ATMEGA3250-16AU vs ATMEGA3250A-AUR Comparison
Detailed side-by-side comparison of ATMEGA3250-16AU by Microchip Technology and ATMEGA3250A-AUR 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
ATMEGA3250-16AU - 8-bit AVR MCU 16MHz 32KB Flash | Microchip
ATMEGA3250-16AU β ActiveMicrochip Technology
ATMEGA3250A-AUR - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3250A-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA3250-16AU | ATMEGA3250A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.74 | $3.55 |
| Core Architecture | 8-bit AVR RISC | β |
| Core Size | 8-bit | 8-Bit |
| Maximum Clock Frequency | 16 MHz | 20 MHz |
| Flash Memory | 32 KB (16K x 16) | β |
| EEPROM | 1 KB | β |
| SRAM | 2 KB | β |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 54/69 I/O lines | β |
| I/O Ports | 32 | β |
| Instructions | 131 powerful instructions | β |
| Interfaces | USART, SPI, TWI (I2C), JTAG | β |
| Timers | Three flexible timer/counters with compare modes | β |
| Debug / Test | JTAG boundary-scan and on-chip debugging | β |
| Programming | In-System Programmable (ISP) Flash with read-while-write | β |
| Operating Temperature | -40C to +85C (industrial) | β |
| Package | 100-TQFP (14x14 mm), 0.80 mm pitch | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Status | ACTIVE | β |
| Core Processor | β | AVR |
| Program Memory Size | β | 32 KB (16K x 16) Flash |
| EEPROM Size | β | 1 KB |
| RAM Size | β | 2 KB SRAM |
| I/O Count | β | 54 general purpose I/O lines |
| Data Converters | β | 10-bit ADC, 8 channels |
| Connectivity | β | SPI, UART/USART |
| Debug / Scan | β | JTAG (IEEE 1149.1 boundary scan, on-chip debug) |
| Packaging | β | Tape & Reel (TR) |
| Instruction Set | β | 131 AVR instructions, mostly single-cycle |
| In-System Programming | β | Yes, ISP Flash with read-while-write |
| Compliance | β | [DATA_NEEDED: RoHS/REACH status] |