MM74HC4050M Logic IC - SO16 - National Semiconductor - NSC

MM74HCT257N Logic IC - DIP16 - National Semiconductor - NSC

MM74HC04M Logic IC - SOP - National Semiconductor - NSC

MM74HC373N Logic IC - DIP20 - National Semiconductor - NSC

MM74HC221AN Logic IC - DIP - National Semiconductor - NSC

MM74HCT04M Logic IC - SO - National Semiconductor - NSC

DM74LS374WM-SMD Logic IC - SOP20 - National Semiconductor - NSC

MM74HC574WM Logic IC - SOP20 - National Semiconductor - NSC