ATMEGA3250PA-AU vs ATMEGA3290P-20AU Comparison
Detailed side-by-side comparison of ATMEGA3250PA-AU by Microchip Technology and ATMEGA3290P-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
ATMEGA3250PA-AU - 8-bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3250PA-AU ✓ ActiveMicrochip Technology
ATMEGA3290P-20AU - AVR 8-Bit MCU 20MHz 32KB Flash TQFP-100 | Microchip
ATMEGA3290P-20AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA3250PA-AU | ATMEGA3290P-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | — |
| Core Size | 8-Bit | 8-Bit |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB (16K x 16) |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| General Purpose I/O | 69 lines | 69 |
| Working Registers | 32 x 8-bit | 32 |
| Instructions | 131 instructions, most single-cycle | — |
| Throughput | Up to 16 MIPS at 16 MHz (fully static operation) | — |
| Connectivity | SPI, UART/USART, USI | — |
| Debug/Scan Interface | JTAG (boundary-scan, on-chip debug, programming) | — |
| Timers | Three timer/counters with compare modes | — |
| Low Power Technology | picoPower | picoPower |
| Flash Feature | In-System Programmable, read-while-write | — |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount (Gull Wing) | Surface Mount |
| Operating Temperature Range | Industrial (-40C to +85C) | — |
| Operating Voltage | [DATA_NEEDED: operating voltage range] | — |
| Internal Interrupts | Internal and external interrupt sources | — |
| RoHS Status | Green (RoHS compliant per FindIC listing) | — |
| Core Processor | — | AVR |
| Speed | — | 20 MHz |
| Instruction Set | — | 131 powerful instructions |
| Supply Voltage | — | 4.5 V to 5.5 V |
| Operating Temperature | — | -40C to +85C (industrial) |
| Programming / Debug | — | ICSP, debugWIRE (via MPLAB SNAP) |
| LCD Controller | — | Yes (segment LCD drive) |
| Lifecycle Status | — | ACTIVE |