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