Download 74-series IC data sheet index

74LS00	4x Two input NAND
74LS01	4x Two input NAND, Open collector
74LS02	4x Two input NOR
74LS03	4x Two input NAND, Open collector
74LS04	6x Inverter (NOT)
74LS05	6x Inverter (NOT), Open collector
74LS06	6x Inverter (NOT), High voltage Open collector
74LS07	6x Buffer (NO-OP), High voltage Open collector
74LS08	4x Two input AND
74LS09	4x Two inout AND, Open collector
74LS10	3x Three input NAND
74LS11	3x Three inout AND
74LS12	3x Three input NAND, Open collector
74LS13	2x Four input, Schmitt Trigger NAND
74LS14	6x Inverter (NOT), Schmitt Trigger
74LS15	3x Three input AND, Open collector
74LS16	6x Inverter (NOT), High voltage Open collector
74LS17N	6x Buffer (NO-OP), High voltage Open collector
74LS19	6x Inverter (NOT), Schmitt Trigger
74LS20	2x Four input NAND
74LS21	2x Four input AND
74LS22	2x Four input NAND, Open collector
7423	2x Four input NOR with Strobe
7425	2x Four input NOR with Strobe
74LS26	4x Two input NAND, High voltage
74LS27	3x Three input NOR
74LS28	4x Two input NOR
74LS30	Eight input NAND
74LS31	6x DELAY (6nS to 48nS)
74LS32	4x Two input OR
74LS33	4x Two input NOR, Open collector
74LS37	4x Two inout NAND
74LS38	4x Two input NAND, Open collector
74LS39	4x Two input NAND, Open collector
74LS40	4x Two input NAND, Open collector
74LS42	Four-to-Ten (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 Seven-Segment DECODER, Open Collector, lamp test and leading zero handling
74LS48	BCD to Seven-Segment DECODER, lamp test and leading zero handling
74LS49	BCD to Seven-Segment DECODER, Open collector
7450	2x (Two input AND) NOR (Two input AND), expandable
74LS51	(a AND b AND c) NOR (c AND e AND f) plus (g AND h) NOR (i AND j)
7453	NOR of Four Two input ANDs, expandable
74LS54	NOR of Four Two input ANDs
74LS55	NOR of Two Four input ANDs
74LS56P	3x Frequency divider, 5:1, 5:1, 10:1
74LS57P	3x Frequency divider, 5:1, 6:1, 10:1
74S64	4-3-2-2 AND-OR-INVERT
74S65	4-3-2-2 AND-OR-INVERT
74LS68	2x Four bit BCD decimal COUNTER
74LS69	2x Four bit binary COUNTER
7470	1x gated JK FLIPFLOP with preset and clear
7472	1x gated JK FLIPFLOP with preset and clear
74LS73	2x JK FLIPFLOP with clear
74LS74	2x D LATCH, edge triggered with clear
74LS75	4x D LATCH, gated
74LS76A	2x JK FLIPFLOP with preset and clear
74LS77	4x D LATCH, gated
74LS78A	2x JK FLIPFLOP with preset and clear
74LS83	Four bit binary ADDER
74LS85	Four bit binary COMPARATOR
74LS86	4x Two input XOR (exclusive or)
74LS90	Four bit BCD decimal COUNTER
74LS91	Eight bit SHIFT register
74LS92	Four bit divide-by-twelve COUNTER
74LS93	Four bit binary COUNTER
74LS94	Four bit SHIFT register
74LS95B	Four bit parallel access SHIFT register
74LS96	Five bit SHIFT register
74LS107A	2x JK FLIPFLOP with clear
74LS109A	2x JK FLIPFLOP, edge triggered, with preset and clear
74LS112A	2x JK FLIPFLOP, edge triggered, with preset and clear
74LS114A	2x JK FLIPFLOP, edge triggered, with preset
74LS116	2x Four bit LATCH with clear
74121	Monostable Multivibrator
74LS122	Retriggerable Monostable Multivibrator
74LS123	Retriggerable Monostable Multivibrator
74S124	2x Clock Generator or Voltage Controlled Oscillator
74LS125	4x Buffer (NO-OP), (low gate) Tri-state
74LS126	4x Buffer (NO-OP), (high gate) Tri-state
74LS130	Retriggerable Monostable Multivibrator
74128	4x Two input NOR, Line driver
74LS132	4x Two input NAND, Schmitt trigger
74S133	Thirteen input NAND
74S134	Twelve input NAND, Tri-state
74S135	4x Two input XOR (exclusive or)
74LS136	4x Two input XOR (exclusive or), Open collector
74LS137	3-8 DECODER (demultiplexer)
74LS138	3-8 DECODER (demultiplexer)
74LS139A	2x 2-4 DECODER (demultiplexer)
74S140	2x Four input NAND, 50 ohm Line Driver
74143	Four bit counter and latch with 7-segment LED driver
74LS145	BCD to Decimal decoder and LED driver
74LS147	10-4 priority ENCODER
74LS148	8-3 gated priority ENCODER
74LS150	16-1 SELECTOR (multiplexer)
74LS151	8-1 SELECTOR (multiplexer)
74LS153	2x 4-1 SELECTOR (multiplexer)
74LS154	4-16 DECODER (demultiplexer)
74LS155A	2x 2-4 DECODER (demultiplexer)
74LS156	2x 2-4 DECODER (demultiplexer)
74LS157	4x 2-1 SELECTOR (multiplexer)
74LS158	4x 2-1 SELECTOR (multiplexer)
74159	4-16 DECODER (demultiplexer), Open collector
74LS160A	Four bit synchronous BCD COUNTER with load and asynchronous clear
74LS161A	Four bit synchronous binary COUNTER with load and asynchronous clear
74LS162A	Four bit synchronous BCD COUNTER with load and synchronous clear
74LS163A	Four bit synchronous binary COUNTER with load and synchronous clear
74LS164	Eight bit parallel out SHIFT register
74LS165	Eight bit parallel in SHIFT register
74LS166A	Eight bit parallel in SHIFT register
74LS169A	Four bit synchronous binary up+down COUNTER
74LS170	4x4 Register file, Open collector
74LS174	6x D LATCH with clear
74LS175	4x D LATCH with clear and dual outputs
74LS170	Four bit parallel in and out SHIFT register
74LS180	Four bit parity checker
74LS181	Four bit ALU
74LS182	Look-ahead carry generator
74LS183	2x One bit full ADDER
74LS190	Four bit Synchronous up and down COUNTER
74LS191	Four bit Synchronous up and down COUNTER
74LS192	Four bit Synchronous up and down COUNTER
74LS193	Four bit Synchronous up and down COUNTER
74LS194	Four bit parallel in and out bidirectional SHIFT register
74LS195	Four bit parallel in and out SHIFT register
74LS198	Eight bit parallel in and out bidirectional SHIFT register
74LS199	Eight bit parallel in and out bidirectional SHIFT register, JK serial input
74LS221	2x Monostable multivibrator
74LS240	8x Inverter (NOT), Tri-state
74LS241	8x Buffer (NO-OP), Tri-state
74LS244	8x Buffer (NO-OP), Tri-state Line driver
74LS245	8x Bidirectional Tri-state BUFFER
74LS259	Eight bit addressable LATCH
74LS260	2x Five input NOR
74LS273	8x D FLIPFLOP with clear
74LS279	4x SR LATCH
74LS283	Four bit binary full ADDER
74LS373	8x Transparent (gated) LATCH, Tri-state
74LS374	8x Edge-triggered LATCH, Tri-state
74LS629	Volatge controlled OSCILLATOR
74LS688	Eight bit binary COMPARATOR

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