74 Series Function Table and Cross-Reference Guide

74 TTL Function Guide

Part No.	Description	Package	Datasheet	Manufacturer Part Number				Equivalent 74LS Part
				Fairchild	Motorola	Philips	TI
7400	Quad 2-Input NAND Gate	PDIP14		FC7400	MC7400	7400	SN7400	74LS00
7401	Quad 2-Input NAND Gate with Open-Collector Output	PDIP14		FC7401	MC7401	7401	SN7401	74LS01
7402	Quad 2-Input NOR Gate	PDIP14		FC7402	MC7402	7402	SN7402	74LS02
7403	Quad 2-Input NOR Gate with Open-Collector Output	PDIP14		FC7403	MC7403	7403	SN7403	74LS03
7404	Hex Inverter	PDIP14		FC7404	MC7404	7404	SN7404	74LS04
7405	Hex Inverter with Open-Collector Output	PDIP14		FC7405	MC7405	7405	SN7405	74LS05
7406	Hex Inverter Buffer/Driver with Open-Collector Output	PDIP14		FC7406		N7406	SN7406	74LS06
7407	Hex Buffer/Driver with Open-Collector Output	PDIP14		FC7407			SN7407	74LS07
7408	Quad 2-Input AND Gate	PDIP14		FC7408	MC7408	N7408	SN7408	74LS08
7409	Quad 2-Input AND Gate with Open-Collector Output	PDIP14		FC7409	MC7409	N7409	SN7409	74LS09
7410	Triple 3-input NAND Gate	PDIP14		FC7410	MC7410	7410	SN7410	74LS10
7411	Triple 3-input AND Gate	PDIP14		FC7411		N7411		74LS11
7412	Triple 3-input NAND Gate with Open-Collector Output	PDIP14		FC7412		N7412	SN7412
7413	Dual 4-input NAND Schmitt Trigger	PDIP14		FC7413	MC7413	7413	SN7413
7414	Hex Inverter Schmitt Trigger	PDIP14		FC7414	MC7414	N7414	SN7414	74LS14
7415	Triple 3-input AND Gate with Open-Collector Output	PDIP14					SN7415
7416	Hex Inverter Buffer/Driver with Open-Collector Output	PDIP14		FC7416		N7416	SN7416
7417	Hex Buffer/Driver with Open-Collector Output	PDIP14		FC7417		N7417	SN7417
7420	Dual 4-input NAND Gate	PDIP14		FC7420	MC7420	7420	SN7420	74LS20
7421	Dual 4-input AND Gate	PDIP14				N7421		74LS21
7422	Dual 4-input NAND Gate with Open-Collector Output	PDIP14					SN7422
7423	Expandable Dual 4-input NOR Gate with Strobe	PDIP14		FC7423			SN7423
7425	Dual 4-input NOR Gate with Strobe	PDIP14		FC7425		N7425	SN7425
7426	Quad 2-input High-Voltage NAND Gate	PDIP14		FC7426	MC7426	7426	SN7426
7427	Triple 3-input NOR Gate	PDIP14		FC7427		N7427	SN7427	74LS27
7428	Quad 2-input NOR Buffer	PDIP14				N7428	SN7428
7430	8-input NAND Gate	PDIP14		FC7430	MC7430	7430	SN7430	74LS30
7432	Quad 2-input OR Gate	PDIP14		FC7432		N7432	SN7432	74LS32
7433	Quad 2-input NOR Buffer with Open-Collector Output	PDIP14				N7433	SN7433
7437	Quad 2-input NAND Buffer	PDIP14		FC7437		N7437	SN7437	74LS37
7438	Quad 2-input NAND Buffer with Open-Collector Output	PDIP14		FC7438	MC7438	N7438	SN7438	74LS38
7440	Dual 4-input NAND Buffer	PDIP14		FC7440	MC7440	7440	SN7440
7442	BCD to Decimal Decoder	PDIP16		FC7442	MC7442	7442	SN7442	74LS42
7443	3 to Decimal Decoder	PDIP16		FC7443	MC7443	N7443	SN7443
7444	3 Gray to Decimal Decoder	PDIP16		FC7444	MC7444	N7444	SN7444
7445	BCD to Decimal Decoder/Driver	PDIP16		FC7445	MC7445	N7445	SN7445
7446	BCD to 7-segment Decoder/Driver	PDIP16		FC7446	MC7446	N7446	SN7446
7447	BCD to 7-segment Decoder/Driver with O.C. Output	PDIP16		FC7447	MC7447	N7447	SN7447	74LS47
7448	BCD to 7-segment Decoder/Driver	PDIP16		FC7448	MC7448	N7448	SN7448	74LS48
7451	Dual 2-wide 2-input AND/OR Inverter Gate	PDIP14		FC7451	MC7451	N7451	SN7451	74LS51
7452	4-wide AND/OR Gate	PDIP14
7453	4-wide AND/OR Inverter Gate	PDIP14		FC7453	MC7453	7453	SN7453
7454	Quad 2-input AND/OR Inverter Gate	PDIP14		FC7454	MC7454	7454	SN7454	74LS54
7461	Triple 3-input Expander	PDIP14
7462	4-wide AND/OR Expander	PDIP14
7463	Hex Current-Sensing Gates	PDIP14
7464	4-2-3-2-input AND/OR Inverter Gate	PDIP14
7465	4-2-3-2-input AND/OR Inverter Gate with O.C. Ouput	PDIP14
7470	AND Gate Edge Triggered JK Flip-Flop	PDIP14		FC7470	MC7470	7470	SN7470
7471	AND/OR Gated JK Master/Slave Flip-Flop	PDIP14
7472	AND Gated JK Master/Slave Flip-Flop	PDIP14		FC7472	MC7472	7472	SN7472
7473	Dual JK Master/Slave Flip-Flop with Clear	PDIP14		FC7473	MC7473	N7473	SN7473	74LS73
7474	Dual D-Type Flip-Flop with Clear	PDIP14		FC7474		7474	SN7474	74LS74
7475	4-bit Bi-stable Latch	PDIP16		FC7475	MC7475	7475	SN7475	74LS75
7476	Dual JK Flip-Flop with Preset and Clear	PDIP16		FC7476	MC7476	7476	SN7476	74LS76
7477	4-bit Bi-stable Latch	PDIP14		FC7477			SN7477
7478	Dual JK Master-Slave Flip-Flop with Preset and Clear	PDIP14
7480	Single 1-bit Full Adder	PDIP14		FC7480	MC7480	7480	SN7480
7481	16-bit Read/Write Memory	PDIP14					SN7481
7482	Single 2-bit Binary Full Adder	PDIP14		FC7482	MC7482	7482	SN7482
7483	4-bit Binary Full Adder	PDIP16		FC7483	MC7483	7483	SN7483	74LS83
7484	16-bit Read/Write Memory	PDIP16			MC7484		SN7484
7485	4-bit Magnitude Comparator	PDIP16		FC7485	MC7485	N7485	SN7485	74LS85
7486	Quad EXCLUSIVE-OR Gate	PDIP14		FC7486	MC7486	N7486	SN7486	74LS86
7487	4-bit True Complement	PDIP14
7488	256-bit ROM (Read-Only Memory)	PDIP16					SN7488
7489	64-bit RAM (Read/Write Memory)	PDIP16		FC7489			SN7489
7490	Decade Counter	PDIP14		FC7490	MC7490	7490	SN7490	74LS90
7491	8-bit Shift Register	PDIP14		FC7491	MC7491	7491	SN7491
7492	Divide-by-12 Counter	PDIP14		FC7492	MC7492	7492	SN7492	74LS92
7493	4-bit Binary Counter	PDIP14		FC7493	MC7493	7493	SN7493	74LS93
7494	4-bit Shift Register	PDIP16		FC7494	MC7494	N7494	SN7494
7495	4-bit Parallel-access Shift Register	PDIP14		FC7495	MC7495	N7495	SN7495	74LS95
7496	5-bit Shift Register	PDIP16		FC7496	MC7496	7496	SN7496
7497	Synchronous 6-bit Binary Rate Multipliers	PDIP14			MC7497		SN7497
7498	4-bit Data Selector/Storage Register	PDIP16
7499	4-bit Right-Shift Left-Shift Register	PDIP16
74100	8-bit Bistable Latch	PDIP24			MC74100		SN74100
74101	AND/OR Gated JK Flip-Flop with Preset	PDIP14
74102	AND Gated JK Flip-Flop with Clear	PDIP14
74103	Dual JK Flip-Flop with Clear	PDIP14
74106	Dual JK Flip-Flop with Preset and Clear	PDIP16
74107	Dual JK Flip-Flop with Clear	PDIP14		FC74107	MC74107	74107	SN74107	74LS107
74108	Dual JK Flip-Flop with Preset, Clear and Clock	PDIP14
74109	Dual JK Positive Edge-Triggered Flip-Flop with Preset and Clear	PDIP16				74109	SN74109	74LS109
74110	AND Gated JK Flip-Flop with Data Lockout	PDIP14					SN74110
74111	Dual JK Flip-Flop with Data Lockout	PDIP16					SN74111
74112	Dual JK Neg. Edge-Triggered Flip-Flop with Preset+Clear	PDIP16						74LS112
74113	Dual JK Negative Edge-Triggered Flip-Flop with Preset	PDIP14
74114	Dual JK Flip-Flop with Preset, Clear and Clock	PDIP14
74116	Dual 4-bit Latch with Clear	PDIP24		FC74116		N74116	SN74116
74120	Dual 30MHz Pulse Synchronizer	PDIP16			MC74120		SN74120
74121	Monostable Multivibrator	PDIP14		FC74121	MC74121	74121	SN74121
74122	Retriggerable Monostable Multivibrator with Clear	PDIP14		FC74122	MC74122	N74122	SN74122	74LS122
74123	Dual Retriggerable Monostable Multivibrator with Clear	PDIP16		FC74123	MC74123	N74123	SN74123	74LS123
74124	Dual Voltage Controlled Oscillator	PDIP16
74125	Quad Bus Buffer Negative Enable Tri-State	PDIP14					SN74125	74LS125
74126	Quad Bus Buffer Tri-State	PDIP14					SN74126	74LS126
74128	Quad 2-input NOR Line Driver	PDIP14					SN74128
74132	Quad 2-input NAND Schmitt Trigger	PDIP14		FC74132		N74132	SN74132	74LS132
74133	13-input NAND Gate	PDIP16
74134	12-input NAND Gate Tri-State	PDIP16
74135	Quad Exclusive-OR/NOR Gate	PDIP16
74136	Quad EXCLUSIVE-OR Gate with Open Collector Output	PDIP14			MC74136		SN74136	74LS136
74137	3 to 8 Line Decoder	PDIP16						74LS137
74138	3 to 8 Decoder/Demultiplexer	PDIP16						74LS138
74139	2 to 4 Decoder/Demultiplexer	PDIP16						74LS139
74140	Dual 4-input NAND Line Driver	PDIP14
74141	BCD-to-Decimal Decoder Driver	PDIP16		FC74141	MC74141		SN74141
74142	BCD Counter/BCD Decoder Driver	PDIP16					SN74142
74143	BCD Counter/BCD-to-Seven-Segment Decoder Driver	PDIP24					SN74143
74144	BCD Counter/BCD-to-Seven-Segment Decoder Lamp Driver	PDIP24					SN74144
74145	BCD-to-Decimal Decoder/Driver	PDIP16		FC74145	MC74145	N74145	SN74145	74LS145
74147	10 to 4 Priority Encoder	PDIP16				N74147	SN74147	74LS147
74148	8 to 3 Priority Encoder	PDIP16				N74148	SN74148	74LS148
74150	16-input Multiplexer	PDIP24		FC74150	MC74150	N74150	SN74150
74151	8-input Multiplexer	PDIP16		FC74151	MC74151	N74151	SN74151	74LS151
74152	8-input Multiplexer	PDIP14		FC74152	MC74152		SN74152
74153	Dual 4 to 1 Selector/Multiplexer	PDIP16		FC74153		N74153	SN74153	74LS153
74154	4 to 16 Line Decoder/Demultiplexer	PDIP24		FC74154		N74154	SN74154	74LS154
74155	Dual 2/4 Demultiplexer	PDIP16		FC74155		N74155	SN74155	74LS155
74156	Dual 2/4 Demultiplexer with Open Collector Output	PDIP16		FC74156	MC74156	N74156	SN74156	74LS156
74157	Quad 2/1 Data Selector	PDIP16		FC74157	MC74157	N74157	SN74157	74LS157
74158	Quad 2/1 Multiplexer Inverter	PDIP16				N74158		74LS158
74159	4 to 16 Line Decoder/Demultiplexer with Open Collector Output	PDIP24					SN74159
74160	Decade Counter with Asynchronous Clear	PDIP16		FC74160		N74160	SN74160	74LS160
74161	Synchronous 4-bit Counter	PDIP16		FC74161	MC74161	N74161	SN74161	74LS161
74162	BCD Decade Counter	PDIP16		FC74162	MC74162	N74162	SN74162	74LS162
74163	Fully Synchronous 4-bit Counter	PDIP16		FC74163	MC74163	N74163	SN74163	74LS163
74164	8-bit Serial Shift Register	PDIP14		FC74164	MC74164	N74164	SN74164	74LS164
74165	8-bit Serial Shift Register, Parallel Load	PDIP16		FC74165	MC74165	N74165	SN74165	74LS165
74166	8-bit Shift Register, Parallel Load	PDIP16		FC74166		N74166	SN74166	74LS166
74167	Synchronous 25MHz Decade Rate Multiplier	PDIP16			MC74167		SN74167
74168	Synchronous Decade Up/Down Counter	PDIP16
74169	Synchronous Binary Up/Down Counter	PDIP16						74LS169
74170	4x4 Register File	PDIP16		FC74170		N74170	SN74170
74172	16-bit Port Register File with Tri-state Output	PDIP24					SN74172
74173	4-bit D-type Register Tri-state	PDIP16				N74173	SN74173	74LS173
74174	Hex D-Type Flip-Flop with Clear	PDIP16		FC74174	MC74174	N74174	SN74174	74LS174
74175	Quad D-Type Flip-Flop with Clear	PDIP16		FC74175	MC74175	N74175	SN74175	74LS175
74176	Asynchronous 35MHz Decade Counter	PDIP14		FC74176	MC74176	N74176	SN74176
74177	Asynchronous 35MHz 4-bit Binary Counter	PDIP14		FC74177	MC74177	N74177	SN74177
74178	4-bit Parallel Access Shift Register	PDIP14		FC74178		N74178	SN74178
74179	4-bit Parallel Access Shift Register	PDIP16		FC74179		N74179	SN74179
74180	9-bit odd/even Parity Generator/Checker	PDIP14		FC74180	MC74180	74180	SN74180
74181	Arithmetic Logic Unit/Function Generator	PDIP24		FC74181	MC74181	N74181	SN74181	74LS181
74182	Look Ahead Carry Generator	PDIP16		FC74182	MC74182	N74182	SN74182
74183	Dual 1-bit Full Adder	PDIP14
74184	BCD-to-Binary Converter	PDIP16			MC74184		SN74184
74185	Binary-to-BCD Converter	PDIP16			MC74185		SN74185
74186	512-bit Programmable ROM (PROM)	PDIP24					SN74186
74187	1024-bit Read Only Memory (ROM)	PDIP16					SN74187
74188	256-bit Programmable ROM (PROM)	PDIP16					SN74188
74189	64-bit RAM with Tri-state Output	PDIP16					SN74189
74190	Up/Down Decade Counter	PDIP16		FC74190	MC74190	N74190	SN74190	74LS190
74191	Up/Down Binary Counter	PDIP16		FC74191	MC74191	N74191	SN74191	74LS191
74192	Decade Up/Down Counter with Clear	PDIP16		FC74192	MC74192	N74192	SN74192	74LS192
74193	Binary Up/Down Counter with Clear	PDIP16		FC74193	MC74193	N74193	SN74193	74LS193
74194	4-bit Bi-directional Shift Register	PDIP16		FC74194		N74194	SN74194	74LS194
74195	4-bit Parallel-Access Shift Register	PDIP16		FC74195	MC74195	N74195	SN74195	74LS195
74196	50MHz Presetable Decade Counter	PDIP14		FC74196		N74196	SN74196
74197	50MHz Presetable Binary Counter	PDIP14		FC74197	MC74197	N74197	SN74197
74198	8-bit Parallel-In, Parallel-Out, Shift Register	PDIP24		FC74198	MC74198	N74198	SN74198
74199	8-bit Parallel-In, Parallel-Out, Shift Register (JK Input)	PDIP24		FC74199		N74199	SN74199
74200	256-bit Read/Write Memory with Tri-state Output	PDIP16					SN74200
74201	256-bit RAM with Tri-state Output	PDIP16
74206	256-bit Read/Write Memory with Open Collector Output	PDIP16
74221	Dual Monostable Multivibrator Schmitt Trigger	PDIP16					SN74221	74LS221
74226	4-bit Parallel Bus Transceivers	PDIP16
74240	Octal Inverter Line Driver Tri-State	PDIP20						74LS240
74241	Octal Bus/Line Driver Tri-State	PDIP20						74LS241
74242	Quad Bus Transceivers	PDIP14
74243	Quad Bus Transceiver Tri-State	PDIP14						74LS243
74244	Octal Buffer/Line Driver Tri-State	PDIP20						74LS244
74245	Octal Bus Transceiver Tri-State	PDIP20						74LS245
74246	BCD to 7-Segment Decoder/Driver	PDIP16					SN74246
74247	BCD to 7-Segment Decoder/Driver	PDIP16					SN74247	74LS247
74248	BCD to 7-Segment Decoder/Driver	PDIP16					SN74248
74249	BCD to 7-Segment Decoder/Driver	PDIP16					SN74249
74251	8-Channel Multiplexer Tri-State	PDIP16					SN74251	74LS251
74253	Dual 4 to 1 Multiplexer Tri-State	PDIP16						74LS253
74257	Quad 2-input Multiplexer Tri-State	PDIP16						74LS257
74258	Quad 2-input Multiplexer Tri-State	PDIP16
74259	8-bit Addressable Latch	PDIP16					SN74259	74LS259
74260	Dual 5-input NOR Gate	PDIP14						74LS260
74261	2-bit x 4-bit Binary Multiplier	PDIP16
74265	Quad Complementary-Output Logic IC	PDIP16					SN74265
74266	Quad EXCLUSIVE-NOR Gate	PDIP14						74LS266
74270	2048-bit Read Only Memory (ROM)	PDIP16
74271	2048-bit Read Only Memory (ROM)	PDIP16
74273	Octal D-Type Flip-Flop with Clear	PDIP20					SN74273
74274	4-bit x 4-bit Binary Multiplier	PDIP20
74276	Quad JK Flip-Flop	PDIP20					SN74276
74278	4-bit Cascadable Priority Register	PDIP14					SN74278
74279	Quad Set-Reset Latches	PDIP16		FC74279		N74279	SN74279	74LS279
74280	9-bit Odd/Even Parity Generator	PDIP14						74LS280
74283	4-bit Binary Full Add with Fast Carry	PDIP16		FC74283		N74283	SN74283	74LS283
74284	4-bit x 4-bit Parallel Binary Multiplier	PDIP16					SN74284
74285	4-bit x 4-bit Parallel Binary Multiplier	PDIP16					SN74285
74287	1024-bit Programmable Read Only Memory (PROM)	PDIP16
74289	64-bit Random Access Memory (RAM)	PDIP16
74290	Asynchronous Decade Counter	PDIP14		FC74290	MC74290		SN74290
74293	Decade and 4-bit Binary Counter	PDIP14		FC74293	MC74293		SN74293	74LS293
74298	Quad Multiplexer with Storage	PDIP16		FC74298	MC74298	N74298	SN74298
74299	8-bit Universal Shift/Storage Register	PDIP20						74LS299
74365	Hex Buffer with Logical OR Tri-State	PDIP16					SN74365	74LS365
74366	Hex Inverter with Logical OR Tri-State	PDIP16					SN74366
74367	Hex Buffer Tri-State	PDIP16					SN74367	74LS367
74368	Hex Inverter Tri-State	PDIP16					SN74368	74LS368

* The information appearing here is for a guide only and most 74 Series parts have now been discontinued.