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

27C32-20 Semiconductor - Standard Case - Generic Make

27C64SF-20 Semiconductor - Standard Case - Generic Make

M27C801-100F1 Semiconductor - DIP32M - ST Microelectronics - STM

27C256-15FA Integrated Circuit - DIP28 - Generic Make

S27C210-20FA SemiConductor - DIP40 - Signetics

NM27C010Q-150 SemiConductor - DIP - National Semiconductor - NSC

TLC27L4C-SMD Semiconductor - SMD - Generic Make