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