| Allicdata Part #: | CD74HCT27EG4-ND |
| Manufacturer Part#: |
CD74HCT27EG4 |
| Price: | $ 0.16 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC GATE NOR 3CH 3-INP 14DIP |
| More Detail: | NOR Gate IC 3 Channel 14-PDIP |
| DataSheet: |  CD74HCT27EG4 Datasheet/PDF |
| Quantity: | 1000 |
| 1850 +: | $ 0.14566 |
Specifications
| Current - Output High, Low: | 4mA, 4mA |
| Base Part Number: | 74HCT27 |
| Package / Case: | 14-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 14-PDIP |
| Mounting Type: | Through Hole |
| Operating Temperature: | -55°C ~ 125°C |
| Max Propagation Delay @ V, Max CL: | 23ns @ 4.5V, 50pF |
| Logic Level - High: | 2V |
| Logic Level - Low: | 0.8V |
| Series: | 74HCT |
| Current - Quiescent (Max): | 2µA |
| Voltage - Supply: | 4.5 V ~ 5.5 V |
| Features: | -- |
| Number of Inputs: | 3 |
| Number of Circuits: | 3 |
| Logic Type: | NOR Gate |
| Part Status: | Active |
| Packaging: | Tube |
Description
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Logic gates and inverters are commonly used in various digital and integrated circuits. The CD74HCT27EG4 is a HCT (High-Speed CMOS) and TTL compatible quad 2-input NOR gate with open collector outputs. This quad 2-input NOR gate is ideal for many applications and allows for the implementation of complex logic functions. This article will discuss the application fields and working principles of the CD74HCT27EG4.Application FieldsThe versatile nature of the CD74HCT27EG4 makes it suitable for many applications. This device can be used in a wide range of circuits, including timer, counter, decoder and multiplexer circuits. Furthermore, due to its wide range of input/output combinations, it can also be used to construct complex logic functions such as XOR, NOT, and NAND gates. Furthermore, due to its open-collector outputs, it can be used as an open-collector switch. Other applications include, but are not limited to, digital logic switches, low power control lines, control functions for microprocessors, multiplexing and interfacing. This quad 2-input NOR gate is available in both Through Hole (DIP-14) and Surface Mounted Technology (SMT) packages.Working PrincipleThe working principle of the CD74HCT27EG4 is based on the operation of a two-input NOR gate. A NOR gate is a digital circuit element that has two inputs and one output. The output of a NOR gate is always the inverse of the input. When either input is “1”, the output is “0”, and when both inputs are “0”, the output is “1”. This circuit element can be used to construct functions such as AND, OR, NAND and NOR gates. The CD74HCT27EG4 is a combination of four two-input NOR gates. Each gate consists of two inputs, an enable (EN) input, and an open collector output. When the enable input is set to “1”, the output of the gate is enabled and is equal to the inverse of the two inputs. The open collector output of the gate is used to interface with other digital circuits. The open collector outputs can be connected together to create a wired OR connection.The CD74HCT27EG4 circuit is also capable of performing additional functions when the enable input is set to “0”. When the enable input is set to “0”, the output of the circuit is disabled and the outputs are forced to “1”. This feature can be used to create multiplexer and decoder circuits. The main reason for this device’s popularity is due to its excellent speed-power balance and its compatibility with both HCT and TTL logic families.ConclusionThe CD74HCT27EG4 is an HCT/TTL compatible quad 2-input NOR gate with open collector outputs. This device is ideal for applications such as digital logic switches, low power control lines, control functions for microprocessors, multiplexing and interfacing. It can also be used to construct various logic functions, such as AND, OR, NAND and NOR gates. Furthermore, its open-collector outputs allow for the connection of multiple digital circuits together. Due to its excellent speed-power balance and compatibility with both HCT and TTL logic families, it is a popular choice among many circuits.The specific data is subject to PDF, and the above content is for reference
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