ATMEGA168A-MU vs ATMEGA168P-20MU Comparison
Detailed side-by-side comparison of ATMEGA168A-MU by Microchip Technology and ATMEGA168P-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
ATMEGA168P-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168A-MU | ATMEGA168P-20MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.38 | $1.38 |
| 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 | — |
| 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) |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Status | Active | — |
| Data Bus Width | 8 bit | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| Instruction Set | 133 instructions, mostly single-cycle | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| EEPROM Size | — | 512 B |
| RAM Size | — | 1 KB SRAM |
| Number of I/O | — | 23 |
| Connectivity | — | I2C, SPI, USART |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| ADC Resolution | — | 10-bit |
| Number of ADC Channels | — | 8 (in QFN/TQFP packages) |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Oscillator Type | — | Internal |
| Programming | — | ICSP, debugWIRE |
| Technology | — | picoPower low-power |
| RoHS Status | — | Compliant |