Allicdata Part #: | 296-3687-5-ND |
Manufacturer Part#: |
SN74LS280N |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC 9-BIT GEN/CHKER 14DIP |
More Detail: | Parity Generator 9-Bit 14-PDIP |
DataSheet: | SN74LS280N Datasheet/PDF |
Quantity: | 863 |
Series: | 74LS |
Packaging: | Tube |
Part Status: | Active |
Logic Type: | Parity Generator/Checker |
Number of Circuits: | 9-Bit |
Current - Output High, Low: | 400µA, 8mA |
Voltage - Supply: | 4.75V ~ 5.25V |
Operating Temperature: | 0°C ~ 70°C |
Mounting Type: | Through Hole |
Package / Case: | 14-DIP (0.300", 7.62mm) |
Supplier Device Package: | 14-PDIP |
Base Part Number: | 74LS280 |
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A SN74LS280N is a parity checker, generator, and error detector. It is used in a number of applications, including data transmission, data storage, data recovery, and process control. The device supports both asynchronous and synchronous operations.
The first step in using a SN74LS280N is to set the frequency of operation. This can be done using one of the two terminals. The next step is to configure the parity type, by setting the corresponding line according to the input signals and the desired parity type. The two inputs that configure the parity type are called PR (parity) and PN (parity negative).
The error detector of the SN74LS280N activates when the parity is wrong and the error detection terminal becomes “high”, meaning a logic one. Additionally, it is capable of adjusting the parity generator to force a specified number of ones or zeros.
When configured, the SN74LS280N can detect errors in data transmission over bus lines. This is done thanks to the parity generator/checker system, which applies different strategies according to the termination method used. For instance, in the start/stop termination, the parity checker verifies that the same number of start signals and stop signals are present, thereby ensuring that the transmission has been successful.
In addition to detecting errors in data transmission, the SN74LS280N can also detect burst errors in data storage. This is done with the help of a parity generator, which automatically adds an extra bit of data (known as a parity bit) to each block of data to be stored. The parity generator also ensures that a predetermined number of ones and zeros are present in the data. If any errors occur, the parity bit will not match the corresponding data, and the device will detect this discrepancy and signal an error.
Finally, the SN74LS280N can be used in the process control of industrial machinery. This can be done with the help of a “process monitor”, which monitors the state of the machinery, and compares it with the desired state. The process monitor then signals an error if the actual state differs from the desired state, thus helping to ensure the safe and reliable operation of the machinery.
In conclusion, the SN74LS280N is a versatile logic device capable of performing error detection, parity checking, and process control. It is an essential tool for data integrity and process control, and can be used in a variety of applications. With its various features, the SN74LS280N can help to ensure the reliability of your data transmissions, data storage, and process control projects.
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