ATMEGA3290PA-AUR vs ATMEGA3250A-AUR Comparison
Detailed side-by-side comparison of ATMEGA3290PA-AUR 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
ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3290PA-AUR β ActiveMicrochip Technology
ATMEGA3250A-AUR - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3250A-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA3290PA-AUR | ATMEGA3250A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.95 | $3.55 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Program Memory Type | FLASH | β |
| Program Memory Size | 32KB (16K x 16) | 32 KB (16K x 16) Flash |
| RAM Size | 2KB | 2 KB SRAM |
| EEPROM Size | 1KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.7 V to 5.5 V |
| Instruction Set | 131 powerful instructions, most single-clock cycle | 131 AVR instructions, mostly single-cycle |
| LCD Driver | 4 x 40 Segment LCD Driver | β |
| Timers | Two 8-bit timer/counters with separate prescaler and compare mode; one 16-bit timer/counter | β |
| Package | TQFP-100 (14x14 mm), 0.8 mm pitch | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | β |
| Programming Method | In-System Programmable (ISP), self-programming Flash | β |
| Power Modes | Idle, Power-save, Power-down, Standby, Extended Standby (picoPower) | β |
| RoHS Status | Green / Compliant (per FindIC listing) | β |
| I/O Count | β | 54 general purpose I/O lines |
| 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) |
| Packaging | β | Tape & Reel (TR) |
| In-System Programming | β | Yes, ISP Flash with read-while-write |
| Compliance | β | [DATA_NEEDED: RoHS/REACH status] |