27C128-20IL Integrated Circuit - DIP28 - Generic Make

AT27C512R70PI Integrated Circuit - DIP28 - Atmel

M5M27C512AK15 Integrated Circuit - DIP28 - Generic Make

LC23C58 Integrated Circuit - DIP28 - Generic Make

M27C256B12B1 Integrated Circuit - DIP28 - ST Microelectronics - STM

27C256-12 Integrated Circuit - DIP28 - Texas Instruments

MBM27C128-25 Integrated Circuit - DIP28 - Generic Make

27C256-20FA Integrated Circuit - DIP28 - Generic Make