7400 Series Guide: 7416 (Open-collector inverters)

The 7416 IC is a chip with six open-collector inverters with a maximum output voltage of 15V. The benefit of an open collector output is that it facilitates connections with chips utilizing varied logic levels, but remember, it’s not interchangeable with a typical NOT gate chip

In this guide, you will learn everything you need to know about this chip and how you can use NOT gates in your own projects.

What does the 7416?

The 74×16 gives you six open-collector inverters that you can use individually. A NOT gate (or inverter) is a logic gate that outputs the opposite of the input. In the truth table below, you can see what the output will be for any given input:

How To Use This Chip

The 7416 comes in a 14-pin package, and you need to connect its power pins before you can use it. This IC supports a VCC voltage of 5V only.

This chip uses open-collector outputs which means you can only sink current, not source it.

The output of each gate in the 7416 can sink around 30 to 50 milliamps when it’s powered with 5 volts.

74×16 Pinout

The 7416 has 14 pins and contains six open-collector inverters Maximum output voltage is 15V laid out as shown in the pinout diagram below:

Pin #	Type	Description
1	Input	Input to the first NOT gate.
2	Output	Open-collector output from the first NOT gate.
3	Input	Input to the second NOT gate.
4	Output	Open-collector output from the second NOT gate.
5	Input	Input to the third NOT gate.
6	Output	Open-collector output from the third NOT gate.
7	Power	Connect to ground (GND).
8	Output	Open-collector output from the fourth NOT gate.
9	Input	Input to the fourth NOT gate.
10	Output	Open-collector output from the fifth NOT gate.
11	Input	Input to the fifth NOT gate.
12	Output	Open-collector output from the sixth NOT gate.
13	Input	Input to the sixth NOT gate.
14	Power	Positive power supply (VCC). Connect to +5V power.

Alternatives and Equivalents for 7416

There are few versions of the 7416 chip. It is an obsolete chip, but can still be found. The two versions I’ve been able to locate are DM7416 by Fairchild Semiconductor (now Onsemi), and the SN7416 by Texas Instruments. They’re pretty much the same.

Can’t find the 7416 anywhere? Then try one of the following IC alternatives:

• 74×04 – Hex open-collector inverters.
• 74×05 – Hex open-collector inverters.
• 74×06 – Hex open-collector inverters (with up to 40mA sink current).
• 74×14 – Schmitt trigger hex inverters.
• 74×19 – Schmitt trigger hex inverters.
• CD4049 – Hex open-collector inverters with high sink current.
• CD4069 – Hex inverters
• CD40106 – Schmitt trigger hex inverters.

If you can’t find the 74×16 IC in your local electronics store, don’t worry, you’ll most likely find it in one of the stores listed on this page of online stores where you’ll find components and tools for all your electronics projects.

Datasheet for the 7416 chips

Download the PDF datasheet for your version of the 7416 here:

• SN7416 (Texas Instruments)
• DM7416N (Onsemi / Fairchild)