LC4064ZC-75M132C

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Complex Programmable Logic Devices (CPLDs) are a type of integrated circuit that can be programmed to implement digital circuits. They are used in a wide variety of applications, including embedded systems, professional and industrial control systems, automotive infotainment systems, digital media players, and network appliances. One example of a CPLD is the LC4064ZC-75M132C, which is a high-density device featuring two types of programmable logic blocks, known as Configurable Logic Blocks (CLBs) and Logic Cell Arrays (LCAs).

The LC4064ZC-75M132C is designed for use in a variety of applications, such as general logic functions, memory control, address mapping, arithmetic and logic functions, data manipulation, bus control, and state machine generation. It is also suitable for sequential logic and data flow control. It can be used for a wide range of industrial, automotive, medical and consumer applications.

The LC4064ZC-75M132C has a 4K x 32-bit RAM and an 8-bit parallel port. This device is capable of permanently storing data. RAM is static RAM, which means it stores data without needing to be refreshed. The RAM and parallel port are controlled by the CPLD configuration signal, which is stored in the device’s non-volatile memory.

The LC4064ZC-75M132C features two clock sources and two status lines. The clock sources are selectable between a crystal oscillator and an external input. The status lines are used for synchronization between devices, for instance for handshaking between transmission and reception. Also, this device provides programmable I/O registers and pads. The I/O registers are used to configure the input/output behavior of each pad and are also used to control and monitor the communication between the CPLD and external devices.

The LC4064ZC-75M132C features two programmable logic blocks, known as the Configurable Logic Blocks (CLB) and the Logic Cell Array (LCA). The CLB is composed of a four-stage product register, two four-input logic functions, and two product terms. The logic functions can be programmed to perform Boolean operations, such as AND and OR, as well as sequential operations, such as flip-flops. The product terms are used to create complex logic functions.

The Logic Cell Array (LCA) consists of four array cells, each of which can be programmed with a four-level Partial Product Network (PPN). The PPN is used to pre-compute and store a part of a long Boolean expression, which can then be used for efficient testing. The array cells can also be used as memory or register elements to save data in as many as 26 cycles.

The LC4064ZC-75M132C also provides fault-detection capabilities for detecting any faults in the device based on voltage, temperature, and other conditions. The device features an on-chip test port, which allows user to monitor the status of the programmable logic. Diagnostic features allow the user to detect and repair errors in the configuration data while the CPLD is operating.

In conclusion, the LC4064ZC-75M132C is a high-density CPLD that can be used for a variety of embedded systems, professional and industrial control systems, automotive infotainment systems, digital media players, and network appliances. Its features include two clock sources and status lines, two types of programmable logic blocks, 4K x 32-bit RAM and an 8-bit parallel port, on-chip test port for device status monitoring, and diagnostic features for detecting and repairing errors in the programmable logic.

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