ATMEGA325A-AU vs ATMEGA165A-AU Comparison
Detailed side-by-side comparison of ATMEGA325A-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
ATMEGA325A-AU - AVR 8-bit MCU 32KB Flash 20MHz 64TQFP | Microchip
ATMEGA325A-AU β ActiveMicrochip Technology
ATMEGA165A-AU - 8-Bit AVR MCU 16KB Flash 16MHz | Microchip
ATMEGA165A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA325A-AU | ATMEGA165A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.12 | $3.47 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Memory | 32 KB (16K x 16) ISP Flash with read-while-write | β |
| SRAM | 2 KB | β |
| EEPROM | 1 KB | β |
| Maximum Clock Frequency | 20 MHz | β |
| Instructions | 131 powerful instructions, most single-cycle | β |
| General Purpose I/O | 54 lines | β |
| Working Registers | 32 general purpose registers | β |
| Debug / Test Interface | JTAG (on-chip debug and boundary scan) | β |
| Supply Voltage | 4.5 V to 5.5 V | β |
| Package | 64-TQFP, 14 x 14 mm, 0.8 mm pitch | 64-pin TQFP (14 x 14 mm, 1 mm height) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | β |
| RoHS Status | Green (lead-free, per FindIC listing) | Compliant |
| Lifecycle Stage | ACTIVE | β |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | β |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | β |
| Core Processor | β | AVR 8-bit RISC |
| Program Memory Size | β | 16 KB (8K x 16) Flash |
| EEPROM Size | β | 512 B |
| SRAM Size | β | 1 KB |
| Maximum Clock Speed | β | 16 MHz |
| Throughput | β | Up to 16 MIPS at 16 MHz |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Number of I/O Lines | β | 54 |
| General Purpose Working Registers | β | 32 |
| Instruction Set | β | 133 powerful instructions, most single clock cycle |
| ADC Resolution | β | 10-bit successive approximation |
| Operating Temperature | β | -40C to +85C (industrial) |
| Debug Interface | β | JTAG (boundary-scan and on-chip debug) |
| Communication Interfaces | β | SPI, UART/USART, USI |
| Brown-out Detection | β | Programmable |
| Watchdog Timer | β | Programmable on-chip |