ATMEGA168-20AUR vs ATMEGA168-20AI Comparison
Detailed side-by-side comparison of ATMEGA168-20AUR by Microchip Technology and ATMEGA168-20AI 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
ATMEGA168-20AUR
ATMEGA168-20AUR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20AUR β ActiveMicrochip Technology
ATMEGA168-20AI
ATMEGA168-20AI - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20AI β ActiveSpecification Comparison
| Parameter | ATMEGA168-20AUR | ATMEGA168-20AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.76 | $1.85 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 20 MHz | β |
| Flash Memory | 16 KB (8K x 16) | 16 KB (8K x 16) |
| EEPROM | 512 B | 512 B |
| RAM Size | 1 KB | β |
| Number of I/O | 23 | β |
| ADC Resolution | 10-bit, 8 channels | 10-bit |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Timers/Counters | 3 | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | USART, SPI, I2C (TWI) | USART, SPI, 2-wire (I2C-compatible) |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| On-Chip Debug | debugWIRE | β |
| In-System Programming | Yes (ISP, read-while-write) | β |
| Programmable Instructions | 133 (most single-cycle) | β |
| RoHS Status | Compliant | β |
| Core Architecture | β | 8-bit AVR RISC |
| Maximum Clock Frequency | β | 20 MHz |
| SRAM | β | 1 KB |
| Operating Temperature | β | -40C to +85C (industrial) |
| I/O Lines | β | 23 |
| ADC Channels | β | 8 |
| Throughput | β | Up to 20 MIPS at 20 MHz |
| Instructions | β | 131 instructions, most single-cycle |
| On-chip Debug | β | debugWIRE |
| Programming | β | ISP (In-System Programming), self-programming Flash |