ATMEGA3290-16AI vs ATMEGA3250-16AU Comparison
Detailed side-by-side comparison of ATMEGA3290-16AI by Microchip Technology and ATMEGA3250-16AU 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
ATMEGA3250-16AU - 8-bit AVR MCU 16MHz 32KB Flash | Microchip
ATMEGA3250-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA3290-16AI | ATMEGA3250-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC, 130 instructions | 8-bit AVR RISC |
| Flash Program Memory | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| General Purpose I/O | 69 I/O lines | 54/69 I/O lines |
| Serial Interfaces | SPI, UART/USART, USI | — |
| LCD Controller | Integrated segmented LCD driver | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm), 0.80 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Low Power Technology | picoPower AVR, multiple sleep modes | — |
| 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) | — |
| Core Size | — | 8-bit |
| Flash Memory | — | 32 KB (16K x 16) |
| I/O Ports | — | 32 |
| Instructions | — | 131 powerful instructions |
| Interfaces | — | USART, SPI, TWI (I2C), JTAG |
| Timers | — | Three flexible timer/counters with compare modes |
| Debug / Test | — | JTAG boundary-scan and on-chip debugging |
| Programming | — | In-System Programmable (ISP) Flash with read-while-write |
| Lifecycle Status | — | ACTIVE |