ATMEGA3290-16AI vs ATMEGA3290P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA3290-16AI by Microchip Technology and ATMEGA3290P-20AUR 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
ATMEGA3290-16AI - AVR 8-bit MCU 16MHz 32KB TQFP-100 | Microchip
ATMEGA3290-16AI β ActiveMicrochip Technology
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR β ActiveSpecification Comparison
| Parameter | ATMEGA3290-16AI | ATMEGA3290P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.14 | $0.00 |
| Core Architecture | AVR 8-bit RISC, 130 instructions | AVR 8-bit RISC CMOS |
| Flash Program Memory | 32 KB (16K x 16) | β |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum Clock Frequency | 16 MHz | 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 69 I/O lines | β |
| Serial Interfaces | SPI, UART/USART, USI | β |
| LCD Controller | Integrated segmented LCD driver | Yes, on-chip segment LCD driver |
| Working Registers | 32 x 8-bit general purpose | 32 |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Low Power Technology | picoPower AVR, multiple sleep modes | β |
| Debug Interface | JTAG (on-chip debug, boundary scan) | β |
| In-System Programming | Yes (self-programming Flash, read-while-write) | β |
| RoHS Status | Compliant (RoHS per distributor listings) | Green / RoHS compliant per distributor data |
| Program Memory (Flash) | β | 32 KB (16K x 16) ISP, read-while-write |
| Peak Performance | β | 20 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | β | 130 instructions, most single-cycle |
| General-Purpose I/O | β | 69 lines |
| Debug / Programming | β | JTAG on-chip debug, ICSP self-programming |
| Low-Power Technology | β | picoPower |
| Packing | β | Tape & Reel (R suffix) |