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