
7432 Quad 2 Input OR Gate IC DIP-14 Package
7432 Quad 2 Input OR Gate IC DIP-14 Package
- IC Name: 7432
- Package/Case: DIP-14
- operating temperature range: -55°C to +125°C
- Propagation delay time: 23 ns
- Description
Description
7432 Quad 2 Input OR Gate IC DIP-14 Package/7432 IC Quad 2-Input OR Gate DIP-14
What does the 74LS32,74HC32 do?
The 74×32 gives you four basic OR gates that can be used individually. An OR gate is a logic gate that outputs 1 (HIGH) if one of its inputs are 1 (HIGH). In the truth table below, you can see what the output will be for any given input:
The truth table for the OR gateHow To Use This Chip
Like every other chip in the 7400 series, this IC needs to be connected to power before you can use it. Most 7400 ICs support a VCC voltage of 5V. One difference between the HC and LS versions of the chip is that the 74HC32 supports 2V to 6V, while the 74LS32 supports only 5V.
Once it’s connected, you can use any of the four basic OR gates inside.
The 74HC32/74LS32 IC connected to powerOutput Current
74HC32:
Each gate output of the 74HC32 can sink or source 4 mA when powered with 5V.
74LS32:
HIGH-Level Output Current: 0.4 mA
LOW-Level Output Current: 8 mA
74×32 Pinout
The 74×32 has 14 pins and contains four basic OR gates laid out as shown in the pinout diagram below:

| Pin Name | Pin # | Type | Description |
|---|---|---|---|
| 1A | 1 | Input | Input to the first OR gate. |
| 1B | 2 | Input | Input to the first OR gate. |
| 1Y | 3 | Output | Output from the first OR gate. |
| 2A | 4 | Input | Input to the second OR gate. |
| 2B | 5 | Input | Input to the second OR gate. |
| 2Y | 6 | Output | Output from the second OR gate. |
| GND | 7 | Power | Connect to ground. |
| 3Y | 8 | Output | Output from the third OR gate. |
| 3A | 9 | Input | Input to the third OR gate. |
| 3B | 10 | Input | Input to the third OR gate. |
| 4Y | 11 | Output | Output from the fourth OR gate. |
| 4A | 12 | Input | Input to the fourth OR gate. |
| 4B | 13 | Input | Input to the fourth OR gate. |
| VCC | 14 | Power | Positive power supply. Connect to +5V power. |
Specifications
| Product Attribute | Attribute Value |
| Product Category: | Logic Gates |
| Product: | Single-Function Gates |
| Logic Function: | OR |
| Number of Gates: | 4 Gate |
| Number of Input Lines: | 8 Input |
| Number of Output Lines: | 4 Output |
| High Level Output Current: | – 400 uA |
| Low Level Output Current: | 8 mA |
| Propagation Delay Time: | 14 ns |
| Supply Voltage – Max: | 5.25 V |
| Supply Voltage – Min: | 4.75 V |
| Minimum Operating Temperature: | 0 C |
| Maximum Operating Temperature: | + 70 C |
| Mounting Style: | Through Hole |
| Package/Case: | PDIP-14 |
| Logic Type: | 2-Input OR |
| Number of Bits: | 4 bit |
| Operating Supply Current: | 38 uA |
| Operating Supply Voltage: | 5 V |
| Operating Temperature Range: | 0 C to + 70 C |
| Output Type: | TTL |
Applications:
- Basic Logic Circuits
- Encoders and Decoders
- Multiplexers and De-multiplexers
- Oscillator circuits
- Networking and Digital Systems
Component Datasheet
7432 Datasheet
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