Atmel Semiconductor AT27C256R-45PU EPROM, OTP, 256K-Bit, 32K x 8, 45ns, 28- Pin, PDIP, 15.49 mm W x 4.2 mm H x 37.85 mm L (Pack of 2): Amazon.com: Industrial & Scientific
Atmel Attiny85 8 Pin Dip Ic - Pack Of 5 - Connectors - AliExpress
Extended list of 8-bit AVR Micro-Controllers, easily programmable with the Arduino IDE – Wolf Paulus
ATMEL AT24C04-10PC-2.7 Serial EEPROM, 512 x 8, 8 Pin DIP IC - LOT OF 5 IC'S | eBay
ATmega8-16PU Atmel AVR 8-bit Microcontroller | DIY Chris
Atmel 24C16A / 24C16 8 Pin DIL / DIP 16K Serial EEPROM 5060239763485 | eBay
ATMEL 4508021B 8-Pin SMD Integrated Circuit New Lot Quantity-1 | eBay