Logic Datasheets

74 series logic IC datasheets!

part # description
74LS00 Quad 2-Input NAND Gate
74LS01 Quad 2-Input NAND Gate; Open Collector Outputs
74LS02 Quad 2-Input NOR Gate
74LS03 Quad 2-Input NAND Gate; Open Collector Outputs
74LS04 Hex Inverter
74LS05 Hex Inverter; Open Collector Outputs
74LS06 Hex Inverter; Open Collector High Voltage Outputs
74LS07 Hex Buffer; Open Collector High Voltage Outputs
74LS08 Quad 2-Input AND Gate
74LS09 Quad 2-Input AND Gate; Open Collector Outputs
74LS10 Triple 3-Input NAND Gate
74LS11 Triple 3-Input AND Gate
74LS12 Triple 3-Input NAND Gate; Open Collector Outputs
74LS13 Dual 4-Input NAND Schmitt Triggers
74LS14 Hex Schmitt-Trigger Inverter
74LS15 Triple 3-Input AND Gate; Open Collector Outputs
74LS16 Hex Inverter; Open Collector 15V Outputs
74LS17 Hex Driver; Open Collector 15V Outputs
74LS19 NAND Schmitt Trigger; Totem Pole Output
74LS20 Dual 4-Input NAND Gate
74LS21 Dual 4-Input AND Gate; Open Collector Outputs
74LS22 Dual 4-Input NAND Gate; Open Collector Outputs
74LS23 2x Four input NOR with Strobe
74LS25 2x Four input NOR with Strobe
74LS26 Quad 2-Input NAND Gate; OC (15V)
74LS27 Triple 3-Input NOR Gate
74LS28 Quad 2-Input NOR Gates
74LS30 8-Input NAND Gate
74LS31 Delay Element
74LS32 Quad 2-Input OR Gate
74LS33 Quad 2-Input NOR Gate; Open Collector Outputs
74LS37 Quad 2-Input NAND Gates
74LS38 Quad 2-Input NAND Gates; Open Collector Outputs
74LS39 4x Two input NAND, Open collector
74LS40 Dual 4-Input NAND Gates
74LS42 BCD to DECIMAL Decoder
74LS45 Four-to-Ten (BCD to Decimal) DECODER, High current
74LS46 BCD to Seven-Segment DECODER, Open Collector, lamp test and leading zero handling
74LS47 BCD to 7-Segment Decoder; Open Collector Outputs (15V)
74LS48 BCD to 7-Seg Decoder; Outputs Active high
74LS49 BCD to 7-Seg Decoder-Outputs Active High
74LS50 2x (Two input AND) NOR (Two input AND), expandable
74LS51 Dual AND-OR-INVERT Gates
74LS53 NOR of Four Two input ANDs, expandable
74LS54 4-Wide AND-OR-INVERT Gate
74LS55 4-Wide; 2-Input AND-OR-INVERT Gate
74LS56 Frequency Divider
74LS57 Frequency Divider
74LS64 4-3-2-2 AND-OR-INVERT
74LS65 4-3-2-2 AND-OR-INVERT
74LS68 Dual 4-Bit Decade or Binary Counter
74LS69 Dual 4-Bit Decade or Binary Counter
74LS70 1x gated JK FLIPFLOP with preset and clear
74LS72 1x gated JK FLIPFLOP with preset and clear
74LS73 Dual J-K Flip-Flop
74LS74 Dual D-Type Flip-Flop
74LS75 Dual 2-Bit D-Type Flip-Flop
74LS76 Dual J-K Flip-Flop
74LS77 4-Bit D-Type Latch
74LS78 Dual J-K Flip-Flop
74LS83 4-Bit Full Adder
74LS85 4-Bit Comparator
74LS86 Quad Exclusive OR Gate
74LS90 Decade Counter
74LS91 8-Bit Shift Register
74LS92 Divide-By-12 Counter
74LS93 4-Bit Binary Counter
74LS94 Four bit SHIFT register
74LS95 4-Bit Shift Register with Parallel Inputs and Outputs
74LS96 5-Bit Shift Register with Parallel Inputs and Outputs
74LS107 Dual J-K Master Slave Flip-Flop
74LS109 Dual J-K Flip-Flop
74LS112 Dual J-K Flip-Flop with Preset and Clear
74LS113 Dual J-K Flip-Flop
74LS114 Dual J-K Flip-Flop
74LS116 2x Four bit LATCH with clear
74LS121 Monostable Multivibrator
74LS122 Retriggerable Monostable Multivibrator
74LS123 Retriggerable Monostable Multivibrator
74LS124 2x Clock Generator or Voltage Controlled Oscillator
74LS125 Quad Line Driver; 3-State Outputs
74LS126 Quad Line Driver; 3-State Outputs
74LS128 4x Two input NOR, Line driver
74LS130 Retriggerable Monostable Multivibrator
74LS132 Quad 2-Input NAND Schmitt Trigger
74LS133 13-Input NAND Gate
74LS134 Twelve input NAND, Tri-state
74LS135 4x Two input XOR (exclusive or)
74LS136 Quad 2-Input Exclusive OR Gates
74LS137 3-Line to 8-Line Demultiplexer with Address Latch
74LS138 3-Line to 8-Line Demultiplexer
74LS139 2-Line to 4-Line Decoder/Demultiplexer
74LS140 2x Four input NAND, 50 ohm Line Driver
74LS143 Four bit counter and latch with 7-segment LED driver
74LS145 BCD to Decimal Decoder/Driver
74LS147 10-Line to 4-Line Priority Encoder
74LS148 8-Line to 3-Line Priority Encoder
74LS150 16-1 SELECTOR (multiplexer)
74LS151 8-Line to 1-Line Multiplexer
74LS153 Dual 4-Line to 1-Line Multiplexer
74LS154 4-Bit Binary Decoder/Demultiplexer
74LS155 Dual 2-Bit Binary Decoders/Demultiplexer
74LS156 Dual 2-Bit Binary Decoders/Demultiplexer
74LS157 Quad 2-Line to 1-Line Multiplexer
74LS158 Quad 2-Line to 1-Line Multiplexer
74LS159 4-16 DECODER (demultiplexer), Open collector
74LS160 4-Bit Synchronous Programmable Counter
74LS161 4-Bit Synchronous Programmable Counter
74LS162 4-Bit Synchronous Programmable Counter
74LS163 4-Bit Synchronous Programmable Counter
74LS164 8-Bit Shift Register with Parallel Outputs
74LS165 8-Bit Shift Register with Parallel Inputs
74LS166 8-Bit Shift Register with Parallel Inputs
74LS168 Up/Down 4-Bit Synchronous Counter
74LS169 Up/Down 4-Bit Synchronous Counter
74LS170 16-Bit RAM; Open Collector Outputs
74LS173 4-Bit Quad D-Type Flip-Flops; 3-State Outputs
74LS174 Hex D-Type Flip-Flop
74LS175 Quad D-Type Flip-Flop
74LS180 Four bit parity checker
74LS181 4-bit Arithmetic Logic Unit
74LS182 Look Ahead Carry Generator
74LS183 Dual Carry-Save Full Adder
74LS190 Synchronous Up/Down Decade Counter
74LS191 Synchronous Up/Down 4-Bit Binary Counter
74LS192 Synchronous Up/Down Decade Counter
74LS193 Synchronous Up/Down 4-Bit Binary Counter
74LS194 4-Bit Bidirectional Shift Register
74LS195 4-Bit Parallel-Access Shift Register
74LS196 Programmable Decade Counter
74LS197 Programmable Decade Counter
74LS198 Eight bit parallel in and out bidirectional SHIFT register
74LS199 Eight bit parallel in and out bidirectional SHIFT register, JK serial input
74LS221 Dual Monostable Multivibrator; Schmitt-Trigger Input
74LS240 Octal Inverting Buffer/Transciever; 3-State Outputs
74LS241 Octal Buffer/Transciever; 3-State Outputs
74LS242 Quad 3-State Bus Transceiver
74LS243 4-Bit Bidirectional Bus Driver
74LS244 Octal 3-State Noninverting Buffer
74LS245 Octal 3-State Noninverting Bus Transceiver
74LS247 BCD to 7-Seg Decoder/Display Driver OC (15V)
74LS248 BCD to 7-Seg Decoder/Display Driver OC (15V)
74LS249 BCD to 7-Seg Decoder/Display Driver OC (15V)
74LS251 8-Line to 1-Line Multiplexer; 3-State Outputs
74LS253 Dual 4-Input Data Selecttor/Multiplexer 3-State
74LS256 Dual 4-Bit Addressable Latch
74LS257 Quad 2-Line to 1-Line Multiplexers; 3-State Outputs
74LS258 Quad 2-Line to 1-Line Multiplexers; 3-State Outputs
74LS259 8-Bit Adressable Latch
74LS260 Dual 5-Input NOR Gate
74LS266 Quad Exclusive NOR Gate
74LS269 8-BIT BIDIRECTIONAL BINARY COUNTER
74LS273 Octal D-Type Flip-Flop; Common Clock and Clear
74LS279 Quad SR-Flip-Flops
74LS280 9-Bit Parity checker
74LS283 4-Bit Full Adder
74LS290 4-Bit Decade/Binary Counter
74LS298 Quad 2-Line to 1-Line Multiplexers with Latch
74LS299 8-Bit Bidirectional Universal Shift Register
74LS322 8-Bit Sign-Extend Shift Register
74LS323 8-Bit Universal Shift Register with Latch
74LS348 8-Line to 3-Line Priority Encoder with 3-State Outputs
74LS352 Dual 4-Line to 1-Line Multiplexers
74LS353 Dual 4-Line to 1-Line Multiplexers with 3-State Outputs
74LS365 Hex Bus Line Drivers
74LS366 3-State Hex Line Driver
74LS367 Hex Bus Line Drivers
74LS368 Hex Inverting Bus Line Drivers
74LS373 Octal D-Type Latch
74LS374 Octal D-Type Flip-Flop
74LS375 Quad D-Type Latch
74LS377 Octal D-Type Flip-Flop
74LS378 Hex D-Type Flip-Flop
74LS379 Quad D-Type Flip-Flop
74LS386 Quad 2-Input Exclusive OR Gates
74LS390 Dual Decade Counters
74LS393 Dual Decade Counters
74LS395 4-Bit Shift Register with 3-State Outputs
74LS398 Quad 2-Input Register
74LS399 Quad 2-Input Register
74LS490 Dual Decade Counter
74LS521 8-BIT IDENTITY COMPARATOR
74LS533 Octal D-Type Transparent Latche
74LS534 Octal Invering D-Type Flip-Flop
74LS538 1-OF-8 DECODER WITH 3-STATE OUTPUTS
74LS540 8-Bit Inverting Line Driver
74LS541 OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
74LS543 OCTAL REGISTERED TRANSCEIVER, NON-INVERTING, 3-STATE
74LS544 OCTAL REGISTERED TRANSCEIVER, INVERTING, 3-STATE
74LS568 4-BIT BIDIRECTIONAL COUNTERS (WITH 3-STATE OUTPUTS)
74LS569 4-Bit Synchronous Counter
74LS574 8-Bit D-Type Flip-Flop/Bus Driver
74LS579 8-BIT BIDIRECTIONAL BINARY COUNTER (3-STATE)
74LS620 OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS (INVERTING AND NONINVERTING)
74LS623 Octal Bus Transcievers
74LS629 Voltage Controlled Oscilator
74LS640 Octal Bus Transciever
74LS646 Octal Bus Transciever
74LS648 Octal Bus Transciever/Register
74LS657 OCTAL BIDIRECTIONAL TRANSCEIVER WITH 8-BIT PARITY GENERATOR CHECKER (3-STATE OUTPUTS)
74LS669 4-Bit Synchronous Up/Down Counter
74LS670 4-By-4 Register File; 3-State Outputs
74LS682 8-Bit Magnitude/Identity Comparator
74LS684 8-Bit Magnitude Comparators
74LS688 8-Bit Magnitude Comparators
74LS748 8-Line to 3-Line Priority Encoder
74LS779 8-BIT BIDIRECTIONAL BINARY COUNTER (3-STATE)
74LS795 Octal Buffer with 3-State Outputs
74LS848 8-Line to 3-Line Priority Encoder with 3-State Outputs
74LS2245 25Ohm Octal Bidirectional Transceiver With 3-State Inputs and Outputs
74LS3893 QUAD FUTUREBUS BACKPLANE TRANSCEIVER (3 STATE + OPEN COLLECTOR)

 



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