ATMEGA168-20MUR vs ATMEGA168A-MU Comparison
Detailed side-by-side comparison of ATMEGA168-20MUR by Microchip Technology and ATMEGA168A-MU 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
ATMEGA168-20MUR - AVR 8-Bit MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MUR β ActiveMicrochip Technology
ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168A-MU β ActiveSpecification Comparison
| Parameter | ATMEGA168-20MUR | ATMEGA168A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.12 | $1.38 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 20 MHz | β |
| Program Memory Size | 16 KB (8K x 16) FLASH | β |
| EEPROM Size | 512 B | β |
| RAM Size | 1 KB | β |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Number of I/O | 23 | β |
| ADC Resolution | 10-bit | β |
| ADC Channels | 8 (TQFP/QFN packages) | β |
| Timers | Three flexible timer/counters | β |
| Communication Interfaces | USART, SPI, I2C (TWI) | β |
| Operating Temperature | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| Package | 32-VQFN (5x5 mm) exposed pad | 32-VQFN (5x5 mm) exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| On-Chip Debug | debugWIRE | β |
| Programming | ISP, ICSP (2 I/O pins + reset) | β |
| Lifecycle Status | Active | Active |
| RoHS Status | Compliant (Green) | β |
| Core Architecture | β | 8-bit AVR RISC |
| Flash Memory | β | 16 KB (8K x 16) ISP |
| EEPROM | β | 512 B |
| SRAM | β | 1 KB |
| Maximum Clock Frequency | β | 20 MHz |
| Maximum Throughput | β | 20 MIPS at 20 MHz |
| General Purpose I/O Lines | β | 23 |
| Working Registers | β | 32 x 8-bit general purpose |
| Timer/Counters | β | 3 flexible with compare modes |
| ADC | β | 10-bit, 6-channel (QFN package) |
| Serial Interfaces | β | USART, SPI, 2-wire (I2C/TWI) |
| Data Bus Width | β | 8 bit |
| Instruction Set | β | 133 instructions, mostly single-cycle |