ATMEGA3290A-AU vs ATMEGA3250A-AUR Comparison
Detailed side-by-side comparison of ATMEGA3290A-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
ATMEGA3290A-AU - 8-bit AVR MCU 32KB Flash LCD | Microchip
ATMEGA3290A-AU β ActiveMicrochip Technology
ATMEGA3250A-AUR - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3250A-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA3290A-AU | ATMEGA3250A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.85 | $3.55 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | β |
| Program Memory Size | 32KB (16K x 16) FLASH | 32 KB (16K x 16) Flash |
| RAM Size | 2K x 8 SRAM | 2 KB SRAM |
| EEPROM Size | 1KB | 1 KB |
| Number of I/O | 69 | β |
| Working Registers | 32 general purpose | β |
| Instructions | 130 powerful instructions, most single-cycle | β |
| LCD Controller | On-chip, up to 4 x 40 segments, internal contrast control | β |
| Timers | Two 8-bit with prescaler/compare, one 16-bit | β |
| Debug/Programming Interface | JTAG (boundary-scan, on-chip debug and programming) | β |
| Oscillator Type | Internal | β |
| Package / Case | 100-TQFP (14x14 mm) | β |
| Operating Temperature | Industrial range | β |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| Operating Supply Voltage | [DATA_NEEDED: operating supply voltage range] | β |
| Maximum Clock Frequency | β | 20 MHz |
| I/O Count | β | 54 general purpose I/O lines |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| 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) |
| Package | β | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| Instruction Set | β | 131 AVR instructions, mostly single-cycle |
| In-System Programming | β | Yes, ISP Flash with read-while-write |
| Compliance | β | [DATA_NEEDED: RoHS/REACH status] |