DM74174N = SN74174N = 74174PC

COUNTER,UP,4-BIT BINARY,STD-TTL,DIP-14PIN DIP-14

Fairchild + National Semiconductor

IC TTL HEX Buffer/Driver Non-Inverting Open Collector DIP-14 Obsolete

National Semiconductor · 25/TUBE

IC TTL QUAD D-TYPE F-F 3-ST W/CLEAR DIP-16

National Semiconductor + Signetics · 25/Tube

IC TTL QUAD D FLIP-FLOP W/CLEAR DIP-16 obsolete

National Semiconductor · 25/tube

IC Decade Up Counter DIP-14 Obsolete

Texas Instruments · 25/TUBE