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74 series
NameShort descriptionPackages
74LS00Quad 2-input NAND gateDIP-14
74LS01Quad 2-Input NAND gate with open-collector outputDIP-14
74LS02Quad 2-input NOR gateDIP-14
74LS03Quad 2-input NAND gate with open-collector outputDIP-14
74LS04Hex inverter gateDIP-14
74LS05Hex inverter gate with open-collector outputDIP-14
74LS06Hex inverter gate with open-collector outputDIP-14
74LS07Hex buffer gate with high voltage open-collector outputDIP-14
74LS08Quad 2-input AND gateDIP-14
74LS09Quad 2-input AND gate with open-collector outputDIP-14
74LS10Triple 3-input NAND gateDIP-14
74LS11Triple 3-input AND gateDIP-14
74LS12Triple 3-input NAND gate with open-collector outputDIP-14
74LS13Dual 4-input NAND Schmitt triggersDIP-14
74LS14Hex Schmitt-Trigger InvertersDIP-14
74LS15Triple 3-input AND gate with open-collector outputDIP-14
74LS16Hex inverter gate with high voltage open-collector outputDIP-14
74LS17Hex buffer gate with open-collector outputDIP-14
74LS18Dual 4-input NAND Schmitt triggers with totem-pole outputsDIP-14
74LS19Hex Schmitt-Trigger Inverters with totem-pole outputsDIP-14
74LS20Dual 4-input NAND gateDIP-14
74LS21Dual 4-input AND gateDIP-14
74LS22Dual 4-input NAND gate with open-collector outputDIP-14
74LS24Quad 2-input NAND Schmitt triggers with totem-pole outputsDIP-14
74LS26Quad 2-input NAND gate with hight-voltage open-collector outputsDIP-14
74LS27Triple 3-input NOR gateDIP-14
74LS28Quad 2-input NOR bufferDIP-14
74LS30Single 8-input NAND gateDIP-14
74LS31Hex delay elementsDIP-16
74LS32Quad 2-input OR gateDIP-14
74LS33Quad 2-input NOR buffer with open-collector outputDIP-14
74LS37Quad 2-input NAND buffersDIP-14
74LS38Quad 2-input NAND buffer with open-collector outputDIP-14
74LS40Dual 4-input NAND bufferDIP-14
74LS42BCD to decimal decoderDIP-16
74LS47BCD to 7-segment decoder/driver with open-collector active-low outputsDIP-16
74LS48BCD to 7-segment decoder with internal pull-up resistorsDIP-16
74LS49BCD to 7-segment decoder with open collector outputsDIP-14
74LS513-3-input AND-OR-Invert gate and 2-2-input AND-OR-Invert gateDIP-14
74LS543-3-2-2-input AND-OR-Invert gateDIP-14
74LS554-4-input AND-OR-Invert gateDIP-14
74LS5650:1 frequency dividerDIP-8
74LS5760:1 frequency dividerDIP-8
74LS68Dual 4-bit decate counter
74LS69Dual 4-bit binary counter
74LS73Dual J-K flip-flops with clear
74LS74Dual D-type positive-edge-triggered flip flops with preset and clear
74LS754-bit bistable latch with complementary outputs
74LS76Dual J-K flip-flop with preset and clear
74LS774-bit bistable latches
74LS78Dual J-K flip-flop with preset, common clock, and common clear
74LS834-bit binary full adders with fast carry
74LS854-bit magnitude comparator
74LS86Quadruple 2-input exclusive-OR gates
74LS90Decade counter
74LS918-bit shift register
74LS92Divide-by-twelve counter
74LS934-bit binary counter
74LS954-bit parallel-access shift register
74LS965-bit shift register with parallel-in and parallel-out
74LS107Dual J-K flip-flops with clear
74LS109Dual J-K positive-edge-triggered flip-flop with preset and clear
74LS112Dual J-K negative-edge-triggered flip flop with preset and clear
74LS113Dual J-K negative-edge-triggered flip-flop with preset
74LS114Dual JK negative-edge-triggered flip-flops with preset, common clear and common clock
74LS122Retriggerable monostable multivibrator
74LS123Dual retriggerable monostable multivibrators
74LS125Quadruple bus buffers with 3-state outputs
74LS126Quadruple bus buffers with 3-state outputs
74LS132Quadruple 2-input positive-NAND Schmitt triggers
74LS136Quadruple 2-input Exclusive-OR gates with open collector outputs
74LS1373-line to 8-line decoder/demultiplexer with address latch
74LS1383-line to 8-line decoder/demultiplexer
74LS139Dual 2-line to 4-line decoder/demultiplexer
74LS145BCD-to-decimal decoder/driver
74LS14710-line to 4 line priority encoder
74LS1488-line to 3-line priority encoder
74LS1518-line to 1-line data selector/multiplexer
74LS153Dual 4-line to 1-line data selector/multiplexer
74LS155Dual 2-line to 4-line decoder/demultiplexer
74LS156Dual 2-line to 4-line decoder/demultiplexer with open collector outputs
74LS157Quadruple 2-line to 1-line data selector/multiplexer
74LS158Quadruple 2-line to 1-line data selector/multiplexer with inverse outputs
74LS160Synchronous 4-bit decade counter with asynchronous clear
74LS161Synchronous 4-bit binary counter with asynchronous clear
74LS162Synchronous 4-bit decade counter with synchronous clear
74LS163Synchronous 4-bit binary counter with synchronous clear
74LS1648-bit parallel-out serial shift register
74LS165Parallel load 8-bit shift register
74LS166Parallel load 8-bit shift register with clear
74LS168Synchronous 4-bit up/down decade counter
74LS169Synchronous 4-bit up/down binary counter
74LS1704-by-4 register file with open collector output
74LS171Quadruple D-type Flip-Flop with clear
74LS1734-bit D-type register with 3-state outputs
74LS174Hex D-type Flip-Flops with clear
74LS175Quadruple D-type Flip-Flop with clear
74LS181Arithmetic logic units/function generator
74LS182Look-ahead carry generator
74LS183Dual carry-save full adder
74LS190Synchronous presettable up/down 4-bit decade counter
74LS191Synchronous presettable up/down 4-bit binary counter
74LS192Synchronous 4-bit up/down decade counter with dual clock and clear
74LS193Synchronous 4-bit up/down binary counter with dual clock and clear
74LS1944-bit bidirectional universal shift register
74LS1954-bit parallel-access shift register
74LS196Presettable 4-bit decade counter/latch
74LS197Presettable 4-bit binary counter/latch
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