The 7432 Integrated Circuit (IC) is a TTL (Transistor-Transistor Logic) level chip. This chip is part of a digital logic circuit and is mainly used to implement basic logic functions. This article will combine the 7432 IC Datasheet to fully introduce the characteristics, pin configuration, parameter information and common 7432 IC equivalent chips of this chip.
What is 7432 IC?
The 7432 IC is a commonly used integrated circuit that functions as a Quad 2-Input OR Gate, containing four independent OR gates in a single package. Each gate outputs a high level when at least one of its two inputs is high, making it essential for performing logical addition operations in various digital circuits.
7432 IC: SN74LS32N
Typically housed in a 14-pin package, the IC operates under standard TTL (Transistor-Transistor Logic) power levels, usually around 5V. This makes it ideal for educational purposes and practical applications in digital computers, control systems, and communication devices, where simple yet effective binary logical operations are required.
7432 IC Chip Features
Here are some technical specifics and features of the 7432 IC:
Package Type: Similar to the 7486, the 7432 is typically packaged in a 14-pin dual in-line package (DIP).
Operating Voltage: It operates within a standard range around 5 volts, typically between 4.75 to 5.25 volts.
Input and Output Levels: The input and output logic levels are compatible with TTL standards.
Quad 2-Input OR Gates: The 7432 chip contains four independent OR gates, each capable of handling two inputs. This allows multiple operations to be performed simultaneously, which is efficient for complex logic circuits.
7432 IC Diagram
The following figure shows the 7432 IC pin configuration diagram:
7432 IC Circuit Diagram
7432 Pinout Description
7432 IC is a quad 2-input OR gate chip with a total of 14 pins. The pin configuration of IC 7432 includes: 8 input pins, 4 output pins, a Ground (GND) pin and a Power supply (Vcc) pin. Here are the details of the 7432 pin configuration:
| Pin 1 (Input A1) | First input for the first OR gate. |
| Pin 2 (Input B1) | Second input for the first OR gate. |
| Pin 3 (Output Y1) | Output for the first OR gate. |
| Pin 4 (Input A2) | First input for the second OR gate. |
| Pin 5 (Input B2) | Second input for the second OR gate. |
| Pin 6 (Output Y2) | Output for the second OR gate. |
| Pin 7 (GND) | Ground pin, connected to the negative power supply. |
| Pin 8 (Output Y3) | Output for the third OR gate. |
| Pin 9 (Input B3) | Second input for the third OR gate. |
| Pin 10 (Input A3) | First input for the third OR gate. |
| Pin 11 (Output Y4) | Output for the fourth OR gate. |
| Pin 12 (Input B4) | Second input for the fourth OR gate. |
| Pin 13 (Input A4) | First input for the fourth OR gate. |
| Pin 14 (Vcc) | Power supply pin, typically connected to +5V. |
7432 IC Truth Table
Here is the truth table for the 7432 IC, which is a Quad 2-Input OR Gate. This table shows the output for each combination of inputs for the OR gates:
Input A
| Input B
| Output Y
|
0
| 0 | 0 |
0
| 1 | 1 |
1
| 0 | 1 |
1
| 1 | 1 |
This truth table applies to each of the four OR gates within the 7432 IC. Each gate will output a high (1) if at least one of its two inputs is high (1).
Dimensional Drawing
The size information of the 7432 chip is as follows:
7432 Dimensional
7432 IC Equivalent
Equivalent models and other names of 7432 IC include: 74LS32, 74HC32, 74HCT32,SN74LS32N, SN7432N, SN74HC32N, HD74LS32P etc. Here is the information for these equivalent models:
74LS32: This is a low-power Schottky version, offering faster performance and lower power consumption compared to standard TTL versions.
74HC32: Part of the high-speed CMOS family, this version offers high noise immunity and low power consumption.
74HCT32: A high-speed CMOS chip that is compatible with TTL logic levels, allowing it to be used in systems that require TTL compatibility.
SN74LS32N: A specific part number within the 74LS32 family, indicating a particular package or series.
SN7432N: A specific part number, often indicating a standard TTL version of the 7432 IC.
SN74HC32N: A specific part number within the 74HC32 family.
HD74LS32P: A designation used by certain manufacturers, such as Hitachi, for their version of the 74LS32.
Frequently Asked Questions
1. What is the operating voltage of the 7432 IC?
The 7432 IC typically operates at a voltage of 5V.
2. What are the typical applications of the 7432 IC?
It is commonly used in digital circuits that require OR logic operations, such as in logic gates, computing functions, and various types of digital systems.
3. Can the 7432 IC drive TTL loads?
Yes, each output can drive up to 10 TTL loads.