Allicdata Part #: | 74ACT280MTR-ND |
Manufacturer Part#: |
74ACT280MTR |
Price: | $ 0.14 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC 9-BIT GEN/CHKER 14SO |
More Detail: | Parity Generator 9-Bit 14-SO |
DataSheet: | 74ACT280MTR Datasheet/PDF |
Quantity: | 1000 |
5000 +: | $ 0.12758 |
Series: | 74ACT |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Logic Type: | Parity Generator/Checker |
Number of Circuits: | 9-Bit |
Current - Output High, Low: | 24mA, 24mA |
Voltage - Supply: | 4.5V ~ 5.5V |
Operating Temperature: | -55°C ~ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 14-SO |
Base Part Number: | 74ACT280 |
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Parity generators and checkers are integral components in many digital systems. The 74ACT280MTR is one such device that plays a key role in enabling such systems to achieve the reliable operation they require. This article will explain both the application field and working principle of this device.
Overview
The 74ACT280MTR is an Integrated Circuit (IC) from Texas Instruments. It’s designed for applications requiring a parity generator or parity checker, as well as for applications that require an eight-bit shift register. As a parity generator or parity checker, the device may be used to check whether the number of 1s that appear in any given byte is even or odd. If a byte contains an odd number of 1s, then a parity error has occurred and the system must be notified.
Application Field
The 74ACT280MTR has found wide application in the area of digital control, communications, and security systems. The device is ideal for use in reliable systems as its ability to detect any form of data corruption is essential in ensuring the continuity of operation. Furthermore, the 74ACT280MTR is most useful in systems that require the transmission, processing, and storage of large amounts of data as its high speed enable it to do so quickly and accurately.
Examples of systems in which the 74ACT280MTR is widely used include those used in heavy machinery and aerospace, as well as control systems for all kinds of digital equipment and smart home appliances. In all such systems, the device is able to speed up the transmission and processing of data whilst providing reliable and accurate results.
Working Principle
The working principle of the 74ACT280MTR is relatively simple. The device uses Exclusive-OR (XOR) logic to generate parity bits and verify whether the number of 1s present in a byte represents an even or an odd number. Depending on the setting of the control bit, the device can either generate an even or an odd parity bit. When it is used as a parity checker, the device is then able to detect any single-bit corruption in a byte.
The IC also has two outputs: the carry output and the parity output. When set to parity generator mode, the carry output provides the parity bit and the parity output generates a signal that corresponds to the carry output. Conversely, when set to parity checker mode, the carry output carries a signal indicating whether or not an error has occurred and the parity output indicates which bit is in error.
In addition, the 74ACT280MTR can also be used as an eight-bit shift register. In this mode, the device is able to shift the input bits one position to the right, while the output contains the shifted bits. The shift register is an essential component of many digital systems, as it enables data to be transferred quickly and accurately between different devices.
Conclusion
The 74ACT280MTR is an invaluable device in many digital control, communications, and security systems. Its ability to generate and check parity bits as well as its ability to be used as an eight-bit shift register ensure the reliable operation of such systems. Furthermore, its high speed enables it to process data quickly, making the device an ideal choice for those looking for reliable and accurate results.
The specific data is subject to PDF, and the above content is for reference
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