Base Part	Short Description
SN74LS00	Quad 2-Input NAND Gate
SN74LS02	Quad 2-Input NOR Gate
SN74LS04	Hex Inverter
SN74LS05	Hex Inverter O/C
SN74LS08	Quad 2-Input AND Gate
SN74LS10	Triple 3-Input NAND Gate
SN74LS109A	Dual Positive Edge-Trigger J-K Flip-Flop
SN74LS122	Reset Trigger Monostable Multivibrator
SN74LS123	RE Trigger Monostable Multivibrator
SN74LS125A	Quad 3-State Buffers
SN74LS126A	Quad 3-State Buffers
SN74LS132	Quad 2-Input Schmitt Trigger NAND
SN74LS138	1-of-8 Decoder/Demultiplexer
SN74LS139	Dual 1-of-4 Decoder/Demultiplexer
SN74LS14	Hex Inverter Schmitt Trigger
SN74LS145	1-of-10 DEC/Driver O/C
SN74LS147	10-4 and 8-3 Encoder
SN74LS148	10-4 and 8-3 Encoder
SN74LS151	8-Input Multiplexer
SN74LS153	Dual 4 Input Multiplexer
SN74LS156	Dual 1/4 DEC/Demultiplexer
SN74LS157	Quad Multiplexer
SN74LS161A	BCD DEC/4 Bit Binary Counter
SN74LS162A	BCD DEC/4 Bit Binary Counter
SN74LS163A	BCD DEC/4 Bit Binary Counter
SN74LS164	Serial-In Parallel-Out Shift Register
SN74LS165	8-Bit Parallel/Serial Converter
SN74LS166	8-Bit Shift Registers
SN74LS169	Counter
SN74LS174	Hex Flip-Flop with Clear
SN74LS175	Quad D-Type Flip-Flop with Clear
SN74LS193	4-Bit Binary Up/Down Counter
SN74LS194A	4-Bit Bidirectional Universal Shift Register
SN74LS195A	Universal 4-Bit Shift Register
SN74LS221	Dual Monostable Multivibrator
SN74LS240	Octal Buffer/Line Driver
SN74LS244	Octal Buffer/Line Driver
SN74LS245	Octal Bus Transceiver
SN74LS247	BCD To 7 Segment DEC/Driver
SN74LS251	8-Input Multiplexer with 3-State Output
SN74LS253	DL 4-Input Multiplexer with 3-State Output
SN74LS257B	Quad 2-Input Multiplexer with 3-State Output
SN74LS258B	Quad 2-Input Multiplexer with 3-State Output
SN74LS259	8-Bit Adder Latch
SN74LS260	Dual 5-Input NOR Gate
SN74LS273	8-Bit Register with Clear
SN74LS280	9-Bit Output Enable Parity Generator/Checker
SN74LS283	4-Bit Binary Full Adder
SN74LS290	Decade Counter
SN74LS293	4-Bit Binary Counter
SN74LS298	Quad 2-Input Multiplexer with Storage
SN74LS299	8-Bit Shift/Storage Register
SN74LS30	8-Input NAND Gate
SN74LS32	Quad 2-Input OR Gate
SN74LS365A	3-State Hex Buffers
SN74LS367A	3-State Hex Buffers
SN74LS368A	3-State Hex Buffers
SN74LS373	Octal Transparent Latch
SN74LS374	Octal D-Type Flip-Flop 3-State
SN74LS377	Octal D-Type Flip-Flop with Enable
SN74LS38	Quad 2-Input NAND Buffer
SN74LS393	Dual 4-State Binary Counter
SN74LS42	1-of-10 Decoder
SN74LS47	BCD-7 Segment Decoder/Driver
SN74LS541	Octal Buffer/Line Driver
SN74LS640	Octal Bus Transceivers
SN74LS641	Octal Bus Transceivers
SN74LS642	Octal Bus Transceivers
SN74LS645	Octal Bus Transceivers
SN74LS669	4-Bit Binary Counter
SN74LS670	4X4 Register File with 3-State Output
SN74LS682	8-Bit Magnitude Comparators
SN74LS684	8-Bit Magnitude Comparators
SN74LS688	8-Bit Magnitude Comparators
SN74LS748	10-4 and 8-3 Encoder
SN74LS74A	Dual D-Type Positive Edge Flip-Flop
SN74LS76A	Dual J-K Flip-Flop with Set & Clear
SN74LS85	4-Bit Magnitude Comparator
SN74LS86	Quad 2-Input XOR
SN74LS90	Decade Counter
SN74LS93	4-Bit BinaryCounter