ATMEGA128-16AU vs ATMEGA128-16AI Comparison
Detailed side-by-side comparison of ATMEGA128-16AU by Microchip Technology and ATMEGA128-16AI 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
ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU β ActiveMicrochip Technology
ATMEGA128-16AI - 8-bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16AI β ActiveSpecification Comparison
| Parameter | ATMEGA128-16AU | ATMEGA128-16AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.30 | $5.90 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | 128 KB (64K x 16) In-System Programmable |
| SRAM | 4 KB | 4 KB |
| EEPROM | 4 KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | β |
| Throughput | 16 MIPS at 16 MHz (approx. 1 MIPS per MHz) | β |
| Supply Voltage Range | 4.5 V to 5.5 V (16 MHz speed grade) | β |
| ADC | 8-channel 10-bit | 8-channel 10-bit |
| Debug Interface | JTAG for on-chip debugging | β |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial (IND TEMP) | β |
| External Memory Interface | Supported (up to 64 KB external data memory) | XMEM up to 64 KB |
| Serial Interfaces | 2x USART, SPI, Two-Wire Interface (I2C-compatible) | β |
| RoHS Status | Compliant (RoHS Y) | unknown |
| MSL Level | [DATA_NEEDED: MSL rating] | β |
| Operating Temperature Range | [DATA_NEEDED: exact min/max operating temperature] | β |
| CPU Speed | β | 16 MHz |
| Operating Voltage | β | 4.5 V to 5.5 V |
| MIPS Throughput | β | 16 MIPS at 16 MHz |
| Timers/Counters | β | Two 8-bit, Two 16-bit |
| Communication Interfaces | β | SPI, TWI (I2C), 2x USART |
| JTAG | β | On-chip JTAG for debugging and boundary scan |
| Instructions | β | 133 instructions, most single-cycle |
| Operating Temperature | β | -40C to +85C (industrial, per AI suffix) |