GAL26V12C-20LJI

Series:	GAL®26V12
Packaging:	Tube
Part Status:	Obsolete
Programmable Type:	EE PLD
Delay Time tpd(1) Max:	20.0ns
Voltage Supply - Internal:	4.5 V ~ 5.5 V
Number of Macrocells:	12
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	28-LCC (J-Lead)
Supplier Device Package:	28-PLCC (11.51x11.51)
Base Part Number:	GAL26V12

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Embedded - CPLDs (Complex Programmable Logic Devices)

Complex Programmable Logic Devices (CPLDs) are types of logic devices which are often used when developing embedded systems. GAL26V12C-20LJI is a CPLD device which is often used for various types of applications. This article will discuss the application field and working principle of GAL26V12C-20LJI.

Application Field

GAL26V12C-20LJI is a CPLD which is usually used in embedded systems. It is used for applications such as communications systems, control systems, instrumentation systems and automotive systems. This CPLD has the ability to store and process data, as well as to interface with other devices. Additionally, it is capable of multiple input and output configurations, and it can operate on wide range of power supply voltages.

Working Principle

The GAL26V12C-20LJI CPLD is composed of four individual functions: logic, memory, I/O and timing. The logic function includes combinational logic and clocked or sequential logic. The memory function includes RAM, ROM, EEPROM and flash memory. The I/O function connects the device to outside circuits, and the timing function provides clocking for the control and synchronisation of signals.The core of the GAL26V12C-20LJI is the array of programmable logic blocks (PLBs). Each PLB consists of two logic elements (LEs), which is connected to multiple I/O cells. The two LEs within each PLB can also be interconnected by interconnections and buffers. The I/O cell is used for interfacing and data transferring. The GAL26V12C-20LJI also includes general purpose registers, RAM and ROM.The GAL26V12C-20LJI is programmed and configured with the help of an external programming device. The device can be programmed to implement a variety of logic designs, and these programs are stored in the internal memory. Then, these programs can be used to control the entire device.In conclusion, GAL26V12C-20LJI is a CPLD device which can be used in various types of applications. It has functions of logic, memory, I/O and timing, which makes it an ideal device for embedded systems. Programming and configuration of the device can be done using an external programming device. As a result, GAL26V12C-20LJI can be used for a wide range of applications, from communications systems to control systems and instrumentation systems.

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