ATMEGA3290-16AI vs ATMEGA6490-16AUR Comparison
Detailed side-by-side comparison of ATMEGA3290-16AI by Microchip Technology and ATMEGA6490-16AUR 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 ✓ ActiveMicrochip Technology
ATMEGA6490-16AUR - 8-bit AVR MCU 64KB Flash 16MHz LCD | Microchip
ATMEGA6490-16AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA3290-16AI | ATMEGA6490-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.14 | $8.45 |
| Core Architecture | AVR 8-bit RISC, 130 instructions | 8-bit AVR RISC |
| Flash Program Memory | 32 KB (16K x 16) | 64 KB (32K x 16) ISP, read-while-write |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | 2 KB |
| Maximum Clock Frequency | 16 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 69 I/O lines | 54 / 69 lines |
| Serial Interfaces | SPI, UART/USART, USI | — |
| LCD Controller | Integrated segmented LCD driver | Integrated segment LCD driver |
| Working Registers | 32 x 8-bit general purpose | 32 general purpose registers |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 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 | picoPower |
| Debug Interface | JTAG (on-chip debug, boundary scan) | — |
| In-System Programming | Yes (self-programming Flash, read-while-write) | — |
| RoHS Status | Compliant (RoHS per distributor listings) | Compliant (GREEN, per FindIC data) |
| Maximum CPU Speed | — | 16 MHz |
| ADC | — | 8-channel 10-bit |
| Debug / Boundary Scan | — | JTAG interface |
| Supply Voltage | — | 4.5 V to 5.5 V (16 MHz grade) |
| Packaging | — | Tape & Reel (R suffix) |
| Instructions | — | 130 instructions, mostly single-cycle |