7400 TTL 2 Input four and not gate7401 TTL collector open 2 input four and not gate7402 TTL 2 Input four or NOT gate7403 TTL open collector 2 Input four and not gate7404 TTL six inverter7405 TTL collector open six inverter7406 TTL collector open six reverse high voltage driver7407 TTL open collector six positive phase high voltage driver7408 TTL 2 Input four and door7409 TTL collector open 2 input four and gate7410 TTL 3 Input 3 and NOT gate74107 TTL indicates that the dual-J-K flip-flop is cleared74109 TTL with preset clear positive triggers double J-K triggers7411 TTL 3 Input end 3 and gate74112 TTL with preset clear negative trigger double J-K trigger7412 TTL open output 3 Input three-and-not gate74121 TTL monostable multivibrator74122 TTL retrigger monostable multivibrator74123 TTL double retrigger monostable multivibrator74125 TTL tri-state output High effective four-bus buffer gate74126 TTL tri-state output low effective four-bus buffer gate7413 TTL 4 Input dual and non-Schmidt trigger74132 TTL 2 Input side four and non-Schmidt trigger74133 TTL 13 Input and not gates74136 TTL four XOR gate74138 TTL 3-8 line decoder\/repeater74139 TTL dual 2-4 line decoder\/repeater7414 TTL six inverted Schmidt flip-flop74145 TTL BCD - decimal decode\/drive7415 TTL open output 3 Input three and gate74150 TTL 16 Select 1 Data select\/Multiplex switch74151 TTL 8 Select 1 Data selector74153 TTL double 4 option 1 data selector74154 TTL 4-16-wire decoder74155 TTL Totem pole output decoder\/distributor74156 TTL open output decoder\/distributor74157 TTL in-phase output four 2 select 1 data selector
74ls166 is an 8-bit shift register that can input data in serial while output data in parallel. It can be used for data input and output in digital electronic systems, such as keyboard scanning, LED display and nixie drive applications. The chip has the advantages of high speed, low power consumption, stability and reliability, and is widely used in various digital circuits.