by-side comparison of ATMEGA128-16AI by Microchip Technology and ATMEGA128-16AC 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
ATMEGA128-16AC - 8-bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16AC ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16AI | ATMEGA128-16AC |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit enhanced RISC |
| CPU Speed | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | — |
| SRAM | 4 KB | — |
| EEPROM | 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 | 2 x USART, SPI, TWI (I2C-compatible) |
| JTAG | On-chip JTAG for debugging and boundary scan | — |
| Instructions | 133 instructions, most single-cycle | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial, per AI suffix) | 0C to +70C (commercial grade) |
| External Memory Interface | XMEM up to 64 KB | — |
| RoHS Status | unknown | — |
| Core Size | — | 8-bit |
| Maximum Clock Frequency | — | 16 MHz |
| Program Memory Size | — | 128 KB (64K x 16) Flash |
| Program Memory Type | — | In-System Programmable Flash |
| EEPROM Size | — | 4 KB |
| RAM Size | — | 4 KB SRAM |
| Number of I/O | — | 53 I/O lines |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| Timers | — | 2 x 8-bit, 2 x 16-bit with PWM |
| ADC Resolution | — | 10-bit, 8 channels |
| Debug Interface | — | JTAG (boundary scan and on-chip debug) |
| Data Converter | — | A/D 8x10-bit |