General logic ICs of the 74xx series

This is a list of number of pins and the function of general-purpose logic ICs of the 74xx series. There is also 54xx and 40xx series.

74xx and 54xx series IC’s are TTL, with Vcc from 4.75 to 5.25v.

54xx are made with an extended military-specification temperature range.

40xx series are CMOS, with Vdd from 3v to 16v, some can be higher or lower.

Name	Named Function of the IC	Pins
00	Quad 2-Input NAND Gate	14
02	Quad 2-Input NOR Gate	14
03	Quad 2-Input NAND Gate Open Drain	14
04	Hex Inverter	14
U04	Hex Inverter	14
05	Hex Inverter Open Drain	14
06	Hex Inverter Buffers/Drivers Open Drain	14
07	Hex BufferOpen Drain	14
08	Quad 2-Input AND Gate	14
09	Quadruple 2-Input Positive-AND Gates With Open-Collector Outputs	14
10	Triple 3-Input NAND Gate	14
11	Triple 3-Input AND Gate	14
14	Hex Schmitt Inverter	14
16	Hex Inverter	14
20	Dual 4-Input NAND Gate	14
21	Dual 4-Input AND Gate	14
27	Triple 3-Input NOR Gate	14
30	8-Input NAND Gate	14
32	Quad 2-Input OR Gate	14
33	13-Input NAND Gate	14
38	Quad 2-Input NAND Gate	14
42	BCD-to-Decimal Decoder	16
45	BCD to Decimal Decoder	16
47	BCD TO 7-SEGMENT DECODER/DRIVERS	16
73	Dual J-K Flip-Flop with Preset and Clear	14
74	Dual D-Type Flip-Flop with Preset and Clear	14
75	4-bit Bistable Latch	16
85	4-Bit Magnitude Comparator	16
86	Quad Exclusive -OR Gate	14
93	4-BIT BINARY COUNTER	14
107	Dual J-K Flip-Flop with Clear	14
109	Dual J-K Flip-Flop with Preset and Clear	16
112	Dual J-K Flip-Flop with Preset and Clear	16
121	Monostable Multivibrator	14
122	Retriggerable Monostable Multivibrator	14
123A	Dual Monostable Multivibrator	16
125	Quad Bus Buffer3-State	14
126	Quad Bus Buffer3-State	14
128	Hex OR-Gate Line Driver	14
132	Quad 2-Input Schmitt NAND Gate	14
133	13-Input NAND Gate	16
137	3 to 8 Line Decoder with Address Latch	16
138	3-to-8 Line Decoder	16
139	Dual 2-to-4 Line Decoder	16
145	BCD-TO-DECIMAL DECODERS/DRIVERS	16
147	10 to 4 Line Priority Encoder	16
148	8-to-3 Line Priority Encoder	16
151	8-Channel Multiplexer	16
153	Dual 4-Channel Multiplexer	16
154	4-to-16 Line Decoder	24
155	Dual 2-to-4 Line Decoder	16
157	Quad 2-Channel Multiplexer	16
158	Quad 2-Channel Multiplexerinverted	16
161	Sync. Binary Counter with Async. Clear	16
163	Sync. Binary Counter with Sync. Clear	16
164	8-bit serial in / parallel-out shift register	14
165	8-bit parallel-in / serial-out shift register	16
166	8-bit parallel-in / serial-out shift register	16
169	SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS	16
173	Quad D-Type Register3-State	16
174	Hex D-Type Flip-Flop with Clear	16
175	Quad D-Type Flip-Flop with Clear	16
191	4-bit BInary up/down Counter	16
193	Sync. up/down Binary Counter	16
194	4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTERS	16
221A	Dual Monostable Multivibrator	16
237	3-to-8 Line Decoder/Latch	16
238	3-to-8 Line Decoder	16
240	Octal Bus Buffer3-state, inverted	20
241	Octal Bus Buffer3-state	20
244	Octal Bus Buffer3-state	20
245	Octal Bus Transceiver3-state	20
251	8-Channel Multiplexer3-state	16
253	Dual 4-Channel Multiplexer3-state	16
257	Quad 2-Channel Multiplexer3-state	16
259	8-Bit Addressable Latch	16
273	Octal D-Type Flip-Flop with Clear	20
279	Quad S-R Latch	16
280	9-Bit Parity Generator/Checker	14
283	4-Bit Binary Full Adder	16
294	Programmable Frequency Divider/Timer	16
297	DIGITAL PHASE-LOCKED-LOOP FILTERS	16
299	8-Bit PIPO Shift Register	20
354	8 to 1 Line Date Selector/MultiPrexer	20
365	Hex Bus Buffer3-state	16
366	Hex Bus Buffer3-state, inverted	16
367	Hex Bus Buffer3-state	16
368	Hex Bus Buffer3-state, inverted	16
373	Octal D-Type Latch3-state	20
374	Octal D-Type Flip-Flop3-state	20
375	Quad D-Type Latch	16
377	Octal D-Type Flip-Flop	20
378	HEX D-TYPE FLIP-FLOPS	16
390	Dual Decade Counter	16
393	Dual Binary Counter	14
423A	Dual Monostable Multivibrator	16
521	8-Bit Equality Comparator	20
534	Octal D-Type Flip-Flop3-State, Inverted	20
540	Octal Bus Buffer3-state, inverted	20
541	Octal Bus Buffer3-state	20
564	Octal D-Type Flip-Flop3-State, Inverted	20
573	Octal D-Type Latch3-state	20
574	Octal D-Type Flip-Flop3-state	20
580	Octal D-Type Latch3-state	20
590	8-Bit Binary Counter/register3-state	16
592	8-Bit Register/Binary Counter	16
594	8-Bit Shift Registers With Output Registers	16
595	8-Bit Shift Register/Latch3-state	16
597	8-Bit Latch/Shift Register	16
624	Single Voltage-controlled oscillator	14
640	Octal Bus Transceiver3-state, inverted	20
645	Octal Bus Transceiver3-state	20
646	Octal Bus TransceiverRegister3-State	24
652	Octal Bus TransceiverRegister3-State	24
670	4-Word x 4-Bit Register File3-state	16
674	16-bit Serial In/Out Parallel-Out Storage register	24
688	8-Bit Equality Comparator	20
697	U/D 4-Bit Binary Counter/register3-state	20
873	Dual 4 bit D-Type Latch3-state	24
2244	Octal Bus Buffer 3-State	20
2245	Octal Bus Transceiver	20
3245	Octal Bus Transceiver3-state	24
C3245	Dual Supply Octal Bus Transceiver3-state	24
4002	Dual 4-Input Positive NOR Gate	14
4017	Decade Counter/Divider	16
4020	14-Stage Binary Counter	16
4024	7-Stage Binary Counter	14
4028	BCD-to-Decimal Decoder	16
4040	12-Stage Binary Counter	16
4046	Phase-Locked Loop with VCO	16
4049	Hex-Inverting Buffer/Converter	16
4050	Hex Non-Inverting Buffer/Converter	16
4051	Single 8-Channel Analog Multiplexer/Demultiplexer	16
4051A	Single 8-Channel Analog Multiplexer/Demultiplexer	16
4052	Dual 4-Channel Analog Multiplexer/Demultiplexer	16
4052A	Dual 4-Channel Analog Multiplexer/Demultiplexer	16
4053	Triple 2-Channel Analog Multiplexer/Demultiplexer	16
4053A	Triple 2-Channel Analog Multiplexer/Demultiplexer	16
4060	14-Stage Binary Counter/Oscillator	16
4066	Quad Bilateral Switch	14
4072	Dual 4-Input Positive OR Gate	14
4075	Triple 3-Input Positive OR Gate	14
4078	8-Input Positive OR/NOR Gate	14
4094	8-Stage Shift-and-Store Bus Register	16
4245	Dual Supply Octal Bus Transceiver3-state	24
4511	BCD-to-7-Segment Latch/Decoder/Driver	16
4514	4-Bit Latch4-to-16 Line Decoder	24
4520	Dual Binary up Counter	16
4538	Dual Precision Mono Multivibrator	16
7046	Phase-Locked Loop with VCO	16
7240	Octal Bus Buffer3-state, inverted	20
7244	Octal Bus Buffer3-state	20
7266	Quad Exclusive-NOR Gate	14
7292	Programmable Divider/Timer	16
16240	16-Bit Bus Buffer 3-State	48
16241	16-Bit Bus Buffer 3-State	48
16244	16-Bit Bus Buffer 3-State	48
16245	16-Bit Bus Transceiver3-State	48
16373	16-Bit D-Type Latch3-State	48
16374	16-Bit D-Type Flip-Flop3-State	48
16646	16-Bit Bus TransceiverRegister3-State	56
16652	16-Bit Bus TransceiverRegister3-State	56
40102	Dual BCD Programmable down Counter	16
40103	8-Bit Binary Programmable down Counter	16
40105	4-Bit×16-Word FIFO Register	16
163245	Dual Supply 16-Bit Bus Transceiver with Series Res	48
164245	Dual Supply 16-Bit Bus Transceiver with Series Res	48

As there are many suppliers, please see the data sheet of each supplier for details.

Last updated on 2022:12:20 at 22:23 UTC