SN74ACT533DW

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Logic - Latches

The SN74ACT533DW is a Dual D-Type Latch IC from Texas Instruments (TI). It can be used for a variety of applications that require two independent latches, such as storing two bits of data in memory or generating two signals. The latch can be clocked either asynchronously or synchronously, and its outputs are transparent when the latch is enabled. The SN74ACT533DW has a wide voltage range of 2.7V to 5.4V, making it suitable for low voltage and high voltage systems. Additionally, the latch is available in a range of packages, from small SOICs to larger QFNs.

Application fields of SN74ACT533DW

The SN74ACT533DW is suitable for a wide range of applications. It can be used in digital logic systems and microcontrollers, particularly for storing bits in memory or generating pulses. Additionally, the latch can be used in power management systems and signal conditioning systems. For example, the latch can be used to generate reset signals and delay signals in power management applications, or to reduce noise and set thresholds in signal conditioning applications. The latch is also useful for creating timing signals in clocks, and can be used in combination with other components to generate more complex timing signals.

Working principle of SN74ACT533DW

The SN74ACT533DW consists of two independent D-type latches, which can be clocked synchronously or asynchronously. The latch is transparent when the latch is enabled, meaning that the input is passed straight through to the output.When the latch is disabled, the output will remain the same as when it was last enabled, regardless of any changes in the input. The latch can be clocked using a single clock signal, which is connected to both latches, or the two latches can be clocked independently by connecting different clock signals to each one.

In a synchronous configuration, the latch is clocked whenever a logic 1 is applied to the clock input. When the clock input is a logic 0, the latches are reset to their initial states and the output is not driven. In an asynchronous configuration, the latch is clocked whenever a logic 0 is applied to the clock input. The output is held in its last state when the clock is a logic 1.

The SN74ACT533DW also features an active-low enable input, which must be driven with a logic 0 in order to enable the latch. When the enable input is at logic 1, the latch is disabled and the output will remain at its last state regardless of changes in the input.

The SN74ACT533DW features a wide voltage range of 2.7V to 5.4V, making it suitable for low voltage and high voltage systems. Additionally, the latch is available in a range of packages, from small SOICs to larger QFNs.

The SN74ACT533DW is a versatile latch IC that can be used for a variety of applications. It can be used for memory storage, pulse generation, reset signals, delay signals, noise reduction and threshold setting. Additionally, the latch can be clocked either synchronously or asynchronously, and is available in a range of packages and voltages.

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