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What is CPLD?

A complex programmable logic device (CPLD) is a programmable logic device with complexity between that of PALs and FPGAs, and architectural features of both. The building block of a CPLD is the macro cell, which contains logic implementing disjunctive normal form expressions and more specialized logic operations. Features in common with PALs: Non-volatile configuration memory. Unlike many FPGAs, an external configuration ROM isn't required, and the CPLD can function immediately on system start-up.

Source: Wikipedia
Technical Archives related to CPLD :
Decrease Power Consumption Using A PLD
This paper describes techniques to reduce power consumption of microprocessors and microcontrollers by using a low-power CPLD		 2001-07-03
PLDs ease time-to-market pressures
Today's devices provide the advantages of both an FPGA and a CPLD with a non-volatile, low-cost, instant-on high performance logic solution for applications that have traditionally used CPLDs		 2007-11-16
Decrease Power Consumption Using A PLD
This paper describes techniques to reduce power consumption of microprocessors and microcontrollers by using a low-power CPLD		 2001-03-29
FPGAs don remote reprogram habits
FPGAs are often used in embedded devices because they can be reprogrammed and one way of getting the new program to the device is by sending it through the net.		 2001-05-01
Game console goes way beyond the average DVD player
With so much attention focused on the Playstation and Wii game systems these days, ZapIt was able to come under the radar with a game box that's suited more for the whole family than just the younger generation.		 2007-03-01
HD DVD player pushes the performance envelope
When Toshiba set out to develop a second generation of the HD-1A, it was with the intention of reducing cost of the system, not change the features.		 2007-04-01
Power Management For MP3 Players
Power Management For MP3 Players		 2001-03-29
Scaling JTAG to evolving embedded needs
JTAG adoption and integration requires a strategy across multiple development disciplines to ensure a standard approach that you can re-use and build on in later generations of the product. This article describes how JTAG is used in various generations of system development and design.		 2006-08-09
Wi-Fi latest in Location free feats
It's a media junkie's dream: watch your real-time or time-shifted video with a suitably fast Internet connection whether across the house or across the world.		 2007-12-10
Flow is shaky for programmable SoCs
Programmable SoC designs are becoming the trend of the future thanks to the greater density of today's programmable devices and the availability of efficient microprocessors. Unfortunately the CAD flows for these devices are far from being robust.		 2001-03-01
New Products related to CPLD :
Altera enhances Quartus II software 2008-11-05
Altera has unveiled Quartus II software version 8.1 for CPLD, FPGA, and HardCopy ASIC designs
Altera CPLDs travel to Shenzhen 2008-06-25
Shenzhen Huayu Communications Technology Co. Ltd selected Altera's MAX IIZ for its P1200 handsets at the Olympics.
Altera ships automotive-grade devices 2008-02-22
Altera will begin shipping automotive-grade devices for selected members of its CPLD, FPGA and structured ASIC device families
Altera unveils zero-power CPLDs for portable apps 2008-01-08
Altera Corp. has announced zero-power MAX IIZ CPLD designed specifically to address the power, package and price constraints of the portable applications market
Xilinx supports CoolRunner-II CPLD with starter kit 2007-06-14
Xilinx has claimed that its low-cost CoolRunner-II CPLD starter kit offers the lowest power consumption, highest I/O count per macrocell, and smallest packaging in the industry
Buck regulator suits small form factor apps 2006-11-24
Intersil Corp. has introduced the ISL65426, a high-efficiency dual output synchronous buck regulator. This device integrates protection for two synchronous buck regulator channels in a thin QFN package.
Xilinx releases ISE WebPACK 8.2i design suite 2006-07-27
Xilinx Inc. released the ISE WebPACK 8.2i¡ªthe latest version of the company's free downloadable programmable logic design suite.
Xilinx releases ISE Webpack 8.2i 2006-07-24
Xilinx Inc. has announced the immediate availability of the Integrated Software Environment (ISE) WebPACKT 8.2i.
Macgraigor's boundary-scan tool eases FPGA, CPLD programming 2006-07-20
For programming FPGAs, CPLDs and other devices, Macraigor Systems LLC has announced the availability of J-SCAN Version 2.1 high-speed boundary-scan debug and programming tool.
Altera addresses needs of portable application market 2006-07-17
Altera Corp. said the new MAX II devices feature ultra-small packages, a new power-down capability and the lowest cost in the industry.
QuickLogic commences shipment of 'lowest power' FPGAs 2006-06-01
QuickLogic has started production shipments of the QL1P075 and the QL1P100 members of its PolarPro family.
Altera's FPGAs support extended temperature range 2006-02-21
Altera Corp. has released low-cost Cyclone II FPGAs that can operate in the extended temperature range of -400C to 1250C for designers building temperature-sensitive applications in the industrial, military and automotive sectors.
Adlink controller card interfaces GPIB, PXI systems 2006-02-02
The PXI-bus (PCI Extensions for Instrumentation) IEEE-488/GPIB controller card from Adlink Technology Inc. can act as a drop-in component for existing test-and-measurement applications.
Intellitech releases next-gen SystemBIST IC 2005-12-08
Intellitech has announced a SystemBIST IC for FPGA configuration and embedded PCB self test.
How to integrate Flash device programming and reduce costs 2005-08-18
Flash memory devices offer great value to engineers who seek high-density, low-cost memory devices that are easy to program and erase.
News & Trends related to CPLD:
Micromint, IAR partner for industrial SBC 2008-10-03
Micromint selected IAR as its tools partner for its latest computer board targeted at the industrial market.
FPGA, CPLD vendors eye automotive sector 2008-09-01
One of the promising markets that FPGA and CPLD vendors have been looking into is the automotive sector
Toshiba selects Altera's CPLDs for its PMPs 2006-10-12
Altera Corp. has announced that Toshiba Corp. has selected the Pb-free version of its MAX II CPLD family for their newest line of gigabeat portable media players
Integrate flash device programming, reduce cost 2005-11-01
Flash memory devices offer high density and low cost to engineers who seek devices that are easy to program and erase.
NEC HSDPA base station adopts Altera low-cost solutions 2005-09-09
Tokyo-based NEC Corp. will use Altera Corp.'s Cyclone FPGAs and MAX 3000 CPLDs in their 3rd Generation Partnership Project (3GPP) W-CDMA macro base stations that support high-speed downlink packet access (HSDPA).
The changing face of automotive ECU design 2005-09-01
Designers are moving away from MCUs and microprocessors and into programmable logic devices.
Application Notes related to CPLD:
PCI bus target controller implementation using a Lattice CPLD 2003-12-20
This application note describes how to implement a PCI bus target controller using the company's CPLD products
Configuring Xilinx FPGAs using an XC9500 CPLD and parallel PROM 2001-04-12
This application note describes a simple, low-cost design to configure any Xilinx FPGA in a serial configuration mode using a Xilinx XC9500 CPLD and any parallel PROM
Implementing a reframe controller for the CY7B933 HOTLink receiver in a CY37032 CPLD 2001-03-27
This application note describes the implementation of a reframe controller for Cypress Semiconductor's CY7B933 HOTLink receiver.
Implementing an SDRAM controller in a Lattice ispLSI device 2002-12-06
This application note discusses how to implement an SDRAM controller using an ispLSI CPLD
ISA bus interface for D.Module.C31eco 2001-10-12
This application note describes how to use D.Module's user programmable CPLD to implement a straightforward interface to the industry-standard ISA bus
Implementing a synchronous DRAM controller in Cypress CPLDs 2001-03-28
This application note discusses the implementation of an SDRAM controller for a Pentium processor by using Cypress Semiconductor's CPLD
Building crosspoint switches with CoolRunner-II CPLDs 2002-06-28
This application note provides a functional description of the VHDL source code for a NxN digital crosspoint switch using a 128-macrocell CoolRunner-II CPLD
Converting designs from FLASH370i to Ultra37000 devices 2001-03-19
This application note addresses the issues associated with upgrading a design from a FLASH370 or a FLASH370i CPLD to an Ultra37000 CPLD
Interfacing slow peripherals to D.Modules via SPI 2001-10-12
This application note describes the use of an SPI interface implemented in D.Module's user-programmable CPLD to connect slow-speed peripherals
Implementing a 128Kx32 dual-port RAM using the FLASH370 2001-03-21
This application note describes how to implement a 128K-by-32-bit-wide dual-port memory or larger, using high-speed 1MB SRAMs and Cypress Semiconductor's CY7C371 CPLD
CoolRunner-II for selecting video source 2008-11-10
Know how CoolRunner-II CPLD works as a logical switch that can select between different MPEG video sources
Low power design with CoolRunner-II CPLDs 2002-06-28
This application note describes the design methodologies that can be employed to obtain the lowest power possible using the CoolRunner-II CPLD
A 32x32 Crossbar switch implementation using the Lattice ispLSI 5384VE device 2002-12-06
This application note discusses how to implement a 32x32 crossbar switch using the ispLSI 5384VE CPLD
Configuration quick start guidelines 2002-06-28
This application note discusses the configuration and programming options for Xilinx's CPLD, FPGA, and PROM families, and lists some of the most popular configuration methods for each family
Fast Ethernet convergence sublayer 2002-12-06
This application note discusses the Fast Ethernet's convergence sublayer in a Lattice CPLD
Datasheets related to CPLD:
Part Number Description Manufacturer
AD594 Monolithic Thermocouple Amplifier with Cold Junction Compensation Pretrimmed for Type J Thermocouples Analog Devices, Inc
AD595 Monolithic Thermocouple Amplifier with Cold Junction Compensation Pretrimmed for Type K Thermocouples Analog Devices, Inc
LT1025 Micropower Thermocouple Cold Junction Compensator Linear Technology
LTK001 Thermocouple Cold Junction Compensator and Matched Amplifier Linear Technology
UCC2972 BiCMOS Cold Cathode Fluorescent Lamp Driver Controller (Rev. C) Texas Instruments
UCC2973 BiCMOS Cold Cathode Fluorescent Lamp Driver Controller (Rev. C) Texas Instruments
UCC3972 BiCMOS Cold Cathode Fluorescent Lamp Driver Controller (Rev. C) Texas Instruments
UCC3973 BiCMOS Cold Cathode Fluorescent Lamp Driver Controller (Rev. C) Texas Instruments
UCC3974 Dual Cold Cathode Fluorescent Lamp Controller (Rev. A) Texas Instruments
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