PT2272M6 Semiconductor - DIP18 - Princeton Technology

PT2262 Integrated Circuit - DIP18 - Princeton Technology

LT1039CJ Integrated Circuit - DIP18 - Linear Technology

PIC16F628-04PR Integrated Circuit - DIP18 - Microchip Technology

MT4067-10 Integrated Circuit - DIP18 - Micron Technology

PIC16CE625-04P Integrated Circuit - DIP18 - Microchip Technology

N82S185AN Integrated Circuit - DIP18 - Generic Make

AN6412 Integrated Circuit - DIP18 - Matsushita Electronics