ATMEGA3290PA-AU vs ATMEGA3250A-AU Comparison
Detailed side-by-side comparison of ATMEGA3290PA-AU by Microchip Technology and ATMEGA3250A-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
ATMEGA3290PA-AU - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3290PA-AU β ActiveMicrochip Technology
ATMEGA3250A-AU - 8-bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3250A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA3290PA-AU | ATMEGA3250A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.48 | $2.50 |
| 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) | 32 KB (16K x 16) |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Number of I/O Lines | 69 | β |
| General Purpose Working Registers | 32 | β |
| Instruction Set | 131 Powerful Instructions, Most Single-Cycle | β |
| Supply Voltage Range | 1.8 V to 5.5 V | β |
| 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 |
| Speed | β | 20 MHz |
| Supply Voltage | β | 4.5 V to 5.5 V |
| Number of I/O | β | 68 |
| I/O Ports | β | 32 (A-J port system) |
| Connectivity | β | SPI, UART/USART, TWI (I2C) |
| Peripherals | β | Brown-out Detect/Reset, POR, PWM, WDT |
| ADC Resolution | β | 10 bit |
| ADC Channels | β | 8 |
| Instructions | β | 131 (most single-cycle) |
| Debug Interface | β | JTAG (on-chip debug + boundary scan) |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |
| RoHS Status | β | Compliant (Green) |