ATMEGA3290A-AU vs ATMEGA3290PA-AU Comparison
Detailed side-by-side comparison of ATMEGA3290A-AU by Microchip Technology and ATMEGA3290PA-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
ATMEGA3290A-AU - 8-bit AVR MCU 32KB Flash LCD | Microchip
ATMEGA3290A-AU β ActiveMicrochip Technology
ATMEGA3290PA-AU - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3290PA-AU β ActiveSpecification Comparison
| Parameter | ATMEGA3290A-AU | ATMEGA3290PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.85 | $4.48 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | β |
| Program Memory Size | 32KB (16K x 16) FLASH | β |
| RAM Size | 2K x 8 SRAM | β |
| EEPROM Size | 1KB | β |
| 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 | On-chip segment LCD with internal contrast control |
| Timers | Two 8-bit with prescaler/compare, one 16-bit | β |
| Debug/Programming Interface | JTAG (boundary-scan, on-chip debug and programming) | JTAG (boundary-scan, on-chip debug, programming) |
| 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) | β |
| Operating Supply Voltage | [DATA_NEEDED: operating supply voltage range] | β |
| Core Architecture | β | AVR 8-bit RISC |
| Max Clock Frequency | β | 20 MHz |
| Flash Memory | β | 32 KB (16K x 16) |
| SRAM | β | 2 KB |
| EEPROM | β | 1 KB |
| Number of I/O Lines | β | 69 |
| General Purpose Working Registers | β | 32 |
| Instruction Set | β | 131 Powerful Instructions, Most Single-Cycle |
| Supply Voltage Range | β | 1.8 V to 5.5 V |
| Flash Programming | β | In-System Programmable (ISP), read-while-write |
| Low Power Technology | β | picoPower |
| Package | β | 100-TQFP (14 x 14 mm) |
| Temperature Range | β | Industrial |
| RoHS / Green Status | β | Green (RoHS compliant per distributor listing) |