SN54HC373VTDG2

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Logic - Latches – SN54HC373VTDG2 application field and working principle.

The SN54HC373VTDG2 is a device from the family of latch devices in the Logic – Latches product category of Texas Instruments. These devices are dual type D-latches with independent SET and RESET inputs. This particular device features an extended temperature range of -55°C to +125°C with accelerates outputs.}

The SN54HC373VTDG2 device helps to capture or store data patterns. They use two “data input” lines (D1 and D2) and two “data output” lines (Q1 and Q2). They are typically used to latch data during short spikes or other brief glitches in a signal. One application involves “data handling” in a computer, such as buffering incoming data. Another application is providing a “storage location” for data, in a system where memory accesses are not always possible due to interruptions.

Data can be loaded into the SN54HC373VTDG2 latch when its SET input is activated (high logic level). Subsequent data loads are generally inhibited, unless a low logic level is applied to the RESET input. The device is then ready to accept new data. Data is stored when the SET input is released, typically after a short “setup” time. Subsequent data loads will only be accepted when the RESET input is activated (low logic level). Data stored in the latch will remain until the RESET input is activated, which will erase the current data stored.

Electrically, the SN54HC373VTDG2 are composed of two individual D type flip-flops, each with their own truth table and logic control pins. The truth tables for both flip-flops show the level of the SET and RESET pins, and the output state for each pair of D and Q pins. The flip-flops in the SN54HC373VTDG2 are “gated”, meaning they can be disabled by an external pin. This allows the latch to be disabled, thereby allowing external devices to access the data stored within.

The SN54HC373VTDG2 also provides two “clock enable” inputs that can be used to enable or disable the clock input to the device. The device will remain in its last state until the clock enable input is activated, at which point the device will accept new data. The two glitch-resistant inputs allow the SN54HC373VTDG2 to be used in a wide variety of applications. Additionally, the device “erase” time is relatively high, allowing for a longer duration for data to be stored.

The SN54HC373VTDG2 has a number of different uses. Its ability to quickly latch and store data allows it to be used in a variety of analog and digital systems where data needs to be quickly stored and retrieved. It can be used in computers and embedded systems for buffering memory accesses, as well as for providing a “storage location” for data in systems where memory accesses are not always possible. Additionally, the device’s glitch-resistant inputs allows it to be used in a wide variety of applications, such as digital logic and analog circuit design.

In summary, the SN54HC373VTDG2 is used to capture or store data patterns in a variety of different systems. The device is composed of two individual D type flip-flops with a truth table for each flip-flop. It offers two clock enable inputs, which can be used to enable or disable the clock input to the device. Additionally, its glitch-resistant inputs and extended temperature range of -55°C to +125°C with accelerates outputs make it suitable for use in a wide array of applications.

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