ATMEGA325A-AU vs ATMEGA165PA-AU Comparison
Detailed side-by-side comparison of ATMEGA325A-AU by Microchip Technology and ATMEGA165PA-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
ATMEGA325A-AU - AVR 8-bit MCU 32KB Flash 20MHz 64TQFP | Microchip
ATMEGA325A-AU ✓ ActiveMicrochip Technology
ATMEGA165PA-AU - 8-bit AVR MCU 16MHz 16KB Flash | Microchip
ATMEGA165PA-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325A-AU | ATMEGA165PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 32 KB (16K x 16) ISP Flash with read-while-write | 16 KB (8K x 16) |
| SRAM | 2 KB | 1 KB |
| EEPROM | 1 KB | 512 B |
| Maximum Clock Frequency | 20 MHz | — |
| Instructions | 131 powerful instructions, most single-cycle | — |
| General Purpose I/O | 54 lines | — |
| Working Registers | 32 general purpose registers | 32 general purpose |
| Debug / Test Interface | JTAG (on-chip debug and boundary scan) | — |
| Supply Voltage | 4.5 V to 5.5 V | — |
| Package | 64-TQFP, 14 x 14 mm, 0.8 mm pitch | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | — |
| RoHS Status | Green (lead-free, per FindIC listing) | Compliant |
| Lifecycle Stage | ACTIVE | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Max Clock Speed | — | 16 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| GPIO Count | — | 53 |
| Operating Temperature | — | -40C to +85C |
| 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 |
| Instruction Set | — | 133 instructions, most single-cycle |