LC4512C-75FTN256C

Series:	ispMACH® 4000C
Packaging:	Tray
Part Status:	Obsolete
Programmable Type:	In System Programmable
Delay Time tpd(1) Max:	7.5ns
Voltage Supply - Internal:	1.65 V ~ 1.95 V
Number of Logic Elements/Blocks:	32
Number of Macrocells:	512
Number of I/O:	208
Operating Temperature:	0°C ~ 90°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	256-LBGA
Supplier Device Package:	256-FTBGA (17x17)
Base Part Number:	LC4512

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Introduction:Complex Programmable Logic Devices (CPLDs) are a type of embedded system based device, and the LC4512C-75FTN256C, manufactured by Lattice Semiconductor Corporation, is one such device. It features a comprehensive array of pre-configured embedded logic and advanced, low power, logic-level integration, making it suitable for a wide variety of applications. This article will provide an overview of the LC4512C-75FTN256C, its application field, and a broad overview of its working principle. Overview:The LC4512C-75FTN256C is a field-programmable Complex Programmable Logic Device (CPLD) with 256 logic elements, organized in 4 independent banks with each bank having 64 logic elements. It is designed to support a 2-level hierarchical architecture, allowing the user to easily create efficient designs with fewer pins and less power. It offers advanced power management capabilities with patented "power-saving" Flip-Flops (FSF) technology, providing the user with the ability to reduce power consumption while achieving logic performance. The device also features low-power static RAM (LPSRAM) and asynchronous SRAM, providing a greater level of on-chip flexibility. The LC4512C-75FTN256C is typically used in applications that require a low-power, high-performance solution to be implemented in a relatively small size. Typically, these applications require a combination of both small-scale logic and on-chip peripheral functionality, such as serial and parallel I/O. This device is suitable for use in a range of low-power applications ranging from embedded controllers and washing machines, to PC peripheral and network products. Working principle:The CPLD is an integrated, programmable logic circuit that combines elements of microprocessor-based systems and digital hardware. It is used to synthesize a logic circuit from a set of defined user-programmed or pre-defined logic elements. The logic elements are configured and interconnected by an easily extensible, reprogrammable interconnect architecture that can take on a range of functions, such as a register, a multiplexer, a digital-to-analogue converter, etc. The LC4512C-75FTN256C is capable of executing complex operations by taking advantage of the pre-defined architecture. It employs LVT (Low Voltage Threshold) Technology for efficient power savings, and includes a specialised set of functions such as Logic Tile, multiplexer, register, counter, and serial I/O control. It features a total of 256 logic elements and 4 LPSRAMs, enabling the user to tailor their design without the need for additional components.Conclusion:The CPLD provides an effective, low-cost solution for a range of low-power applications that require the integration of both small-scale logic and on-chip peripheral functionality. The LC4512C-75FTN256C is an ideal device for providing flexible, low-power solutions in a variety of embedded applications. With its integrated logic and advanced power-saving features, the device provides a great deal of flexibility in a single package.

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