ATMEGA3290P-20AU vs ATMEGA3250-16AU Comparison
Detailed side-by-side comparison of ATMEGA3290P-20AU 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
ATMEGA3290P-20AU - AVR 8-Bit MCU 20MHz 32KB Flash TQFP-100 | Microchip
ATMEGA3290P-20AU ✓ ActiveMicrochip Technology
ATMEGA3250-16AU - 8-bit AVR MCU 16MHz 32KB Flash | Microchip
ATMEGA3250-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA3290P-20AU | ATMEGA3250-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-bit |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB (16K x 16) |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| General Purpose I/O | 69 | 54/69 I/O lines |
| Working Registers | 32 | — |
| Instruction Set | 131 powerful instructions | — |
| Supply Voltage | 4.5 V to 5.5 V | — |
| Package | 100-TQFP (14x14 mm, 0.8 mm pitch) | 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 | — |
| Programming / Debug | ICSP, debugWIRE (via MPLAB SNAP) | — |
| LCD Controller | Yes (segment LCD drive) | — |
| Lifecycle Status | ACTIVE | ACTIVE |
| Core Architecture | — | 8-bit AVR RISC |
| Maximum Clock Frequency | — | 16 MHz |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| 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 |