ATMEGA165PA-AU vs ATMEGA165A-AU Comparison
Detailed side-by-side comparison of ATMEGA165PA-AU 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
ATMEGA165PA-AU - 8-bit AVR MCU 16MHz 16KB Flash | Microchip
ATMEGA165PA-AU ✓ ActiveMicrochip Technology
ATMEGA165A-AU - 8-Bit AVR MCU 16KB Flash 16MHz | Microchip
ATMEGA165A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA165PA-AU | ATMEGA165A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | AVR 8-bit RISC |
| Core Size | 8-Bit | — |
| Max Clock Speed | 16 MHz | — |
| Flash Memory | 16 KB (8K x 16) | — |
| EEPROM | 512 B | — |
| SRAM | 1 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| GPIO Count | 53 | — |
| Package | 64-TQFP (14x14 mm) | 64-pin TQFP (14 x 14 mm, 1 mm height) |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Connectivity | SPI, UART/USART, JTAG | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, picoPower | — |
| Timers | Two 8-bit, one 16-bit | — |
| ADC Resolution | 10-bit | 10-bit successive approximation |
| Instruction Set | 133 instructions, most single-cycle | 133 powerful instructions, most single clock cycle |
| Working Registers | 32 general purpose | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Program Memory Size | — | 16 KB (8K x 16) Flash |
| EEPROM Size | — | 512 B |
| SRAM Size | — | 1 KB |
| 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) |
| Communication Interfaces | — | SPI, UART/USART, USI |
| Brown-out Detection | — | Programmable |
| Watchdog Timer | — | Programmable on-chip |