ATMEGA168-15AT vs ATMEGA328P-AU Comparison

Detailed side-by-side comparison of ATMEGA168-15AT by Microchip Technology and ATMEGA328P-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
ATMEGA168-15AT ATMEGA168-15AT - 8-bit AVR MCU 16MHz 16KB Flash | Microchip

ATMEGA168-15AT - 8-bit AVR MCU 16MHz 16KB Flash | Microchip

ATMEGA168-15AT ✓ Active
Microchip Technology
ATMEGA328P-AU ATMEGA328P-AU - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip

ATMEGA328P-AU - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip

ATMEGA328P-AU ✓ Active

Specification Comparison

Parameter ATMEGA168-15AT ATMEGA328P-AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core AVR 8-bit RISC —
Core Size 8-bit —
Maximum Clock Frequency 16 MHz —
Program Memory Size 16 KB (8K x 16) FLASH —
Program Memory Type ISP FLASH (read-while-write) —
EEPROM Size 512 B —
SRAM Size 1 KB —
Number of I/O 23 general purpose I/O lines —
Working Registers 32 general purpose —
Supply Voltage Range 2.7 V to 5.5 V —
Package 32-TQFP (7x7 mm) TQFP-32 (7x7 mm, 0.8 mm pitch)
Mounting Type Surface Mount Surface Mount
Qualification AEC-Q100 (Automotive) —
Series AVR ATmega, Automotive —
Interfaces USART, SPI, I2C (TWI) —
Timers 3 (two 8-bit, one 16-bit) 2 x 8-bit, 1 x 16-bit
Operating Temperature [DATA_NEEDED: operating temperature range] -40 C to +85 C
Core Architecture — AVR 8-bit RISC
CPU Speed — 20 MHz
Instruction Throughput — 20 MIPS
Flash Memory — 32 KB (16K x 16)
SRAM — 2 KB
EEPROM — 1 KB
Operating Voltage — 1.8 V to 5.5 V
I/O Pins — 23
PWM Channels — 6
ADC — 8-channel 10-bit
Serial Interfaces — USART, SPI, I2C (TWI)
MSL Level — [DATA_NEEDED: MSL level]
RoHS Status — Compliant

Datasheets & Resources

Browse All Products Create BOM Request Quote