ATMEGA168-20PU vs ATMEGA168PA-PU Comparison
Detailed side-by-side comparison of ATMEGA168-20PU by Microchip Technology and ATMEGA168PA-PU 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
ATMEGA168PA-PU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA168PA-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168-20PU | ATMEGA168PA-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.78 | $1.86 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-Bit | — |
| Max Clock Speed | 20 MHz | — |
| Flash Memory | 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 | — |
| ADC Channels (PDIP) | 6 | — |
| Communication Interfaces | USART, SPI, I2C (TWI) | USART, SPI, Two-Wire (I2C) |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Package | 28-PDIP (0.300 inch, 7.62 mm) | 28-PDIP (0.300 in, 7.62 mm), through-hole |
| Mounting Type | Through Hole | Through Hole |
| Instruction Set | 133 instructions, most single-cycle | — |
| Working Registers | 32 x 8-bit | 32 |
| Debug Interface | debugWIRE | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 16 KB (8K x 16) |
| Maximum Clock Frequency | — | 20 MHz |
| General Purpose I/O Lines | — | 23 |
| Instructions | — | 133, most single-cycle |
| Timers/Counters | — | 3 (with compare and PWM modes) |
| ADC | — | 10-bit, 6 channels |
| Packaging | — | Tube |
| Special Features | — | picoPower, brown-out detect, POR, watchdog, ISP, read-while-write |
| Life Cycle Stage | — | Active |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |