Name | Short description | Packages |
74LS00 | Quad 2-input NAND gate | PDIP-14 |
74LS01 | Quad 2-Input NAND gate with open-collector output | PDIP-14 |
74LS02 | Quad 2-input NOR gate | PDIP-14 |
74LS03 | Quad 2-input NAND gate with open-collector output | PDIP-14 |
74LS04 | Hex inverter gate | PDIP-14 |
74LS05 | Hex inverter gate with open-collector output | PDIP-14 |
74LS06 | Hex inverter gate with open-collector output | PDIP-14 |
74LS07 | Hex buffer gate with high voltage open-collector output | PDIP-14 |
74LS08 | Quad 2-input AND gate | PDIP-14 |
74LS09 | Quad 2-input AND gate with open-collector output | PDIP-14 |
74LS10 | Triple 3-input NAND gate | PDIP-14 |
74LS11 | Triple 3-input AND gate | PDIP-14 |
74LS12 | Triple 3-input NAND gate with open-collector output | PDIP-14 |
74LS13 | Dual 4-input NAND Schmitt triggers | PDIP-14 |
74LS14 | Hex Schmitt-Trigger Inverters | PDIP-14 |
74LS15 | Triple 3-input AND gate with open-collector output | PDIP-14 |
74LS16 | Hex inverter gate with high voltage open-collector output | PDIP-14 |
74LS17 | Hex buffer gate with open-collector output | PDIP-14 |
74LS18 | Dual 4-input NAND Schmitt triggers with totem-pole outputs | PDIP-14 |
74LS19 | Hex Schmitt-Trigger Inverters with totem-pole outputs | PDIP-14 |
74LS20 | Dual 4-input NAND gate | PDIP-14 |
74LS21 | Dual 4-input AND gate | PDIP-14 |
74LS22 | Dual 4-input NAND gate with open-collector output | PDIP-14 |
74LS24 | Quad 2-input NAND Schmitt triggers with totem-pole outputs | PDIP-14 |
74LS26 | Quad 2-input NAND gate with hight-voltage open-collector outputs | PDIP-14 |
74LS27 | Triple 3-input NOR gate | PDIP-14 |
74LS28 | Quad 2-input NOR buffer | PDIP-14 |
74LS30 | Single 8-input NAND gate | PDIP-14 |
74LS31 | Hex delay elements | PDIP-16 |
74LS32 | Quad 2-input OR gate | PDIP-14 |
74LS33 | Quad 2-input NOR buffer with open-collector output | PDIP-14 |
74LS37 | Quad 2-input NAND buffers | PDIP-14 |
74LS38 | Quad 2-input NAND buffer with open-collector output | PDIP-14 |
74LS40 | Dual 4-input NAND buffer | PDIP-14 |
74LS42 | BCD to decimal decoder | PDIP-16 |
74LS47 | BCD to 7-segment decoder/driver with open-collector active-low outputs | PDIP-16 |
74LS48 | BCD to 7-segment decoder with internal pull-up resistors | PDIP-16 |
74LS49 | BCD to 7-segment decoder with open collector outputs | PDIP-14 |
74LS51 | 3-3-input AND-OR-Invert gate and 2-2-input AND-OR-Invert gate | PDIP-14 |
74LS54 | 3-3-2-2-input AND-OR-Invert gate | PDIP-14 |
74LS55 | 4-4-input AND-OR-Invert gate | PDIP-14 |
74LS56 | 50:1 frequency divider | PDIP-8 |
74LS57 | 60:1 frequency divider | PDIP-8 |
74LS63 | Hex current-sensing interface gates with totem pole outputs | PDIP-14 |
74LS68 | Dual 4-bit decate counter | PDIP-16 |
74LS69 | Dual 4-bit binary counter | PDIP-16 |
74LS73 | Dual J-K flip-flops with clear | PDIP-14 |
74LS74 | Dual D-type positive-edge-triggered flip flops with preset and clear | PDIP-14 |
74LS75 | 4-bit bistable latch with complementary outputs | PDIP-16 |
74LS76 | Dual J-K flip-flop with preset and clear | PDIP-16 |
74LS77 | 4-bit bistable latches | PDIP-14 |
74LS78 | Dual J-K flip-flop with preset, common clock, and common clear | PDIP-14 |
74LS83 | 4-bit binary full adders with fast carry | PDIP-16 |
74LS85 | 4-bit magnitude comparator | PDIP-16 |
74LS86 | Quadruple 2-input exclusive-OR gates | PDIP-14 |
74LS90 | Decade counter | PDIP-14 |
74LS91 | 8-bit shift register | PDIP-14 |
74LS92 | Divide-by-twelve counter | PDIP-14 |
74LS93 | 4-bit binary counter | PDIP-14 |
74LS95 | 4-bit parallel-access shift register | PDIP-14 |
74LS96 | 5-bit shift register with parallel-in and parallel-out | PDIP-16 |
74LS107 | Dual J-K flip-flops with clear | PDIP-14 |
74LS109 | Dual J-K positive-edge-triggered flip-flop with preset and clear | PDIP-16 |
74LS112 | Dual J-K negative-edge-triggered flip flop with preset and clear | PDIP-16 |
74LS113 | Dual J-K negative-edge-triggered flip-flop with preset | PDIP-14 |
74LS114 | Dual JK negative-edge-triggered flip-flops with preset, common clear and common clock | PDIP-14 |
74LS122 | Retriggerable monostable multivibrator | PDIP-14 |
74LS123 | Dual retriggerable monostable multivibrator | PDIP-16 |
74LS125 | Quadruple bus buffers with 3-state outputs | PDIP-14 |
74LS126 | Quadruple bus buffers with 3-state outputs | PDIP-14 |
74LS132 | Quadruple 2-input positive-NAND Schmitt triggers | PDIP-14 |
74LS136 | Quadruple 2-input Exclusive-OR gates with open collector outputs | PDIP-14 |
74LS137 | 3-line to 8-line decoder/demultiplexer with address latch | PDIP-16 |
74LS138 | 3-line to 8-line decoder/demultiplexer | PDIP-16 |
74LS139 | Dual 2-line to 4-line decoder/demultiplexer | PDIP-16 |
74LS145 | BCD-to-decimal decoder/driver | PDIP-16 |
74LS147 | 10-line to 4-line priority encoder | PDIP-16 |
74LS148 | 8-line to 3-line priority encoder | PDIP-16 |
74LS151 | 8-line to 1-line data selector/multiplexer | PDIP-16 |
74LS153 | Dual 4-line to 1-line data selector/multiplexer | PDIP-16 |
74LS155 | Dual 2-line to 4-line decoder/demultiplexer | PDIP-16 |
74LS156 | Dual 2-line to 4-line decoder/demultiplexer with open collector outputs | PDIP-16 |
74LS157 | Quadruple 2-line to 1-line data selector/multiplexer | PDIP-16 |
74LS158 | Quadruple 2-line to 1-line data selector/multiplexer with inverse outputs | PDIP-16 |
74LS160 | Synchronous 4-bit decade counter with asynchronous clear | PDIP-16 |
74LS161 | Synchronous 4-bit binary counter with asynchronous clear | PDIP-16 |
74LS162 | Synchronous 4-bit decade counter with synchronous clear | PDIP-16 |
74LS163 | Synchronous 4-bit binary counter with synchronous clear | PDIP-16 |
74LS164 | 8-bit parallel-out serial shift register | PDIP-14 |
74LS165 | Parallel load 8-bit shift register | PDIP-16 |
74LS166 | Parallel load 8-bit shift register with clear | PDIP-16 |
74LS168 | Synchronous 4-bit up/down decade counter | PDIP-16 |
74LS169 | Synchronous 4-bit up/down binary counter | PDIP-16 |
74LS170 | 4-by-4 register file with open collector output | PDIP-16 |
74LS171 | Quadruple D-type Flip-Flop with clear | PDIP-16 |
74LS173 | 4-bit D-type register with 3-state outputs | PDIP-16 |
74LS174 | Hex D-type Flip-Flops with clear | PDIP-16 |
74LS175 | Quadruple D-type Flip-Flop with clear | PDIP-16 |
74LS181 | Arithmetic logic units/function generator | PDIP-24 |
74LS183 | Dual carry-save full adder | PDIP-14 |
74LS190 | Synchronous presettable up/down 4-bit decade counter | PDIP-16 |
74LS191 | Synchronous presettable up/down 4-bit binary counter | PDIP-16 |
74LS192 | Synchronous 4-bit up/down decade counter with dual clock and clear | PDIP-16 |
74LS193 | Synchronous 4-bit up/down binary counter with dual clock and clear | PDIP-16 |
74LS194 | 4-bit bidirectional universal shift register | PDIP-16 |
74LS195 | 4-bit parallel-access shift register | PDIP-16 |
74LS196 | Presettable 4-bit decade counter/latch | PDIP-14 |
74LS197 | Presettable 4-bit binary counter/latch | PDIP-14 |
74LS221 | Dual monostable multivibrator with Schmitt-trigger input | PDIP-16 |
74LS240 | Octal buffer and line driver with 3-state outputs | PDIP-20 |
74LS241 | Octal buffer and line driver with 3-state outputs | PDIP-20 |
74LS242 | Quadruple bus transceivers with inverting outputs | PDIP-14 |
74LS243 | Quadruple bus transceivers | PDIP-14 |
74LS244 | Octal buffer and line driver with 3-state outputs | PDIP-20 |
74LS245 | Octal Bus Transceiver With 3-State Outputs | PDIP-20SOP-20SSOP-20 |
74LS247 | BCD to seven-segment decoder/driver | PDIP-16 |
74LS248 | BCD to seven-segment decoder/driver | PDIP-16 |
74LS249 | BCD to seven-segment decoder/driver | PDIP-16 |
74LS251 | Data selector/multiplexer with 3-state outputs | PDIP-16 |
74LS253 | Dual 4-line to 1-line data selector/multiplexer with 3-state outputs | PDIP-16 |
74LS257 | Quadruple 2-line to 1-line data selector/multiplexer | PDIP-16 |
74LS258 | Quadruple 2-line to 1-line data selector/multiplexer with inverting outputs | PDIP-16 |
74LS259 | 8-bit addressable latch | PDIP-16 |
74LS261 | 2-bit by 4-bit parallel binary multiplier | PDIP-16 |
74LS266 | Quadruple 2-input exclusive-NOR gates with open collector output | PDIP-14 |
74LS273 | Octal D-type flip-flop with clear | PDIP-20 |
74LS279 | Quadruple S-R latches | PDIP-16 |
74LS280 | 9-bit odd/even parity generator/checker | PDIP-14 |
74LS283 | 4-bit binary full adder with fast carry | PDIP-16 |
74LS290 | Decade counter | PDIP-14 |
74LS292 | Programmable frequency divider and digital timer | PDIP-16 |
74LS293 | 4-bit binary counter | PDIP-14 |
74LS294 | Programmable frequency divider and digital timer | PDIP-16 |
74LS295 | 4-bit right-shift left-shift register | PDIP-14 |
74LS297 | Digital phase-locked-loop filter | PDIP-16 |
74LS298 | Quadruple 2-input multiplexers with storage | PDIP-16 |
74LS299 | 8-bit universal shift/storage register | PDIP-20 |
74LS320 | Crystal-controlled oscillator | PDIP-16 |
74LS321 | Crystal-controlled oscillator with f/2 and f/4 count-down outputs | PDIP-16 |
74LS322 | 8-bit shift register with sign extend | PDIP-20 |
74LS323 | 8-bit universal shift/storage register | PDIP-20 |
74LS347 | BCD-To-Seven-Segment decoder/driver with open-collector active-low outputs | PDIP-16 |
74LS348 | 8-line to 3-line priority encoder with 3-state outputs | PDIP-16 |
74LS352 | Dual 4-line to 1-line data selector/multiplexer | PDIP-16 |
74LS353 | Dual 4-line to 1-line data selector/multiplexer with 3-state outputs | PDIP-16 |
74LS354 | 8-line to 1-line data selector/multiplexer, transparent register with 3-state outputs | PDIP-20 |
74LS355 | 8-line to 1-line data selector/multiplexer, transparent register with open collector outputs | PDIP-20 |
74LS356 | 8-line to 1-line data selector/multiplexer, edge triggered register with 3-state outputs | PDIP-20 |
74LS357 | 8-line to 1-line data selector/multiplexer, edge triggered register with open collector outputs | PDIP-20 |
74LS365 | Hex bus drivers with 3-state outputs | PDIP-16 |
74LS366 | Hex bus drivers with inverted 3-state outputs | PDIP-16 |
74LS367 | Hex bus drivers with 3-state outputs | PDIP-16 |
74LS368 | Hex bus drivers with inverted 3-state outputs | PDIP-16 |
74LS373 | Octal D-type transparent latch with 3-state outputs | PDIP-20 |
74LS374 | Octal D-type edge triggered flip-flop | PDIP-20 |
74LS375 | 4-bit bistable latch with complementary outputs | PDIP-16 |
74LS377 | Octal D-type flip flops with enable | PDIP-20 |
74LS378 | Six D-type flip flops with enable | PDIP-16 |
74LS379 | Quad D-type flip flops with enable and double-rail outputs | PDIP-16 |
74LS381 | Arithmetic logic units/function generator | PDIP-20 |
74LS382 | Arithmetic logic units/function generator | PDIP-20 |
74LS384 | 8-bit by 1-bit two's complement multiplier | PDIP-16 |
74LS385 | Quadruple serial adder/substractor | PDIP-20 |
74LS386 | Quadruple 2-input Exclusive-OR gates | PDIP-14 |
74LS390 | Dual 4-bit decade counter | PDIP-16 |
74LS393 | Dual 4-bit binary counter | PDIP-14 |
74LS395 | 4-bit cascadable shift register with 3-state outputs | PDIP-16 |
74LS396 | Octal storage register | PDIP-16 |
74LS398 | Quadruple 2-input multiplexers with storage | PDIP-20 |
74LS399 | Quadruple 2-input multiplexers with storage | PDIP-16 |
74LS422 | Retriggerable monostable multivibrator | PDIP-14 |
74LS423 | Dual retriggerable monostable multivibrator | PDIP-16 |
74LS440 | Quadruple tridirectional bus transceivers with open collector outputs | PDIP-20 |
74LS441 | Quadruple tridirectional inverting bus transceivers with open collector outputs | PDIP-20 |
74LS442 | Quadruple tridirectional bus transceivers with 3-state outputs | PDIP-20 |
74LS443 | Quadruple tridirectional inverting bus transceivers with 3-state outputs | PDIP-20 |
74LS444 | Quadruple tridirectional inverting and non-inverting bus transceiver with 3-state outputs | PDIP-20 |
74LS445 | BCD-to-decimal decoder/driver | PDIP-16 |
74LS446 | Quadruple inverting bus transceivers with individual direction control and 3-state outputs | PDIP-16 |
74LS447 | BCD to 7-segment decoder/driver | PDIP-16 |
74LS448 | Quadruple tridirectional inverting and non-inverting bus transceiver with open collector outputs | PDIP-20 |
74LS449 | Quadruple bus transceivers with individual direction control and 3-state outputs | PDIP-16 |
74LS462 | Fiber-optic data-link transmitter | PDIP-20 |
74LS463 | Fiber-optic data-link receiver | PDIP-20 |
74LS465 | Octal buffer with 3-state outputs | PDIP-20 |
74LS466 | Octal inverting buffer with 3-state outputs | PDIP-20 |
74LS467 | Two quadruple buffers with 3-state outputs | PDIP-20 |
74LS468 | Two inverting quadruple buffers with 3-state outputs | PDIP-20 |
74LS490 | Dual 4-bit decade counter | PDIP-16 |
74LS540 | Octal inverting buffer and line driver with 3-state outputs | PDIP-20 |
74LS541 | Octal buffer and line driver with 3-state outputs | PDIP-20 |
74LS589 | 8-bit shift register with input latch and 3-state output | PDIP-16 |
74LS590 | 8-bit binary counters with output registers with 3-state outputs | PDIP-16 |
74LS591 | 8-bit binary counters with output registers with open collector outputs | PDIP-16 |
74LS592 | 8-bit binary counter with input register | PDIP-16 |
74LS593 | 8-bit binary counter with input register | PDIP-20 |
74LS594 | 8-bit shift register with output latch | PDIP-16 |
74LS595 | 8-bit shift register with output latch and 3-state outputs | PDIP-16 |
74LS596 | 8-bit shift register with output latch and open collector outputs | PDIP-16 |
74LS597 | 8-bit shift register with input latch | PDIP-16 |
74LS598 | 8-bit shift register with input latch | PDIP-20 |
74LS599 | 8-bit shift register with output latch and open collector outputs | PDIP-16 |
74LS600 | Memory refresh controller | PDIP-20 |
74LS601 | Memory refresh controller | PDIP-20 |
74LS602 | Memory refresh controller | PDIP-20 |
74LS603 | Memory refresh controller | PDIP-20 |
74LS604 | Octal 2-input multiplexed latches with 3-state outputs | |
74LS605 | Octal 2-input multiplexed latches with open collector outputs | |
74LS606 | Octal 2-input multiplexed latches with 3-state outputs | |
74LS607 | Octal 2-input multiplexed latches with open collector outputs | |
74LS608 | Memory cycle controller | PDIP-16 |
74LS610 | Memory mapper with output latch and 3-state outputs | PDIP-40 |
74LS611 | Memory mapper with output latch and open collector outputs | PDIP-40 |
74LS612 | Memory mapper with 3-state outputs | PDIP-40 |
74LS613 | Memory mapper with open collector outputs | PDIP-40 |
74LS620 | Octal inverting bus transceiver with 3-state outputs | PDIP-20 |
74LS621 | Octal bus transceiver with open collector outputs | PDIP-20 |
74LS622 | Octal inverting bus transceiver with open collector outputs | PDIP-20 |
74LS623 | Octal bus transceiver with 3-state outputs | PDIP-20 |
74LS624 | Voltage controlled oscillator | PDIP-14 |
74LS625 | Dual voltage-controlled oscillator | PDIP-16 |
74LS626 | Dual voltage-controlled oscillator | PDIP-16 |
74LS627 | Dual voltage-controlled oscillator | PDIP-14 |
74LS628 | Voltage controlled oscillator | PDIP-14 |
74LS629 | Dual voltage-controlled oscillator | PDIP-16 |
74LS630 | 16-bit parallel error detection and correction circuit | |
74LS631 | 16-bit parallel error detection and correction circuit | |
74LS636 | 8-bit parallel error detection and correction circuit | PDIP-20 |
74LS637 | 8-bit parallel error detection and correction circuit | PDIP-20 |
74LS638 | Octal inverting bus transceiver | PDIP-20 |
74LS639 | Octal bus transceiver | PDIP-20 |
74LS640 | Octal inverting bus transceiver with 3-state outputs | PDIP-20 |
74LS641 | Octal bus transceiver with open collector outputs | PDIP-20 |
74LS642 | Octal inverting bus transceiver with open collector outputs | PDIP-20 |
74LS643 | Octal inverting and non-inverting bus transceiver with 3-state outputs | PDIP-20 |
74LS644 | Octal inverting and non-inverting bus transceiver with open collector outputs | PDIP-20 |
74LS645 | Octal bus transceiver with 3-state outputs | PDIP-20 |
74LS646 | Octal bus transceiver and register with 3-state outputs | |
74LS647 | Octal bus transceiver and register with open collector outputs | |
74LS648 | Octal inverting bus transceiver and register with 3-state outputs | |
74LS649 | Octal inverting bus transceiver and register with open collector outputs | |
74LS651 | Octal inverting bus transceiver and register with independent bus control and 3-state outputs | |
74LS652 | Octal bus transceiver and register with independent bus control and 3-state outputs | |
74LS653 | Octal inverting bus transceiver and register with independent bus control and open collector outputs | |
74LS654 | Octal bus transceiver and register with independent bus control and open collector outputs | |
74LS668 | Synchronous 4-bit up/down decade counter | PDIP-16 |
74LS669 | Synchronous 4-bit up/down binary counter | PDIP-16 |
74LS670 | 4-by-4 register file with 3-state outputs | PDIP-16 |
74LS671 | 4-bit universal shift register/latch with 3-state outputs | PDIP-20 |
74LS672 | 4-bit universal shift register/latch with 3-state outputs | PDIP-20 |
74LS673 | 16-bit serial-in, serial/parallel-out shift register | |
74LS674 | 16-bit parallel-in, serial-out shift register | |
74LS681 | 4-bit parallel binary accumulator | PDIP-20 |
74LS682 | 8-bit magnitude/identity comparator | PDIP-20 |
74LS683 | 8-bit magnitude/identity comparator with open collector outputs | PDIP-20 |
74LS684 | 8-bit magnitude/identity comparator | PDIP-20 |
74LS685 | 8-bit magnitude/identity comparator with open collector outputs | PDIP-20 |
74LS686 | 8-bit magnitude/identity comparator | |
74LS687 | 8-bit magnitude/identity comparator with open collector outputs | |
74LS688 | 8-bit magnitude/identity comparator | PDIP-20 |
74LS689 | 8-bit magnitude/identity comparator with open collector outputs | PDIP-20 |
74LS690 | Synchronous decade counter with output register and multiplexed 3-state outputs | PDIP-20 |
74LS691 | Synchronous binary counter with output register and multiplexed 3-state outputs | PDIP-20 |
74LS692 | Synchronous decade counter with output register and multiplexed 3-state outputs | PDIP-20 |
74LS693 | Synchronous binary counter with output register and multiplexed 3-state outputs | PDIP-20 |
74LS696 | Synchronous decade up/down counter with output register and multiplexed 3-state outputs | PDIP-20 |
74LS697 | Synchronous binary up/down counter with output register and multiplexed 3-state outputs | PDIP-20 |
74LS698 | Synchronous decade up/down counter with output register and multiplexed 3-state outputs | PDIP-20 |
74LS699 | Synchronous binary up/down counter with output register and multiplexed 3-state outputs | PDIP-20 |
74LS716 | Programmable decade counter | PDIP-16 |
74LS718 | Programmable binary counter | PDIP-16 |
74LS724 | Voltage controlled oscillator | PDIP-8 |
74LS748 | 8-line to 3-line priority encoder | PDIP-16 |
74LS783 | Synchronous Address Multiplexer | PDIP-40 |
74LS785 | Synchronous Address Multiplexer | PDIP-40 |
74LS795 | Octal buffer with 3-state outputs | PDIP-20 |
74LS796 | Octal inverting buffer with 3-state outputs | PDIP-20 |
74LS797 | Octal buffer with 3-state outputs | PDIP-20 |
74LS798 | Octal inverting buffer with 3-state outputs | PDIP-20 |
74LS848 | 8-line to 3-line priority encoder with 3-state outputs | PDIP-16 |