ATMEGA168-20PU vs ATMEGA168P-20PU Comparison
Detailed side-by-side comparison of ATMEGA168-20PU by Microchip Technology and ATMEGA168P-20PU 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
ATMEGA168-20PU - 8-bit AVR MCU 16KB Flash 20MHz PDIP-28 | Microchip
ATMEGA168-20PU ✓ ActiveMicrochip Technology
ATMEGA168P-20PU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168-20PU | ATMEGA168P-20PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.78 | $2.05 |
| Core Processor | AVR 8-bit RISC | AVR 8-bit RISC |
| Core Size | 8-Bit | 8-Bit |
| Max Clock Speed | 20 MHz | — |
| Flash Memory | 16 KB (8K x 16) | 16 KB (8K x 16) |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 23 | — |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels (PDIP) | 6 | — |
| Communication Interfaces | USART, SPI, I2C (TWI) | USART, SPI, I2C (TWI) |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Package | 28-PDIP (0.300 inch, 7.62 mm) | 28-PDIP (0.300 inch, 7.62 mm) |
| Mounting Type | Through Hole | Through Hole |
| Instruction Set | 133 instructions, most single-cycle | — |
| Working Registers | 32 x 8-bit | — |
| Debug Interface | debugWIRE | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (GREEN) |
| Maximum Clock Frequency | — | 20 MHz |
| Number of I/O | — | 23 |
| ADC Channels | — | 8 (6 on PDIP package) |
| Timers/Counters | — | 3 (two 8-bit, one 16-bit) |
| Instructions | — | 133, most single-cycle |
| Programmability | — | ISP (In-System Programmable), debugWIRE |
| Lifecycle Status | — | Active (newer device ATMEGA168PA available) |
| MSL Rating | — | [DATA_NEEDED: MSL level] |