Online electronic circuit diagram editor

Components
NameShort descriptionPackages
74LS00Quad 2-input NAND gatePDIP-14
74LS01Quad 2-Input NAND gate with open-collector outputPDIP-14
74LS02Quad 2-input NOR gatePDIP-14
74LS03Quad 2-input NAND gate with open-collector outputPDIP-14
74LS04Hex inverter gatePDIP-14
74LS05Hex inverter gate with open-collector outputPDIP-14
74LS06Hex inverter gate with open-collector outputPDIP-14
74LS07Hex buffer gate with high voltage open-collector outputPDIP-14
74LS08Quad 2-input AND gatePDIP-14
74LS09Quad 2-input AND gate with open-collector outputPDIP-14
74LS10Triple 3-input NAND gatePDIP-14
74LS11Triple 3-input AND gatePDIP-14
74LS12Triple 3-input NAND gate with open-collector outputPDIP-14
74LS13Dual 4-input NAND Schmitt triggersPDIP-14
74LS14Hex Schmitt-Trigger InvertersPDIP-14
74LS15Triple 3-input AND gate with open-collector outputPDIP-14
74LS16Hex inverter gate with high voltage open-collector outputPDIP-14
74LS17Hex buffer gate with open-collector outputPDIP-14
74LS18Dual 4-input NAND Schmitt triggers with totem-pole outputsPDIP-14
74LS19Hex Schmitt-Trigger Inverters with totem-pole outputsPDIP-14
74LS20Dual 4-input NAND gatePDIP-14
74LS21Dual 4-input AND gatePDIP-14
74LS22Dual 4-input NAND gate with open-collector outputPDIP-14
74LS24Quad 2-input NAND Schmitt triggers with totem-pole outputsPDIP-14
74LS26Quad 2-input NAND gate with hight-voltage open-collector outputsPDIP-14
74LS27Triple 3-input NOR gatePDIP-14
74LS28Quad 2-input NOR bufferPDIP-14
74LS30Single 8-input NAND gatePDIP-14
74LS31Hex delay elementsPDIP-16
74LS32Quad 2-input OR gatePDIP-14
74LS33Quad 2-input NOR buffer with open-collector outputPDIP-14
74LS37Quad 2-input NAND buffersPDIP-14
74LS38Quad 2-input NAND buffer with open-collector outputPDIP-14
74LS40Dual 4-input NAND bufferPDIP-14
74LS42BCD to decimal decoderPDIP-16
74LS47BCD to 7-segment decoder/driver with open-collector active-low outputsPDIP-16
74LS48BCD to 7-segment decoder with internal pull-up resistorsPDIP-16
74LS49BCD to 7-segment decoder with open collector outputsPDIP-14
74LS513-3-input AND-OR-Invert gate and 2-2-input AND-OR-Invert gatePDIP-14
74LS543-3-2-2-input AND-OR-Invert gatePDIP-14
74LS554-4-input AND-OR-Invert gatePDIP-14
74LS5650:1 frequency dividerPDIP-8
74LS5760:1 frequency dividerPDIP-8
74LS63Hex current-sensing interface gates with totem pole outputsPDIP-14
74LS68Dual 4-bit decate counterPDIP-16
74LS69Dual 4-bit binary counterPDIP-16
74LS73Dual J-K flip-flops with clearPDIP-14
74LS74Dual D-type positive-edge-triggered flip flops with preset and clearPDIP-14
74LS754-bit bistable latch with complementary outputsPDIP-16
74LS76Dual J-K flip-flop with preset and clearPDIP-16
74LS774-bit bistable latchesPDIP-14
74LS78Dual J-K flip-flop with preset, common clock, and common clearPDIP-14
74LS834-bit binary full adders with fast carryPDIP-16
74LS854-bit magnitude comparatorPDIP-16
74LS86Quadruple 2-input exclusive-OR gatesPDIP-14
74LS90Decade counterPDIP-14
74LS918-bit shift registerPDIP-14
74LS92Divide-by-twelve counterPDIP-14
74LS934-bit binary counterPDIP-14
74LS954-bit parallel-access shift registerPDIP-14
74LS965-bit shift register with parallel-in and parallel-outPDIP-16
74LS107Dual J-K flip-flops with clearPDIP-14
74LS109Dual J-K positive-edge-triggered flip-flop with preset and clearPDIP-16
74LS112Dual J-K negative-edge-triggered flip flop with preset and clearPDIP-16
74LS113Dual J-K negative-edge-triggered flip-flop with presetPDIP-14
74LS114Dual JK negative-edge-triggered flip-flops with preset, common clear and common clockPDIP-14
74LS122Retriggerable monostable multivibratorPDIP-14
74LS123Dual retriggerable monostable multivibratorPDIP-16
74LS125Quadruple bus buffers with 3-state outputsPDIP-14
74LS126Quadruple bus buffers with 3-state outputsPDIP-14
74LS132Quadruple 2-input positive-NAND Schmitt triggersPDIP-14
74LS136Quadruple 2-input Exclusive-OR gates with open collector outputsPDIP-14
74LS1373-line to 8-line decoder/demultiplexer with address latchPDIP-16
74LS1383-line to 8-line decoder/demultiplexerPDIP-16
74LS139Dual 2-line to 4-line decoder/demultiplexerPDIP-16
74LS145BCD-to-decimal decoder/driverPDIP-16
74LS14710-line to 4-line priority encoderPDIP-16
74LS1488-line to 3-line priority encoderPDIP-16
74LS1518-line to 1-line data selector/multiplexerPDIP-16
74LS153Dual 4-line to 1-line data selector/multiplexerPDIP-16
74LS155Dual 2-line to 4-line decoder/demultiplexerPDIP-16
74LS156Dual 2-line to 4-line decoder/demultiplexer with open collector outputsPDIP-16
74LS157Quadruple 2-line to 1-line data selector/multiplexerPDIP-16
74LS158Quadruple 2-line to 1-line data selector/multiplexer with inverse outputsPDIP-16
74LS160Synchronous 4-bit decade counter with asynchronous clearPDIP-16
74LS161Synchronous 4-bit binary counter with asynchronous clearPDIP-16
74LS162Synchronous 4-bit decade counter with synchronous clearPDIP-16
74LS163Synchronous 4-bit binary counter with synchronous clearPDIP-16
74LS1648-bit parallel-out serial shift registerPDIP-14
74LS165Parallel load 8-bit shift registerPDIP-16
74LS166Parallel load 8-bit shift register with clearPDIP-16
74LS168Synchronous 4-bit up/down decade counterPDIP-16
74LS169Synchronous 4-bit up/down binary counterPDIP-16
74LS1704-by-4 register file with open collector outputPDIP-16
74LS171Quadruple D-type Flip-Flop with clearPDIP-16
74LS1734-bit D-type register with 3-state outputsPDIP-16
74LS174Hex D-type Flip-Flops with clearPDIP-16
74LS175Quadruple D-type Flip-Flop with clearPDIP-16
74LS181Arithmetic logic units/function generatorPDIP-24
74LS183Dual carry-save full adderPDIP-14
74LS190Synchronous presettable up/down 4-bit decade counterPDIP-16
74LS191Synchronous presettable up/down 4-bit binary counterPDIP-16
74LS192Synchronous 4-bit up/down decade counter with dual clock and clearPDIP-16
74LS193Synchronous 4-bit up/down binary counter with dual clock and clearPDIP-16
74LS1944-bit bidirectional universal shift registerPDIP-16
74LS1954-bit parallel-access shift registerPDIP-16
74LS196Presettable 4-bit decade counter/latchPDIP-14
74LS197Presettable 4-bit binary counter/latchPDIP-14
74LS221Dual monostable multivibrator with Schmitt-trigger inputPDIP-16
74LS240Octal buffer and line driver with 3-state outputsPDIP-20
74LS241Octal buffer and line driver with 3-state outputsPDIP-20
74LS242Quadruple bus transceivers with inverting outputsPDIP-14
74LS243Quadruple bus transceiversPDIP-14
74LS244Octal buffer and line driver with 3-state outputsPDIP-20
74LS245Octal Bus Transceiver With 3-State OutputsPDIP-20SOP-20SSOP-20
74LS247BCD to seven-segment decoder/driverPDIP-16
74LS248BCD to seven-segment decoder/driverPDIP-16
74LS249BCD to seven-segment decoder/driverPDIP-16
74LS251Data selector/multiplexer with 3-state outputsPDIP-16
74LS253Dual 4-line to 1-line data selector/multiplexer with 3-state outputsPDIP-16
74LS257Quadruple 2-line to 1-line data selector/multiplexerPDIP-16
74LS258Quadruple 2-line to 1-line data selector/multiplexer with inverting outputsPDIP-16
74LS2598-bit addressable latchPDIP-16
74LS2612-bit by 4-bit parallel binary multiplierPDIP-16
74LS266Quadruple 2-input exclusive-NOR gates with open collector outputPDIP-14
74LS273Octal D-type flip-flop with clearPDIP-20
74LS279Quadruple S-R latchesPDIP-16
74LS2809-bit odd/even parity generator/checkerPDIP-14
74LS2834-bit binary full adder with fast carryPDIP-16
74LS290Decade counterPDIP-14
74LS292Programmable frequency divider and digital timerPDIP-16
74LS2934-bit binary counterPDIP-14
74LS294Programmable frequency divider and digital timerPDIP-16
74LS2954-bit right-shift left-shift registerPDIP-14
74LS297Digital phase-locked-loop filterPDIP-16
74LS298Quadruple 2-input multiplexers with storagePDIP-16
74LS2998-bit universal shift/storage registerPDIP-20
74LS320Crystal-controlled oscillatorPDIP-16
74LS321Crystal-controlled oscillator with f/2 and f/4 count-down outputsPDIP-16
74LS3228-bit shift register with sign extendPDIP-20
74LS3238-bit universal shift/storage registerPDIP-20
74LS347BCD-To-Seven-Segment decoder/driver with open-collector active-low outputsPDIP-16
74LS3488-line to 3-line priority encoder with 3-state outputsPDIP-16
74LS352Dual 4-line to 1-line data selector/multiplexerPDIP-16
74LS353Dual 4-line to 1-line data selector/multiplexer with 3-state outputsPDIP-16
74LS3548-line to 1-line data selector/multiplexer, transparent register with 3-state outputsPDIP-20
74LS3558-line to 1-line data selector/multiplexer, transparent register with open collector outputsPDIP-20
74LS3568-line to 1-line data selector/multiplexer, edge triggered register with 3-state outputsPDIP-20
74LS3578-line to 1-line data selector/multiplexer, edge triggered register with open collector outputsPDIP-20
74LS365Hex bus drivers with 3-state outputsPDIP-16
74LS366Hex bus drivers with inverted 3-state outputsPDIP-16
74LS367Hex bus drivers with 3-state outputsPDIP-16
74LS368Hex bus drivers with inverted 3-state outputsPDIP-16
74LS373Octal D-type transparent latch with 3-state outputsPDIP-20
74LS374Octal D-type edge triggered flip-flopPDIP-20
74LS3754-bit bistable latch with complementary outputsPDIP-16
74LS377Octal D-type flip flops with enablePDIP-20
74LS378Six D-type flip flops with enablePDIP-16
74LS379Quad D-type flip flops with enable and double-rail outputsPDIP-16
74LS381Arithmetic logic units/function generatorPDIP-20
74LS382Arithmetic logic units/function generatorPDIP-20
74LS3848-bit by 1-bit two's complement multiplierPDIP-16
74LS385Quadruple serial adder/substractorPDIP-20
74LS386Quadruple 2-input Exclusive-OR gatesPDIP-14
74LS390Dual 4-bit decade counterPDIP-16
74LS393Dual 4-bit binary counterPDIP-14
74LS3954-bit cascadable shift register with 3-state outputsPDIP-16
74LS396Octal storage registerPDIP-16
74LS398Quadruple 2-input multiplexers with storagePDIP-20
74LS399Quadruple 2-input multiplexers with storagePDIP-16
74LS422Retriggerable monostable multivibratorPDIP-14
74LS423Dual retriggerable monostable multivibratorPDIP-16
74LS440Quadruple tridirectional bus transceivers with open collector outputsPDIP-20
74LS441Quadruple tridirectional inverting bus transceivers with open collector outputsPDIP-20
74LS442Quadruple tridirectional bus transceivers with 3-state outputsPDIP-20
74LS443Quadruple tridirectional inverting bus transceivers with 3-state outputsPDIP-20
74LS444Quadruple tridirectional inverting and non-inverting bus transceiver with 3-state outputsPDIP-20
74LS445BCD-to-decimal decoder/driverPDIP-16
74LS446Quadruple inverting bus transceivers with individual direction control and 3-state outputsPDIP-16
74LS447BCD to 7-segment decoder/driverPDIP-16
74LS448Quadruple tridirectional inverting and non-inverting bus transceiver with open collector outputsPDIP-20
74LS449Quadruple bus transceivers with individual direction control and 3-state outputsPDIP-16
74LS462Fiber-optic data-link transmitterPDIP-20
74LS463Fiber-optic data-link receiverPDIP-20
74LS465Octal buffer with 3-state outputsPDIP-20
74LS466Octal inverting buffer with 3-state outputsPDIP-20
74LS467Two quadruple buffers with 3-state outputsPDIP-20
74LS468Two inverting quadruple buffers with 3-state outputsPDIP-20
74LS490Dual 4-bit decade counterPDIP-16
74LS540Octal inverting buffer and line driver with 3-state outputsPDIP-20
74LS541Octal buffer and line driver with 3-state outputsPDIP-20
74LS5898-bit shift register with input latch and 3-state outputPDIP-16
74LS5908-bit binary counters with output registers with 3-state outputsPDIP-16
74LS5918-bit binary counters with output registers with open collector outputsPDIP-16
74LS5928-bit binary counter with input registerPDIP-16
74LS5938-bit binary counter with input registerPDIP-20
74LS5948-bit shift register with output latchPDIP-16
74LS5958-bit shift register with output latch and 3-state outputsPDIP-16
74LS5968-bit shift register with output latch and open collector outputsPDIP-16
74LS5978-bit shift register with input latchPDIP-16
74LS5988-bit shift register with input latchPDIP-20
74LS5998-bit shift register with output latch and open collector outputsPDIP-16
74LS600Memory refresh controllerPDIP-20
74LS601Memory refresh controllerPDIP-20
74LS602Memory refresh controllerPDIP-20
74LS603Memory refresh controllerPDIP-20
74LS604Octal 2-input multiplexed latches with 3-state outputs
74LS605Octal 2-input multiplexed latches with open collector outputs
74LS606Octal 2-input multiplexed latches with 3-state outputs
74LS607Octal 2-input multiplexed latches with open collector outputs
74LS608Memory cycle controllerPDIP-16
74LS610Memory mapper with output latch and 3-state outputsPDIP-40
74LS611Memory mapper with output latch and open collector outputsPDIP-40
74LS612Memory mapper with 3-state outputsPDIP-40
74LS613Memory mapper with open collector outputsPDIP-40
74LS620Octal inverting bus transceiver with 3-state outputsPDIP-20
74LS621Octal bus transceiver with open collector outputsPDIP-20
74LS622Octal inverting bus transceiver with open collector outputsPDIP-20
74LS623Octal bus transceiver with 3-state outputsPDIP-20
74LS624Voltage controlled oscillatorPDIP-14
74LS625Dual voltage-controlled oscillatorPDIP-16
74LS626Dual voltage-controlled oscillatorPDIP-16
74LS627Dual voltage-controlled oscillatorPDIP-14
74LS628Voltage controlled oscillatorPDIP-14
74LS629Dual voltage-controlled oscillatorPDIP-16
74LS63016-bit parallel error detection and correction circuit
74LS63116-bit parallel error detection and correction circuit
74LS6368-bit parallel error detection and correction circuitPDIP-20
74LS6378-bit parallel error detection and correction circuitPDIP-20
74LS638Octal inverting bus transceiverPDIP-20
74LS639Octal bus transceiverPDIP-20
74LS640Octal inverting bus transceiver with 3-state outputsPDIP-20
74LS641Octal bus transceiver with open collector outputsPDIP-20
74LS642Octal inverting bus transceiver with open collector outputsPDIP-20
74LS643Octal inverting and non-inverting bus transceiver with 3-state outputsPDIP-20
74LS644Octal inverting and non-inverting bus transceiver with open collector outputsPDIP-20
74LS645Octal bus transceiver with 3-state outputsPDIP-20
74LS646Octal bus transceiver and register with 3-state outputs
74LS647Octal bus transceiver and register with open collector outputs
74LS648Octal inverting bus transceiver and register with 3-state outputs
74LS649Octal inverting bus transceiver and register with open collector outputs
74LS651Octal inverting bus transceiver and register with independent bus control and 3-state outputs
74LS652Octal bus transceiver and register with independent bus control and 3-state outputs
74LS653Octal inverting bus transceiver and register with independent bus control and open collector outputs
74LS654Octal bus transceiver and register with independent bus control and open collector outputs
74LS668Synchronous 4-bit up/down decade counterPDIP-16
74LS669Synchronous 4-bit up/down binary counterPDIP-16
74LS6704-by-4 register file with 3-state outputsPDIP-16
74LS6714-bit universal shift register/latch with 3-state outputsPDIP-20
74LS6724-bit universal shift register/latch with 3-state outputsPDIP-20
74LS67316-bit serial-in, serial/parallel-out shift register
74LS67416-bit parallel-in, serial-out shift register
74LS6814-bit parallel binary accumulatorPDIP-20
74LS6828-bit magnitude/identity comparatorPDIP-20
74LS6838-bit magnitude/identity comparator with open collector outputsPDIP-20
74LS6848-bit magnitude/identity comparatorPDIP-20
74LS6858-bit magnitude/identity comparator with open collector outputsPDIP-20
74LS6868-bit magnitude/identity comparator
74LS6878-bit magnitude/identity comparator with open collector outputs
74LS6888-bit magnitude/identity comparatorPDIP-20
74LS6898-bit magnitude/identity comparator with open collector outputsPDIP-20
74LS690Synchronous decade counter with output register and multiplexed 3-state outputsPDIP-20
74LS691Synchronous binary counter with output register and multiplexed 3-state outputsPDIP-20
74LS692Synchronous decade counter with output register and multiplexed 3-state outputsPDIP-20
74LS693Synchronous binary counter with output register and multiplexed 3-state outputsPDIP-20
74LS696Synchronous decade up/down counter with output register and multiplexed 3-state outputsPDIP-20
74LS697Synchronous binary up/down counter with output register and multiplexed 3-state outputsPDIP-20
74LS698Synchronous decade up/down counter with output register and multiplexed 3-state outputsPDIP-20
74LS699Synchronous binary up/down counter with output register and multiplexed 3-state outputsPDIP-20
74LS716Programmable decade counterPDIP-16
74LS718Programmable binary counterPDIP-16
74LS724Voltage controlled oscillatorPDIP-8
74LS7488-line to 3-line priority encoderPDIP-16
74LS783Synchronous Address MultiplexerPDIP-40
74LS785Synchronous Address MultiplexerPDIP-40
74LS795Octal buffer with 3-state outputsPDIP-20
74LS796Octal inverting buffer with 3-state outputsPDIP-20
74LS797Octal buffer with 3-state outputsPDIP-20
74LS798Octal inverting buffer with 3-state outputsPDIP-20
74LS8488-line to 3-line priority encoder with 3-state outputsPDIP-16
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