ATMEGA168-20AU vs ATMEGA168-20MI Comparison
Detailed side-by-side comparison of ATMEGA168-20AU by Microchip Technology and ATMEGA168-20MI 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
ATMEGA168-20AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168-20AU ✓ ActiveMicrochip Technology
ATMEGA168-20MI - 8-bit AVR MCU 20MHz 16KB Flash QFN-32 | Microchip
ATMEGA168-20MI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168-20AU | ATMEGA168-20MI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Program Memory | 16 KB In-System Programmable Flash | — |
| SRAM | 1 KB | — |
| EEPROM | 512 B | — |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Throughput | 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O Lines | 23 | — |
| General Purpose Working Registers | 32 x 8-bit | — |
| ADC | 8-channel, 10-bit successive approximation | — |
| Timers | 2 x 8-bit, 1 x 16-bit with PWM | Three timer/counters with compare modes and PWM |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| On-Chip Debug | debugWIRE | DebugWIRE |
| Package | 32-TQFP (7x7 mm) | 32-pad VQFN / MLF (HVQCCN), square, no-lead |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Mounting Type | Surface Mount | Surface Mount |
| Instruction Set | 131 powerful instructions, most single clock cycle | — |
| RoHS Status | Compliant | Compliant (GREEN) |
| Core | — | AVR 8-bit RISC |
| Program Memory Size | — | 16 KB Flash |
| SRAM Size | — | 1 KB |
| EEPROM Size | — | 512 B |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 |
| Communication Interfaces | — | I2C, SPI, UART/USART |
| I/O Pins | — | 23 general purpose I/O lines |
| Programming | — | ISP (SPI), self-programming Flash with boot loader support |