List of 7400 Series IC

The 7400-series Integrated Circuits (IC) is a classic series of chips. It has a bunch of useful basic features such as logic gates, 7-segment decoders, counters, and more. These are great building blocks for digital electronics. This series is an alternative to the 4000 series which has a lot of the same functionality.

Below you’ll find a non-exhaustive list of the most common 7400-series chips.

Click on the IC number of a chip to learn more about its pins, functions, and example circuits.

More ICs will be added. If you have a request, let me know in the comments!

IC #	Pinout	Description
74x00		Quad 2-input NAND gate: An IC with four standard NAND gates.
74x01		Quad 2-input open-collector NAND gates: An IC with four open-collector NAND gates
74x02		Quad 2-input NOR gate: An IC with four standard NOR gates.
74x03		Quad 2-input open-collector NAND gates.: An IC with four open-collector NAND gates
74x04		Hex inverter/NOT-gate: An IC with six inverters (or NOT-gates)
74x05		Hex open-collector inverters: An IC with six open-collector inverters (NOT gates)
74x06		Hex open-collector inverters: An IC with six open-collector inverters that can sink 40 mA
74x07		Hex open-collector buffers: An IC with six open-collector buffers
74x08		Quad 2-input AND gate: An IC with four standard AND gates.
74x09		Quad 2-input open-collector AND gates.: An IC with four open-collector AND gates
74x10		Triple 3-input NAND gates: An IC with three 3-input NAND gates
74x11		Triple 3-input AND gates: An IC with three 3-input AND gates
74x12		Triple 3-input open-collector NAND gates: An IC with three 3-input open-collector NAND gates
74x13		Dual 4-Input NAND Gate Schmitt Trigger: An IC with two 4-Input NAND Gate Schmitt Trigger
74x14		Hex Schmitt-trigger inverters: An IC with six Schmitt-trigger inverters
74x15		Triple 3-input open-collector AND gates: An IC with three 3-input open-collector AND gates
74x16		Hex open-collector inverters: An IC with six open-collector inverters (NOT gates)
74x17		Hex open-collector buffers: An IC with six open-collector buffers
74x18		Dual 4-input NAND gate Schmitt trigger: An IC with two 4-input NAND gates
74x19		Hex Schmitt-trigger inverters: An IC with six Schmitt-trigger inverters
74x20		Dual 4-input NAND gates: An IC with two 4-input NAND gates
74x21		Dual 4-input AND gates: An IC with two 4-input AND gates
74x22		Dual 4-input AND gates: An IC with two 4-input open-collector NAND gates
74x24		Quad 2-input NAND gate Schmitt Trigger: An IC with four Schmitt-trigger NAND gates
74x25		Dual 4-input NOR gates with enable input: An IC with two 4-input NOR gates with enable input
74x26		Quad 2-input open-collector NAND gates: An IC with four open-collector NAND gates that supports output voltage of up to 15V
74x27		Triple 3-input NOR gates: An IC with three 3-input NOR gates
74x28		Quad 2-input NOR gates: An IC with four basic NOR gates and buffered outputs
74x31		Hex delay elements: An IC with six delay elements of 27.5ns, 46.5ns, and 6ns
74x32		Quad 2-input OR gates.: An IC with four basic OR gates
74x33		Quad 2-input open-collector NOR gates: An IC with four open-collector NOR gates
74x37		Quad 2-input NAND gates: An IC with four basic NAND gates and buffered output
74x38		Quad 2-input open-collector NAND gates: An IC with four open-collector NAND gates and buffered output
74x40		Dual 4-input NAND gates with buffered output: An IC with two 4-input NAND gates with buffered output
74x42		BCD to decimal decoder: An IC with 1-of-10 inverting decoder/demultiplexer
74x86		Quad 2-input XOR gates.: An IC with four basic XOR gates
74x132		Quad 2-input NAND Schmitt Triggers: An IC with four Schmitt Trigger NAND gates.
74x136		Quad 2-input open-collector XOR gates.: An IC with four open-collector XOR gates
74x266		Quad 2-input open-collector XNOR gates.: An IC with four open-collector XNOR gates
74x595		Serial-in parallel-out shift register: An IC with an 8-bit serial-in parallel-out shift register
74x7001		Quad 2-input Schmitt-trigger AND gates.: An IC with four Schmitt-trigger AND gates
74x7002		Quad 2-input Schmitt-trigger NOR gates.: An IC with four Schmitt-trigger NOR gates
74x7032		Quad 2-input Schmitt-trigger OR gates.: An IC with four Schmitt-trigger OR gates
74x7266		Quad 2-input XNOR gates.: An IC with four basic XNOR gates

Good to know about the 7400 series:

• The output pins usually only support a few milliamps of sink or source current.
• Lots of manufacturers have made these throughout time, so you’ll often find the chip number with a prefix such as SN74xxx, MM74xxx, or DM74xxx.
• There is also a military-grade version that uses 54xxx instead of 74xxx.
• Most chips support a voltage supply of 5V.