ATMEGA168-20AUR vs ATMEGA164PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA168-20AUR by Microchip Technology and ATMEGA164PA-AUR 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
ATMEGA168-20AUR
ATMEGA168-20AUR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20AUR β ActiveMicrochip Technology
ATMEGA164PA-AUR
ATMEGA164PA-AUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA168-20AUR | ATMEGA164PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.76 | $2.05 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 20 MHz | β |
| Flash Memory | 16 KB (8K x 16) | β |
| EEPROM | 512 B | 512 B |
| RAM Size | 1 KB | β |
| Number of I/O | 23 | β |
| ADC Resolution | 10-bit, 8 channels | β |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| Timers/Counters | 3 | β |
| Communication Interfaces | USART, SPI, I2C (TWI) | β |
| Package | 32-TQFP (7x7 mm) | 44-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| On-Chip Debug | debugWIRE | β |
| In-System Programming | Yes (ISP, read-while-write) | β |
| Programmable Instructions | 133 (most single-cycle) | β |
| RoHS Status | Compliant | Compliant |
| Core Architecture | β | 8-bit AVR enhanced RISC |
| Program Memory (Flash) | β | 16 KB (8K x 16) in-system programmable |
| SRAM | β | 1 KB |
| Maximum Clock Frequency | β | 20 MHz |
| Throughput | β | Up to 20 MIPS at 20 MHz (1 MIPS/MHz) |
| General Purpose I/O Lines | β | 32 |
| General Purpose Working Registers | β | 32 |
| ADC | β | 8-channel, 10-bit successive approximation |
| Serial Interfaces | β | 2x USART, 1x TWI (I2C), 1x SPI |
| Timers | β | 2x 8-bit, 1x 16-bit with PWM and compare modes |
| Real-Time Counter | β | Yes, with separate oscillator |
| Operating Temperature Range | β | -40 C to +85 C (industrial) |
| Packaging | β | Tape & Reel (AUR suffix) |
| Instruction Set | β | 131 powerful instructions, most single clock cycle |
| Programming Interfaces | β | SPI, JTAG (IEEE 1149.1), debugWIRE |