CY74FCT399CTSOCT

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

CY74FCT399CTSOCT is a high-speed octal transparent latch register. This type of device has a variety of applications and uses a working principle that allows it to function at its highest speed and efficiency.

The device generally finds use in logic-based systems, but can function when used as a signal switch, multiplexer, or decoder. Logically, it is utilized as a buffering device in data buses, to store information and act as a latch— either momentarily or indefinitely— until it\'s needed. This is the primary application of CY74FCT399CTSOCT.

The CY74FCT399CTSOCT works by having eight D-type flip-flops separated from the input of eight different buffers. The eight flip-flops store incoming data to their respective buses in the event of a high signal on the latch enable (LE) line. The data is thereafter locked in the corresponding registers.

This data can be gained from the Q outputs of the eight buffers— which are now holding the previously latched data— in the event of a low signal on the LE line. If, however, the LE line remains high, any data sent to the devices on the buses will remain unchanged.

In multiplexer applications, tri-state buffers are used and the enable pins of the multiplexers (E) are used in place of the LE line. This means that the application can signify the tri-state buffers either sending the latched data or the data sourced from the multiplexers, depending on the signal applied on the E line.

The signal decoder, on the other hand, works by sequencing each vertex address of the signal applied. An address decoder is implemented in the decoder process, which then gets signal data from the buffer to notify the logic device about the signal being present.

The signal switch, in this manner, works in a similar fashion to how the multiplexer works. The enable line, or reset line in the case of a signal switch, is used to signify the data that is to be passed to the flip-flops. If, however, the logic state being sent to the switch is a high signal, the output of the flip-flops will remain unchanged.

In terms of speed and operation, the device operates by having the data stream sent to its inputs. The data is locked in the registers and it is stored until signaled to be re-written by the LE line. This is then triggered by a latch enable (LE) signal going low. The device also has a low current drain— which makes it suitable for battery-operated devices— and has a maximum power dissipation of 170mW.

These features, coupled with its small 8-pin SOIC form factor, make it ideal for using in a range of logic-based systems, such as logic and memory regulation, network composition or in the design of a smart card or SIM card design.

In conclusion, the CY74FCT399CTSOCT provides an efficient, yet reliable way to switch, multiplex and decode signals in logic-based systems. Its speed and size, as well as its low power consumption, are some of the factors that make it a go-to device for many designers.

The specific data is subject to PDF, and the above content is for reference