ATMEGA168P-20AUR vs ATMEGA168A-AU Comparison
Detailed side-by-side comparison of ATMEGA168P-20AUR by Microchip Technology and ATMEGA168A-AU 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
ATMEGA168P-20AUR - 8-bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168P-20AUR β ActiveMicrochip Technology
ATMEGA168A-AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA168P-20AUR | ATMEGA168A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.49 | $1.42 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 16 KB (8K x 16) ISP | β |
| SRAM | 1 KB | β |
| EEPROM | 512 B | β |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | β |
| Number of I/O Lines | 23 | 23 |
| ADC Resolution | 10 bit | 10-bit |
| ADC Channels | 8 (TQFP/QFN packages) | β |
| Communication Interfaces | USART, SPI, I2C (TWI) | β |
| Timers | 2 x 8-bit, 1 x 16-bit | β |
| PWM Channels | Yes (timer compare outputs) | β |
| Debug Interface | debugWIRE on-chip debugging | β |
| Programming | In-Circuit Serial Programming (ICSP) | β |
| Low Power Technology | picoPower | β |
| Operating Temperature | -40C to +85C | -40 C to +85 C |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Status | Active | β |
| Program Memory Size | β | 16 KB (8K x 16) Flash |
| Program Memory Type | β | Flash (ISP, read-while-write) |
| EEPROM Size | β | 512 B |
| SRAM Size | β | 1 KB |
| Operating Voltage Range | β | 2.7 V to 5.5 V |
| General Purpose Registers | β | 32 |
| Instruction Set | β | 131 instructions, most single-cycle |
| Timers/Counters | β | 3 (two 8-bit, one 16-bit) with compare modes |
| Serial Interfaces | β | USART, SPI, Two-Wire (I2C) |
| Supply Current (Active) | β | [DATA_NEEDED: active supply current] |
| Sleep Modes | β | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) |
| RoHS Status | β | Compliant |
| Lifecycle Stage | β | Active |