SN74F280BNSR

Series:	74F
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	Parity Generator/Checker
Number of Circuits:	9-Bit
Current - Output High, Low:	1mA, 20mA
Voltage - Supply:	4.5V ~ 5.5V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	14-SOP
Base Part Number:	74F280

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Introduction

Logic-based systems are used in a wide array of applications, from microelectronics to robotics and even medical devices. In any of these fields, it is likely that a parity generator or checker will be required. The SN74F280BNSR is an example of a parity generator and checker designed for use in microelectronic systems. This article will discuss the application fields and principles of this device.

Application Field

The SN74F280BNSR is mainly used for logic operations, such as parity generation and checking, in microelectronic systems. Having a bus system with odd or even parity (depending on the application) is important for ensuring the integrity of any data passing through those lines. The device is an 8-bit edge-triggered parity generator and checker, making it capable of fast, reliable parity operations.In addition to parity-checking systems, the SN74F280BNSR can also be used in memory systems. Here, it is used to generate parity bit on-the-fly, without the need for external memory. This allows a much faster, more efficient approach to parity-checking operations.

Working Principles

The SN74F280BNSR works by accepting an 8-bit data bus as an input and generating the associated parity bit (either odd or even, based on user-settable options). This parity bit is then placed in the out-bus, either for further processing in the case of parity-checking or for data storage in the case of a parity-generation system.In either case, the SN74F280BNSR is designed to operate in a fast, reliable manner. This is achieved by having two separate internal data paths; six transistors allow the device to operate using low-voltage differential signaling (LVDS) while the other two transistors facilitate active load architecture (ALA). The output data is then driven with active logic levels, allowing it to be used in a wide array of applications.

Conclusion

The SN74F280BNSR is a parity generator and checker specifically designed for use in microelectronic systems. It can be used in parity-checking systems, as well as to generate on-the-fly parity bits for memory systems. The device works by accepting an 8-bit data bus as an input and generating the associated parity bit, which is then placed in the output data path. This device is designed to operate in a fast, reliable manner, making it an ideal solution for robotic, medical, and electronic systems.

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