ATMEGA168A-AU vs ATMEGA168P-20AU Comparison
Detailed side-by-side comparison of ATMEGA168A-AU by Microchip Technology and ATMEGA168P-20AU 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-AU
ATMEGA168A-AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-AU β ActiveMicrochip Technology
ATMEGA168P-20AU
ATMEGA168P-20AU - 8-Bit AVR 16KB Flash MCU | Microchip
ATMEGA168P-20AU β ActiveSpecification Comparison
| Parameter | ATMEGA168A-AU | ATMEGA168P-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.42 | $2.91 |
| Core Architecture | 8-bit AVR RISC | β |
| Program Memory Size | 16 KB (8K x 16) Flash | 16 KB (8K x 16) Flash |
| Program Memory Type | Flash (ISP, read-while-write) | β |
| EEPROM Size | 512 B | 512 B |
| SRAM Size | 1 KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Number of I/O Lines | 23 | 23 |
| General Purpose Registers | 32 | 32 |
| Instruction Set | 131 instructions, most single-cycle | 133 instructions, most single-cycle |
| Timers/Counters | 3 (two 8-bit, one 16-bit) with compare modes | β |
| Serial Interfaces | USART, SPI, Two-Wire (I2C) | USART, SPI, TWI (I2C) |
| ADC Resolution | 10-bit | 10-bit |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C (industrial) |
| Supply Current (Active) | [DATA_NEEDED: active supply current] | [DATA_NEEDED: active supply current] |
| Sleep Modes | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) | β |
| RoHS Status | Compliant | Compliant (GREEN) |
| Lifecycle Stage | Active | β |
| Core Processor | β | AVR 8-bit RISC |
| Timer/Counters | β | 3 (two 8-bit, one 16-bit) with compare modes |
| Programming Interface | β | ISP / ICSP (SPI-based) |