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