MC74LCX573DTG

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The MC74LCX573DTG is a family of logic devices classified under Latches. A latch is a type of digital logic device that can store one-bit of information. It is used to store digital states and data. It is essentially a type of memory component that stores and retrieves logic values.

The MC74LCX573DTG is a Single D-Type Flip-Flop with 3-state Outputs. It has an active LOW Reset input and 4 normal inputs (D, Clock, Preset, and Clear). Additionally, it has an Enable input that controls the output behaviour.

In terms of application, the MC74LCX573DTG can be used in various applications such as clock gating, low-going edge-triggered flip-flop, address capture, and general purpose data storage. Furthermore, its 3-state outputs make it suitable for buses as 3-state can be used to source or sink current.

The MC74LCX573DTG can be operated in two modes: active LOW or active HIGH enable. The active LOW mode allows the device to be completely reset by bringing the enable input to a low logic level. In this mode, the device will not function unless the enable input is collected. In the active HIGH mode, the device will operate normally if the enable input is set to HIGH and this is the default operation mode.

The MC74LCX573DTG also has a low de-skew latch mode. In this mode, the device’s clear pin is used as an active LOW asynchronous clear. This makes the device useful in situations where very low de-skew (variance in clock-to-output) is required.

The working principle of the MC74LCX573DTG is quite simple. When the clock edge is detected, the data presented at the D input will be latched in the flip-flop and will be made available at the outputs. When the clear input is set to low, the outputs of the flip-flop will reset and the contents will be reset. When the PRESET input is set to low, the output will be preset to logic 1.

Overall, the MC74LCX573DTG is a useful device and is a versatile flip-flop suitable for many applications. It is especially useful for situations where low de-skew and precise timing is required. It can be used as a clock gater, low-going edge-triggered flip-flop, address capture, and general purpose data storage.

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