ATMEGA3290P-20AUR vs ATMEGA3250P-20AU Comparison
Detailed side-by-side comparison of ATMEGA3290P-20AUR by Microchip Technology and ATMEGA3250P-20AU 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
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR ✓ ActiveMicrochip Technology
ATMEGA3250P-20AU - AVR 8-bit MCU 20MHz 32KB TQFP-100 | Microchip
ATMEGA3250P-20AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA3290P-20AUR | ATMEGA3250P-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC CMOS | — |
| Program Memory (Flash) | 32 KB (16K x 16) ISP, read-while-write | — |
| SRAM | 2 KB | — |
| EEPROM | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Peak Performance | 20 MIPS (approx. 1 MIPS/MHz) | — |
| Instruction Set | 130 instructions, most single-cycle | — |
| General-Purpose I/O | 69 lines | — |
| Working Registers | 32 | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| LCD Controller | Yes, on-chip segment LCD driver | — |
| Debug / Programming | JTAG on-chip debug, ICSP self-programming | — |
| Low-Power Technology | picoPower | — |
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm), 0.8 mm pitch |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C |
| Mounting Type | Surface Mount | Surface Mount |
| Packing | Tape & Reel (R suffix) | — |
| RoHS Status | Green / RoHS compliant per distributor data | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Flash Memory Size | — | 32 KB (16K x 16) |
| SRAM Size | — | 2 KB |
| EEPROM Size | — | 1 KB |
| Number of I/O | — | 69 |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | — | SPI, UART/USART, JTAG |
| ADC Resolution | — | 10-bit |
| Program Memory Type | — | FLASH |
| RAM Size | — | 2 KB |
| Lifecycle Status | — | ACTIVE |