74LS00 Quad 2 input NAND gate 74LS01 Quad 2 input NAND gate (OC) 74LS02 Quad 2 input NOR gate 74LS03 Quad 2 input NAND gate 74LS04 Hex Inverter 74LS05 Hex Inverter (OC) 74LS06 Hex Inverter buffer/driver 74LS08 Quad 2 input AND 74LS09 Quad 2 input AND gate (OC) 74LS10 Triple 3 input NAND gate 74LS11 Triple 3 input AND gate 74LS12 Triple 3 input NAND gate (OC) 74LS13 Dual 4-input NAND gate Schmitt trigger 74LS14 Hex Inverter Schmitt trigger 74LS16 Hex Inverter (OC) 74LS15 Triple 3 input AND gate (OC) 74LS20 Dual 4 input NAND gate 74LS21 Dual 4 input AND gate 74LS22 Dual 4 input NAND gate (OC) 7425 Dual 4 input NOR gate with strobe 74LS22 Dual 4 input NAND gate (OC) 7425 Dual 4 input NOR gate with strobe 74LS27 Triple 3 input NOR gate 74LS30 8 input NAND gate 74LS32 Quad 2 input OR gate 74LS38 Quad 2 input NAND gate Buffer 74LS42 BCD to DEC decoder 7445 BCD to DEC decoder 74LS47 BCD to 7 seg decoder/driver 74LS48 BCD to 7 seg decoder/driver 74LS51 AND/OR/INVERT gate 74LS54 AND/OR/INVERT gate 74F64 AND/OR/INVERT gate 7470 JK flip flop 7472 JK M/S flip flop 74LS73 Dual JK flip flop with clear 74LS74 Dual D-Type flip-flops with preset and clear 74LS75 4 bit bistable latch 74LS76 Dual JK flip-flops with preset and clear 74LS83 4 bit full adder 74LS85 4 bit magnitude comparator 74LS86 Quad 2 input XOR gate 74LS90 Decade counter 74LS91 8-bit shift register 74LS92 Divide by 12 counter 74LS93 Binary counter 74LS95 4 bit shift register 74LS107 Dual JK flip-flops with clear 74LS109 Dual JK pos edge trig flip flop 74LS112 Dual JK neg edge trig flip flop 74121 Monostable multivibrator 74LS122 Monostable multivibrator 74LS123 Monostable multivibrator 74LS125 Monostable multivibrator 74LS132 Quad 2 input NAND gate Schmitt trigger 74S133 13 input NAND 74LS136 Quad 2 input XOR (O.C) 74LS138 3-to-8 line decoder/demux 74LS139 Dual 1-of-4 decoder/demux 74LS147 10 line - 4 line octal priority encoder 74LS148 8 line - 3 line octal priority encoder 74150 Data selector/mux 74LS151 8 input MUX 74LS153 Dual 4-to-1 Multiplexer 74LS154 4-to16 decoder/demux 74LS155 Dual 2 line to 4 line decoder / demux 74LS156 Dual 2 line to 4 line decoder / demux (O.C) 74LS157 Quad 2 input MUX 74LS158 Quad 2 input MUX with invereted outputs 74LS160 BCD decade counter 74LS161 Synchronous 4 bit binary counter 74LS162 BCD decade counter counter 74LS163 Asynchronous 4 bit binary counter 74LS164 8 bit SIPO shift register 74LS165 8 bit PISO shift register 74LS166 8 bit PISO shift register 74LS174 Hex D type flip flop with clear 74LS175 Quad D type flip flop with clear 74176 Decade Counter 74177 Binary Counter 74LS191 4 bit binary up / down counter 74LS192 BCD up / down counter 74LS193 4 bit binary up / down counter 74LS195 4 bit shift register 74LS196 Presettable decade counter 74LS197 Presettable binary counter 74199 8-bit shift register 74LS221 Dual monostable multivibrator 74S225 16x5 FIFO memory 74LS240 Octal buffer/line driver 74LS241 Octal 3-state buffer 74LS244 Octal buffer/line driver 74LS245 Octal bus transceiver 74LS251 Data selector / MUX 74LS257 Quad 2 input mux 3-state 74LS259 8 bit addressable latch 74LS266 Quad 2 input XNOR (O.C) 74LS273 Octal D type flip flop with clear 74LS280 9 bit odd / even parity generator 74LS298 Quad 2 input MUX with storage 74LS299 8 bit universal shift register 74LS323 8-Bit Shift register 74LS367 Hex bus driver 74LS368 Hex bus driver with inverters 74LS373 Octal transparent latch 74LS374 Octal D type flip flop 3-state 74LS390 Dual 4 bit decade counter 74LS393 Dual 4 bit binary counter 74LS395 4 bit shift register 74LS540 Octal buffer 3-state 74LS541 Octal buffer 3-state outputs