74VHC373M

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Logic latches are fundamental components in digital circuits, and the 74VHC373M is an example. This latch provides improved performance over existing products with a combination of low power dissipation and high performance circuitry operating over a wide range of voltage options. This makes the latch an excellent choice for a range of applications.

The 74VHC373M is a dual 8-bit latch with eight outputs, a common enable, and an asynchronous reset. It is composed of two 8-input CMOS NAND gates, each with a common enable and an asynchronous reset, and the two NANDs are combined so that the input logic is interpreted as either set or reset by the enable and reset inputs. The latch is composed of two 4-input CMOS NOR gates, and each contains two data inputs and two outputs. The two NOR gates are combined so that the input logic is interpreted as either set or reset by the enable and reset inputs.

The latch has an operating range of 1.65 to 5.5 V, allowing it to be used in a wide range of power supplies as well as fast switching applications. It also has a low standby current of less than 1 µA, and a maximum propagation delay time of 12 ns, making it suitable for high-speed applications. The chip also features a high noise immunity level of 70 dB and requires minimum external components for optimal operation.

The 74VHC373M has a multitude of applications. It is widely used in consumer electronics, automotive, and industrial control systems, providing improved performance compared to existing components. It is also used in applications where solid-state switches are needed, such as in automotive applications for controlling 12V power sources. Other uses include data acquisition and signal conditioning. As a latch, the chip can be used in memory, data storage, and control registers.

The working principle of the 74VHC373M is that the latch is activated when the enable input is LOW while the asynchronous reset is either HIGH or LOW. When the enable input is HIGH, the input logic levels are interpreted as either SET or RESET depending on the reset input logic. The output logic is latched when the enable input goes LOW, and released (RESET) when the reset input is HIGH. The output logic is then re-asserted when the latch is enabled again by the enable input. The chip can be used as an edge triggered latch, since the output does not change until the enable is toggled. The chip is designed to be used with small input voltages, andcan operate at speeds up to 20 Mbps.

In conclusion, the 74VHC373M is a low power, high performance latch that provides improved performance over existing components. It has a wide range of applications in consumer electronics, automotive, and industrial control systems, as well as for data acquisition and signal conditioning. The chip is composed of two 8-input CMOS NAND and NOR gates, and operates over an operating range of 1.65 to 5.5 V. The latch is activated when the enable input is LOW while the asynchronous reset is either HIGH or LOW, and is released (RESET) when the reset input is HIGH. The chip can operate at speeds up to 20 Mbps, making it suitable for high-speed applications.

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