ATMEGA6490-16AUR vs ATMEGA3290-16AI Comparison
Detailed side-by-side comparison of ATMEGA6490-16AUR by Microchip Technology and ATMEGA3290-16AI 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
ATMEGA6490-16AUR - 8-bit AVR MCU 64KB Flash 16MHz LCD | Microchip
ATMEGA6490-16AUR β ActiveMicrochip Technology
ATMEGA3290-16AI - AVR 8-bit MCU 16MHz 32KB TQFP-100 | Microchip
ATMEGA3290-16AI β ActiveSpecification Comparison
| Parameter | ATMEGA6490-16AUR | ATMEGA3290-16AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.45 | $4.14 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC, 130 instructions |
| Flash Program Memory | 64 KB (32K x 16) ISP, read-while-write | 32 KB (16K x 16) |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| Maximum CPU Speed | 16 MHz | β |
| General Purpose I/O | 54 / 69 lines | 69 I/O lines |
| Working Registers | 32 general purpose registers | 32 x 8-bit general purpose |
| LCD Controller | Integrated segment LCD driver | Integrated segmented LCD driver |
| ADC | 8-channel 10-bit | β |
| Debug / Boundary Scan | JTAG interface | β |
| Supply Voltage | 4.5 V to 5.5 V (16 MHz grade) | β |
| Low Power Technology | picoPower | picoPower AVR, multiple sleep modes |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | β |
| RoHS Status | Compliant (GREEN, per FindIC data) | Compliant (RoHS per distributor listings) |
| Instructions | 130 instructions, mostly single-cycle | β |
| Maximum Clock Frequency | β | 16 MHz |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Serial Interfaces | β | SPI, UART/USART, USI |
| Debug Interface | β | JTAG (on-chip debug, boundary scan) |
| In-System Programming | β | Yes (self-programming Flash, read-while-write) |