74LCX373WM

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Logic latches are a fundamental building block for digital logic circuits, and are used to capture sequential logic elements. Latches are also useful for implementation as a side effect of logic signal propagation, as they can store back-up data during write operations, or can serve as a signal transition (flip-flop) to monitor and control signal transitions, such as asynchronous signal synchronization. In this article, we will discuss the application field of 74LCX373WM and its working principles.

What is the 74LCX373WM?

The 74LCX373WM is a low power, 8-bit latch device specifically designed for use in applications where low power consumption is critical. The 74LCX373WM contains an 8-bit shift register with separate clock enable (CE) and data-in (DIn) inputs, and data-out (DOut) outputs. The 74LCX373WM also contains an additional enable (En) input for additional control of the internal registers. The DOut outputs can be configured as asynchronous or synchronous outputs. It is also configurable for various polarity latch settings.

Application field of 74LCX373WM

The 74LCX373WM provides an economical and flexible solution for low power applications. It can be used in embedded systems, automotive applications, power management systems, communication systems and home automation systems to reduce power consumption and/or extend operating time. It is ideal for applications requiring low power, small packages and minimal noise. These include switches, lighting systems, and other low-power applications.

Working principle of 74LCX373WM

The 74LCX373WM is a synchronous Load/Shift Register that allows data to be loaded into the register on the rising edge of the enable signal. The latch is enabled by driving the enable signal high. Data is transferred from the shift register to the latch when the enable signal transitions from low to high. The data is then held in the latch until the enable signal is driven low. The register data is shifted without first being loaded into the latch. This allows the data to be monitored without being loaded into the latch.

The 74LCX373WM can be used as a single latch or multiple latches can be connected together for larger data storage capacity. The latch can also be driven from a single clock. The synchronous operation of the chip allows the data to be shifted into the latch while clocked and loaded simultaneously. This minimizes clock-cycle time required to transfer data.

The 74LCX373WM is a low power device and operates on a supply voltage range of 2.7 to 3.6V. It has a generic power-down feature that requires no external power during idle periods. It also features a self-timed write cycle with a guarantee of no inadvertent write operation. The device has high drive outputs that guarantee a bus hold current and is guaranteed to meet the standby current requirements of JESD78/JESD78-A.

The 74LCX373WM also has various configuration possibilities to meet the needs of various system applications. It can be configured for single latch or multiple (2-to-8) latch modes. It is also configurable for different interface configurations, system frequencies and data output polarity. The device can be used in systems with both synchronous and asynchronous input and output operations.

Conclusion

The 74LCX373WM is a low power, 8 bit latch device that offers flexibility and power savings. Its wide range of configuration options make it suitable for various embedded, automotive, power management and communication systems. Its synchronous operation makes it easy to use and its low power consumption makes it ideal for low power applications.

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