ATMEGA3290PA-AU vs ATMEGA3250A-AUR Comparison
Detailed side-by-side comparison of ATMEGA3290PA-AU by Microchip Technology and ATMEGA3250A-AUR 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
ATMEGA3290PA-AU - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3290PA-AU β ActiveMicrochip Technology
ATMEGA3250A-AUR - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3250A-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA3290PA-AU | ATMEGA3250A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.48 | $3.55 |
| Core Architecture | AVR 8-bit RISC | β |
| Core Size | 8-Bit | 8-Bit |
| Max Clock Frequency | 20 MHz | β |
| Flash Memory | 32 KB (16K x 16) | β |
| SRAM | 2 KB | β |
| EEPROM | 1 KB | β |
| Number of I/O Lines | 69 | β |
| General Purpose Working Registers | 32 | β |
| Instruction Set | 131 Powerful Instructions, Most Single-Cycle | 131 AVR instructions, mostly single-cycle |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| LCD Controller | On-chip segment LCD with internal contrast control | β |
| Debug/Programming Interface | JTAG (boundary-scan, on-chip debug, programming) | β |
| Flash Programming | In-System Programmable (ISP), read-while-write | β |
| Low Power Technology | picoPower | β |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial | β |
| RoHS / Green Status | Green (RoHS compliant per distributor listing) | β |
| Core Processor | β | AVR |
| Program Memory Size | β | 32 KB (16K x 16) Flash |
| EEPROM Size | β | 1 KB |
| RAM Size | β | 2 KB SRAM |
| Maximum Clock Frequency | β | 20 MHz |
| I/O Count | β | 54 general purpose I/O lines |
| Data Converters | β | 10-bit ADC, 8 channels |
| Connectivity | β | SPI, UART/USART |
| Debug / Scan | β | JTAG (IEEE 1149.1 boundary scan, on-chip debug) |
| Packaging | β | Tape & Reel (TR) |
| In-System Programming | β | Yes, ISP Flash with read-while-write |
| Compliance | β | [DATA_NEEDED: RoHS/REACH status] |