XA2C256-7VQG100I

Series:	CoolRunner II
Packaging:	Tray
Part Status:	Active
Programmable Type:	In System Programmable
Delay Time tpd(1) Max:	7.0ns
Voltage Supply - Internal:	1.7 V ~ 1.9 V
Number of Logic Elements/Blocks:	16
Number of Macrocells:	256
Number of Gates:	6000
Number of I/O:	80
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	100-TQFP
Supplier Device Package:	100-VQFP (14x14)
Base Part Number:	XA2C256

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Embedded - CPLDs (Complex Programmable Logic Devices)

CPLDs, or Complex Programmable Logic Devices, are closely related to microcontrollers and are lumped into the same class as microcontrollers. CPLDs are chips that are programmed to do specific tasks, such as digital signal processing, logic synthesis and digital signal processing, and they can be customized to particular applications. Additionally, CPLDs are easier to interface with than microcontrollers and offer complementary features that would be difficult to achieve with a single microcontroller.The XA2C256-7VQG100I CPLD is a cost-effective device for embedded applications such as data acquisition and signal control. It features two-level combinational and sequential logic and is highly configurable, allowing for optimized designs with fewer ICs, so cost and board space savings can be realized.The XA2C256-7VQG100I CPLD offers advanced features to the designer. It has a wide set of logic functions including look-up tables, edge detectors, data latches, address decoders, programmable logic array (PLA) and programmable array logic (PAL). It also supports power-down detection, signal hysteresis, signal debounce and noise filtering. These features are heavily used in many different types of embedded applications.This CPLD\'s low power consumption, low cost and high programmability makes it ideal for use in embedded applications. By using a CPLD instead of separate logic chips or separate programmable logic devices (PLDs), a designer can save cost on both parts and board space. Additionally, the CPLD utilizes the same instruction set as a microcontroller, so it can be programmed and debugged with the same software tools as an MCU.The XA2C256-7VQG100I CPLD is application specific, so its use must be taken into consideration when designing. Its logic functions must be chosen to match the application it is intended for, as CPLDs are optimized for certain types of functions. When designing for the XA2C256-7VQG100I, one should consider how the logic functions will be used, in what order and how they will interact with each other.In terms of working principle, CPLD devices are designed using reconfigurable logic elements. This allows logic functions to be performed without the need for custom design. Each logic element is programmed to carry out a specific logic task or sequence. Once programmed, the logic element is energized and performs its assigned task.The XA2C256-7VQG100I CPLD has a variety of features that make it an attractive choice for embedded applications. Its two-level combinational and sequential logic make it suitable for many different types of applications. Its wide set of logic functions and power-down detection, signal hysteresis and signal debounce features make it a great choice for embedded applications that require reliable performance in a wide variety of conditions.

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