These devices are transistor-transistor logic 4-wide 2-input AND-OR-NOT gates in the FJ series of integrated circuits. The FJH181 corresponds to ’74 Series’ type 7454N, the FJH186 corresponds to ’64 Series’ type 6454N.
Manufactured: 1974 week 3
These devices are transistor-transistor logic 4-wide 2-input AND-OR-NOT gates in the FJ series of integrated circuits. The FJH181 corresponds to ’74 Series’ type 7454N, the FJH186 corresponds to ’64 Series’ type 6454N.
Manufactured: 1974 week 3