Allicdata Part #: | SN74HC540PWG4-ND |
Manufacturer Part#: |
SN74HC540PWG4 |
Price: | $ 0.18 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC BUFFER INVERT 6V 20TSSOP |
More Detail: | Buffer, Inverting 1 Element 8 Bit per Element 3-St... |
DataSheet: | SN74HC540PWG4 Datasheet/PDF |
Quantity: | 1000 |
1610 +: | $ 0.16128 |
Series: | 74HC |
Packaging: | Tube |
Part Status: | Active |
Logic Type: | Buffer, Inverting |
Number of Elements: | 1 |
Number of Bits per Element: | 8 |
Input Type: | -- |
Output Type: | 3-State |
Current - Output High, Low: | 7.8mA, 7.8mA |
Voltage - Supply: | 2 V ~ 6 V |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 20-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 20-TSSOP |
Base Part Number: | 74HC540 |
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Logic is the cornerstone of modern electronics. It allows us to determine which component is able to perform a certain task, and how the component is able to do so. The SN74HC540PWG4 is one component of many, used within this branch of engineering. Contrary to other components within the Logic family, the SN74HC540PWG4 works as part of a circuit in an unconventional way, which makes use of the beneficial aspects of both Buffers, Drivers, Receivers, and Transceivers.
The SN74HC540PWG4, produced by Texas Instruments, is a four-gate, high speed, 3.3V CMOS logic device. This can be used to interface logic systems of varying voltage together, due to the integrated voltage level shifter. The package offers versatility, as the gate’s functions can be configured to the user’s needs.
As mentioned, the SN74HC540PWG4’s main function is level shifting, to allow signals from logic circuits of different voltages to communicate with each other. This component can be used in a variety of fields, anywhere from automotive and medical devices, to LED lighting applications.
The other main application of the SN74HC540PWG4 is within the industrial control field:
- Factory automation
- Voice recognition
- Data processing
- Security systems
Due to its compact construction, the SN74HC540PWG4 allows engineers to create logic systems which require relatively little space, as well as being able to cope with a large amount of input and output signals.
The SN74HC540PWG4’s working principle is based on the ability to detect a voltage applied across its input terminals. Upon detecting a voltage, a path is created within the device which allows the signal to travel through. The device then passes this signal through multiple stages in order to eliminate noise and reduce propagation delay.
The main components of the SN74HC540PWG4 are four CMOS NAND gates, each possessing an output and four input terminals. The NAND gate is the core of the device, and it is responsible for reading the input signals and passing them through the other components of the SN74HC540PWG4.
The SN74HC540PWG4 uses Buffers, Drivers, Receivers and Transceivers to create a communication path between two logic signals of varying voltage. Buffers, providing a logic "1" output and isolation from previous logic stages, are used in the device to push the incoming signals to their intended destination. Following the buffers, drivers then increase the output current to match the input current, allowing for a successful level shift. Finally, the receivers and transceivers receive the signals, verify the data, and create a logical output.
In summary, the SN74HC540PWG4 is a highly versatile logic device, used to allow two logic circuits of varying voltage to communicate with each other, as well as being small enough to fit within a compact design. The device makes use of Buffers, Drivers, Receivers and Transceivers to create a level-shifting path between the signals, and is used within a variety of industries, ranging from automotive and medical to industrial control processes.
The specific data is subject to PDF, and the above content is for reference
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