LC4384V-75FTN256I

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Embedded technology has greatly evolved in recent years, and a great value of industry development. CPLDs (Complex Programmable Logic Devices) are a type of devices that play an important role in embedded technology. The LC4384V-75FTN256I is a well-known CPLD. This article will explain the application field of the LC4384V-75FTN256I as well as its working principle.

Application Field of the LC4384V-75FTN256I

The LC4384V-75FTN256I CPLD is highly suitable for design of high-speed, low-volume production embedded products for industrial, aerospace, automotive, and military applications. Its features such as logic array, low power consumption, narrow power supply (1.8-3.6V) and wide temperature range (-40°C to 85°C) makes it an effective solution for embedded technology. Furthermore, this CPLD has a low system cost, high density and low-power consumption, making it ideal for space-limited designs.

The LC4384V-75FTN256I CPLD can be utilized in a wide range of applications. It can be used in signal switching, digital signal processing, data acquisition, cloning and encoding, digital signal control and signal conditioning.

The LC4384V-75FTN256I is a highly reliable device and a suitable choice for use in embedded technologies. It can be used in various applications, such as automotive body controllers, occupancy sensors or lighting controllers, as well as in industrial control applications, memory expansion control systems, HVAC and power management. In addition, it can also be used for telecommunication systems and secure access control.

Working Principle of the LC4384V-75FTN256I

The LC4384V-75FTN256I CPLD consists of an array of logic blocks. Each block contains lookup tables (LUT) connected with product terms and register flip-flops.The LC4384V-75FTN256I uses an edge triggered architecture. The logic blocks reduce logic gate count, reduce connections and enable higher clock frequency. The LC4384V-75FTN256I CPLD is highly reliable, uses less power and requires less I/O pins.

The LC4384V-75FTN256I contains SR flip-flops and programmable AND–OR arrays (labelled PACT and POAM) in each LUT. Each SR flip-flop has two inputs, an asynchronous input and an edge triggered input. The inputs can connect with other registers, enabling the device to delay output signals. The PACT and POAM can connect up to four product term inputs, indicating an ON or OFF state for the LUT.

The PACT and POAM are used to generate the result of the logic structure. The PACT will connect the output obtained in the logic to the registered data. This enables the LUTs to perform combinatorial and sequential functions, and produces a result based on various input values. The output of the LUT is then fed to the next logic element.

The LC4384V-75FTN256I CPLD has 32 logic blocks, four register clocked blocks, dual-port RAM and DRAM block RAM capabilities. Each logic block is composed of 128 logic elements. The logic blocks include logic functions for conversion of XK and XF, dual-ring counter, arithmetic logic unit and arithmetic logic shift unit which can be arranged to build a precision arithmetic unit. This CPLD also provides 33 registers, each containing 1bit of information.

The LC4384V-75FTN256I includes bus interface logic that enables I/O ports to connect different external devices. It also includes a phase-lock loop (PLL) for microprocessor synchronous access. The device can use global clock buffers to detect the speed of synchronous operation and optimize the critical path delay time of high-speed output. It can also control the maximum ripple of the clock.

Conclusion

The LC4384V-75FTN256I CPLD is highly suitable for use in high-speed, low-volume production embedded products. It has a low system cost and low power consumption, making it ideal for space-limited designs. It contains an array of logic blocks, SR flip-flops, PACT and POAM, dual-option RAM, and DRAM block RAM capabilities. It has the ability to perform conversion of XK and XF, arithmetic logic shift unit, dual-ring counter and more. The device also includes bus interface logic and a phase-lock loop (PLL). Overall, it is an effective solution for embedded technology.

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