SN74AS244N
20PIN DIP - The 74AS244 is a logic IC, specifically an 8-bit bus driver/receiver, according to eBay. It's a member of the 7400 series of integrated circuits, known for its use as an octal 3-state buffer
FROG24GK
20PIN DIP - The 74AS244 is a logic IC, specifically an 8-bit bus driver/receiver, according to eBay. It's a member of the 7400 series of integrated circuits, known for its use as an octal 3-state buffer