ATMEGA168A-MU vs ATMEGA168-20MU Comparison
Detailed side-by-side comparison of ATMEGA168A-MU by Microchip Technology and ATMEGA168-20MU 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
ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168A-MU ✓ ActiveMicrochip Technology
ATMEGA168-20MU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168A-MU | ATMEGA168-20MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 16 KB (8K x 16) ISP | — |
| EEPROM | 512 B | — |
| SRAM | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Maximum Throughput | 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O Lines | 23 | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Timer/Counters | 3 flexible with compare modes | — |
| ADC | 10-bit, 6-channel (QFN package) | — |
| Serial Interfaces | USART, SPI, 2-wire (I2C/TWI) | — |
| Package | 32-VQFN (5x5 mm) exposed pad | 32-VQFN (5x5 mm) exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Status | Active | — |
| Data Bus Width | 8 bit | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | 0C to +70C |
| Instruction Set | 133 instructions, mostly single-cycle | — |
| Core | — | AVR 8-bit RISC |
| Core Size | — | 8-Bit |
| Speed | — | 20MHz |
| Program Memory Size | — | 16KB (8K x 16) Flash |
| EEPROM Size | — | 512B |
| RAM Size | — | 1K x 8 |
| Number of I/O | — | 23 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 (TQFP and QFN/MLF packages) |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | — | I2C (TWI), SPI, UART/USART |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Oscillator Type | — | Internal |
| Debug | — | debugWIRE on-chip debug |
| Programming | — | ISP, In-Circuit Serial Programming (ICSP) |