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74132 IC Quad 2-Input NAND Schmitt-Trigger DIP-14

The 74132 IC is a Quad 2-Input NAND Schmitt-Trigger with noise immunity, ideal for stable signal processing and reliable logic in digital circuits.

18.00 EGP

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SKU:4616609982232
74132 IC Quad 2-Input NAND Schmitt-Trigger

The 74132 is a Quad 2-Input NAND Schmitt-Trigger integrated circuit, designed to provide noise immunity and hysteresis for digital signal processing. This IC contains four independent 2-input NAND gates with Schmitt-trigger inputs, making it ideal for use in applications where noise and signal fluctuations need to be minimized, ensuring stable and reliable logic transitions.

74×132 Pinout
Pinout for the 74HC132/74LS132 chip
Pin Description:
Pin #TypeDescription
1InputInput to the first NAND gate.
2InputInput to the first NAND gate.
3OutputOutput from the first NAND gate.
4InputInput to the second NAND gate.
5InputInput to the second NAND gate.
6OutputOutput from the second NAND gate.
7PowerConnect to ground (GND).
8OutputOutput from the third NAND gate.
9InputInput to the third NAND gate.
10InputInput to the third NAND gate.
11OutputOutput from the fourth NAND gate.
12InputInput to the fourth NAND gate.
13InputInput to the fourth NAND gate.
14PowerPositive power supply (VCC). Connect to +5V power.
What does the 74HC132 / 74LS132 do?

The 74×132 gives you four NAND gates with Schmitt triggers. A NAND gate is a logic gate that outputs 0 (LOW) only if all of its inputs are 1 (HIGH). In the truth table below, you can see what the output will be for any given input:

NAND gate truth table
Truth table for the NAND gate
What is a Schmitt Trigger?

So, here’s the thing. The gate inputs being Schmitt-triggered basically means that the threshold for a 0 becoming a 1 is not the same as for a 1 becoming a 0.

Think of it like this. Say, you’re running this chip on three AA batteries, which gives you 4.5V. For the input to be read as a 1, or HIGH, the voltage has to climb over 2V. But, when you’re already at HIGH, the voltage needs to dip under 0.9V for the input to be recognized as a 0, or LOW. You can get these numbers from the datasheet, by the way.

How To Use This Chip

The 74HC132 comes in a 14-pin package, and you need to connect it to power before you can use it. Most 7400 ICs support a VCC voltage of 5V. One difference between the HC and LS version of the chip is that the 74HC132 supports 2V to 6V, while the 74LS132 only supports 5V.

7400 series IC connected to 5V on a breadboard
Technical Specifications
Physical
Case/PackageDIP
MountThrough Hole
Number of Pins14
Technical
High Level Output Current-5.2 mA
Logic FunctionNAND
Low Level Output Current5.2 mA
Max Operating Temperature125 °C
Max Supply Voltage6 V
Min Operating Temperature-40 °C
Min Supply Voltage2 V
Number of Circuits4
Number of Elements4
Number of Gates4
Number of Inputs2
Number of Outputs1
Operating Supply Voltage5 V
Output Current5.2 mA
Propagation Delay32 ns
Quiescent Current2 µA
74132 Datasheet

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