EPM7064BFC49-7

Series:	MAX® 7000B
Packaging:	Tray
Part Status:	Obsolete
Programmable Type:	In System Programmable
Delay Time tpd(1) Max:	7.5ns
Voltage Supply - Internal:	2.375 V ~ 2.625 V
Number of Logic Elements/Blocks:	4
Number of Macrocells:	64
Number of Gates:	1250
Number of I/O:	41
Operating Temperature:	0°C ~ 70°C (TA)

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Complex Programmable Logic Devices (CPLDs) have been widely recognized as a form of embedded system for their ability to offer logic implementation, timing and voltage translations, as well as sequencing capability. The EPM7064BFC49-7 CPLD from Altera is one such device, and its application field and working principles will be discussed in this paper.

Key Features & Specifications

The EPM7064BFC49-7 CPLD is a 0.7 cm2 chip with a maximum power consumption of 0.4 watts. It features 4320 macrocells, 160 72-bit General Purpose Registers, and 256Kbits (32K x 8) RAM. The device also contains an array of dedicated logic blocks and Programmable Input/Output (I/O) Blocks to support designs both large and small. The EPM7064BFC49-7 offers both Fast and Slow JTAG programming modes and includes the Boundary Scan Test (BST) capability. The device operates at a rated voltage of 3.3 Volts with a maximum frequency of 1 GHz.

Application Field

The EPM7064BFC49-7 CPLD is ideally suited for applications such as field programmable gate array (FPGA), communications and data acquisition, embedded microprocessors, general purpose timers and counters, and bus interface controllers. The device has been designed for a wide range of applications, including instrumentation, aerospace, automotive, industrial, communications, and consumer electronics. The device is especially suitable for applications that require high performance and/or low power consumption. The device is also well-suited for designs that require logic implementation as well as routing and translation capabilities.

Working Principle

The working principle of the EPM7064BFC49-7 device is based on a JTAG-based programming interface which allows the device to be customized and programmed with various Control Store memory blocks. The device is capable of implementing complex logic functions, as well as providing time and voltage translations. The device also supports conditional logic -- allowing logic expressions to be tested and then executed -- and sequencing functions, consisting of multiple logic blocks. The EPM7064BFC49-7 also has numerous I/O Blocks that are used to connect with external devices. These I/O blocks can be used to provide data and control signals to and from other components in a system.

Conclusion

The EPM7064BFC49-7 CPLD from Altera is a powerful and versatile device that is suitable for many embedded applications. The device’s key features and specifications have been discussed, as well as its application field and working principle. The power, performance and low power consumption provided by the device are ideal for a wide range of embedded applications. The JTAG-based programming interface is one of the device’s key features and makes it easy to customize and program the device. The numerous dedicated logic blocks and I/O Blocks allow the device to be used for both large and small designs. All in all, the EPM7064BFC49-7 CPLD from Altera is an excellent choice for embedded applications.

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