SN74BCT29821DWRE4

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SN74BCT29821DWRE4

SN74BCT29821DWRE4 is a family of logic flip-flops that offers advanced features such as cross-clocking, variable outputs, and improved power-up behavior. The device is based on the basic SR latch, but with the addition of two clock-pulse inputs which are used to control certain aspects of the device output. The family also offers an improved power-up behavior, allowing for greater functionality and accuracy during this time.

The SN74BCT29821DWRE4 consists of a single package with two latch segments, each with two outputs. The two latch segments are each connected to two clock-pulse inputs which can be controlled independently. The latch segments can be clocked at the same time or crossed with one another, providing additional flexibility. Cross-clocking allows for the output of one segment to be used to drive the output of the other, making it ideal for use in applications such as address switching and data routing.

The SN74BCT29821DWRE4 also includes an asynchronous reset. This provides an easy way to reset the device quickly and easily, allowing for greater flexibility in the logic circuitry. Additionally, the device includes a programmable output delay, that allows for the ability to adjust the timing of the output signal, to further improve the logic circuitry. In addition to the powerful features, the device is also power efficient, using less than 0.5microamps at 5V.

The SN74BCT29821DWRE4’s application field consists of synchronizing data across multiple application layers, such as address switching and data routing. In addition, the device can be used in design applications that require a large amount of logic gate inputs and outputs. This can include data synchronization required for digital communication systems, as well as multi-processor system designs.

The working principle of the SN74BCT29821DWRE4 is based on latching of data. There are two triggering inputs in the device, one called the clock pulse input, and the other called the data pulse input. When the clock pulse is high, the data stored at the input is latched on the output. The device will remain in this condition until the next clock pulse, at which point the data at the input will be latched on the output.

The device also has two control inputs, one for each latch segment. These are used to control the output of the device. The first control input is used to enable the output for each latch segment, while the other control input is used to select either the clock pulse or the data pulse. This allows for either the normal operation of the device or the cross-clocked operation.

The device also includes an asynchronous reset input, which allows for quick and easy reset of the device. Additionally, the device includes a programmable output delay, which allows for the device to be adjusted to generate the correct signals for a particular microprocessor or digital communication system. Once the delay has been set, the device will remain in its timed mode until reset.

Overall, the SN74BCT29821DWRE4 is a powerful and versatile family of logic flip-flops which offer an improved level of functionality and accuracy. Featuring two latch segments combined with two different clock-pulse inputs and a programmable output delay, the device is capable of powering a wide range of applications. Additionally, the device is power efficient, reducing power consumption while still providing high performance.

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