ATMEGA168P-20PU vs ATMEGA168PA-PU Comparison

Detailed side-by-side comparison of ATMEGA168P-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
ATMEGA168P-20PU ATMEGA168P-20PU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip

ATMEGA168P-20PU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip

ATMEGA168P-20PU ✓ Active
Microchip Technology
ATMEGA168PA-PU ATMEGA168PA-PU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip

ATMEGA168PA-PU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip

ATMEGA168PA-PU ✓ Active

Specification Comparison

Parameter ATMEGA168P-20PU ATMEGA168PA-PU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.05 $1.86
Core Processor AVR 8-bit RISC —
Core Size 8-Bit —
Maximum Clock Frequency 20 MHz 20 MHz
Flash Memory 16 KB (8K x 16) —
SRAM 1 KB 1 KB
EEPROM 512 B 512 B
Supply Voltage Range 2.7 V to 5.5 V 2.7 V to 5.5 V
Number of I/O 23 —
ADC Resolution 10-bit —
ADC Channels 8 (6 on PDIP package) —
Timers/Counters 3 (two 8-bit, one 16-bit) 3 (with compare and PWM modes)
Communication Interfaces USART, SPI, I2C (TWI) USART, SPI, Two-Wire (I2C)
Instructions 133, most single-cycle 133, most single-cycle
Operating Temperature -40C to +85C (industrial) —
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
Programmability ISP (In-System Programmable), debugWIRE —
RoHS Status Compliant (GREEN) [DATA_NEEDED: RoHS status]
Lifecycle Status Active (newer device ATMEGA168PA available) —
MSL Rating [DATA_NEEDED: MSL level] —
Core Architecture — 8-bit AVR RISC
Flash Program Memory — 16 KB (8K x 16)
General Purpose I/O Lines — 23
Working Registers — 32
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]

Datasheets & Resources

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