Pin Overview
| Pin Name | Pin # | Type | Description |
|---|
| VDD | 14 | Power | Supply Voltage (+3 to +15V) |
| GND | 7 | Power | Ground (0V) |
| A1 to A3 | 1, 3, 13 | Input | Inputs A of the three OR gates |
| B1 to B3 | 2, 4, 12 | Input | Inputs B of the three OR gates |
| C1 to C3 | 5, 8, 11 | Input | Inputs C of the three OR gates |
| Q1 to Q3 | 6, 9, 10 | Output | Outputs from the three OR gates |
What is a 3-input OR gate?
A 3-input OR gate works just like a normal OR gate. Its output becomes HIGH if any of the inputs are HIGH. Otherwise, its output is LOW.
Check the truth table below to see the result for any combination of inputs.
3-input OR gate symbol| Input A | Input B | Input C | Output Q |
|---|
| 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 1 |
| 0 | 1 | 0 | 1 |
| 0 | 1 | 1 | 1 |
| 1 | 0 | 0 | 1 |
| 1 | 0 | 1 | 1 |
| 1 | 1 | 0 | 1 |
| 1 | 1 | 1 | 1 |
Truth Table for the 3-input OR gateTechnical Specifications
| Product Attribute | Attribute Value |
| Product Category: | Logic Gates |
| Product: | Single-Function Gate |
| Logic Function: | OR |
| Number of Gates: | 3 Gate |
| Number of Input Lines: | 9 Input |
| Number of Output Lines: | 3 Output |
| High Level Output Current: | – 6.8 mA |
| Low Level Output Current: | 6.8 mA |
| Propagation Delay Time: | 60 ns |
| Supply Voltage – Max: | 18 V |
| Supply Voltage – Min: | 3 V |
| Minimum Operating Temperature: | – 55 C |
| Maximum Operating Temperature: | + 125 C |
| Mounting Style: | Through Hole |
| Package/Case: | PDIP-14 |
| Packaging: | Tube |
| Function: | Triple 3-Input. |
| Input Type: | CMOS |
| Logic Type: | 3-Input OR |
| Number of Bits: | 3 bit |
| Operating Supply Current: | 15 uA |
| Operating Supply Voltage: | 10 V |
| Operating Temperature Range: | – 55 C to + 125 C |
| Output Type: | CMOS |
| Product Type: | Logic Gates |
| Quiescent Current: | 20 nA |
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