ATMEGA165-16AI vs ATMEGA165A-AU Comparison
Detailed side-by-side comparison of ATMEGA165-16AI by Microchip Technology and ATMEGA165A-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
ATMEGA165-16AI - 8-bit AVR MCU 16KB Flash 16MHz 64-TQFP | Microchip
ATMEGA165-16AI ✓ ActiveMicrochip Technology
ATMEGA165A-AU - 8-Bit AVR MCU 16KB Flash 16MHz | Microchip
ATMEGA165A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA165-16AI | ATMEGA165A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR enhanced RISC, 8-bit | — |
| Flash Memory | 16 KB (8K x 16) In-System Programmable | — |
| Maximum Clock Frequency | 16 MHz | — |
| Peak Throughput | 16 MIPS (at 16 MHz) | — |
| Instruction Set | 130 instructions, most single-cycle | 133 powerful instructions, most single clock cycle |
| Working Registers | 8 x general purpose 8-bit registers | — |
| Package | 64-TQFP (14 x 14 mm) | 64-pin TQFP (14 x 14 mm, 1 mm height) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range for -16AI grade] | 2.7 V to 5.5 V |
| SRAM Size | [DATA_NEEDED: SRAM size] | 1 KB |
| EEPROM Size | [DATA_NEEDED: EEPROM size] | 512 B |
| GPIO Count | [DATA_NEEDED: GPIO count] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution and channels] | 10-bit successive approximation |
| Communication Interfaces | USART, SPI (per family datasheet); TWI [DATA_NEEDED: TWI presence] | SPI, UART/USART, USI |
| Debug/Scan | JTAG on-chip debug and boundary scan (per family datasheet) | — |
| Programming | In-System Programmable (ISP) via SPI | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Core Processor | — | AVR 8-bit RISC |
| Program Memory Size | — | 16 KB (8K x 16) Flash |
| Maximum Clock Speed | — | 16 MHz |
| Throughput | — | Up to 16 MIPS at 16 MHz |
| Number of I/O Lines | — | 54 |
| General Purpose Working Registers | — | 32 |
| Debug Interface | — | JTAG (boundary-scan and on-chip debug) |
| Brown-out Detection | — | Programmable |
| Watchdog Timer | — | Programmable on-chip |