Images
Mfr.Part #
In Stock
Manufacturer
Description
Package
EPM7256EGC192-20 EPM7256EGC192-20 48553 Altera EE PLD, 20NS, 256-CELL, CMOS, CP 208-BFQFP Exposed Pad
EPM3032ATI44-10 EPM3032ATI44-10 44568 Altera EE PLD, 10NS, 32-CELL, CMOS, PQF 44-TQFP
EPM3128ATC144-10 EPM3128ATC144-10 7740 Altera EE PLD, 10NS, 128-CELL, CMOS, PQ 144-LQFP
EPM3256ATI144-10 EPM3256ATI144-10 12525 Altera EE PLD, 10NS, 256-CELL, CMOS, PQ 144-LQFP
EPM3256AQC208-7 EPM3256AQC208-7 57699 Altera EE PLD, 7.5NS, 256-CELL, CMOS, P 208-BFQFP
EPM570T144C5N EPM570T144C5N 48659 Intel IC CPLD 440MC 5.4NS 144TQFP 144-LQFP
LC4256V-5F256BC LC4256V-5F256BC 42531 Lattice Semiconductor Corporation IC CPLD 256MC 5NS 256FPBGA 256-BGA
XCR3256XL-10CSG280I XCR3256XL-10CSG280I 35097 AMD IC CPLD 256MC 9.1NS 280CSBGA 280-TFBGA, CSPBGA
ISPLSI2128-100LQ ISPLSI2128-100LQ 41192 Lattice Semiconductor Corporation IC CPLD 128MC 10NS 160QFP 160-BQFP
EPM3512AQI208-10N EPM3512AQI208-10N 7079 Altera CPLD - COMPLEX PROGRAMMABLE LOGI 208-BFQFP
EPM3064ATC100-10 EPM3064ATC100-10 14408 Altera EE PLD, 10NS, 64-CELL, CMOS, PQF 100-TQFP
EPM3512AFC256-10N EPM3512AFC256-10N 48913 Altera EE PLD, 10NS, 512-CELL, CMOS, PB 256-BGA
LC4128B-75T100C LC4128B-75T100C 30585 Lattice Semiconductor Corporation IC CPLD 128MC 7.5NS 100TQFP 100-LQFP
EPM7064STC44-6N EPM7064STC44-6N 21130 Intel EE PLD, 6NS, 64-CELL, CMOS, PQFP 44-TQFP
XCR3064XL-6VQ44C XCR3064XL-6VQ44C 44999 AMD IC CPLD 64MC 5.5NS 44VQFP 44-TQFP
EPM7160ELC84-12 EPM7160ELC84-12 58775 Intel EE PLD, 12NS, 160-CELL, CMOS, PQ 84-LCC (J-Lead)
EPM1270GT144C5 EPM1270GT144C5 32020 Intel IC CPLD 980MC 6.2NS 144TQFP 144-LQFP
XC95108-15TQ100C XC95108-15TQ100C 3957 AMD IC CPLD 108MC 15NS 100TQFP 100-LQFP
EPM7512AEFC256-7N EPM7512AEFC256-7N 36186 Intel IC CPLD 512MC 7.5NS 256FBGA 256-BGA
EPM7064STC100-6 EPM7064STC100-6 57121 Intel EE PLD, 6NS, 64-CELL, CMOS, PQFP 100-TQFP

CPLDs (Complex Programmable Logic Devices)

‌1. What are Complex Programmable Logic Devices?‌

CPLD (Complex Programmable Logic Device) is a digital integrated circuit with user-defined logic functions. It was developed from the early PAL (Programmable Array Logic) and GAL (General Array Logic) and belongs to the category of large-scale integrated circuits. It was born in the mid-1980s to make up for the defect that early PLD devices could not realize complex circuits.

 

‌2. What are the Core Structural Features of Complex Programmable Logic Devices?‌

‌Logic Unit‌: It is composed of multiple programmable logic macrocells (Macro Cells). Each macrocell can process dozens of combinational logic inputs and is suitable for implementing complex combinational logic such as decoders.

‌Interconnection Resources‌: Logic units are connected through a central programmable interconnect matrix to provide flexible wiring capabilities.

‌I/O Resources‌: It integrates rich input/output pins and supports an efficient interface with external circuits.

 

‌3. What are the Technical Features of Complex Programmable Logic Devices?‌

‌Programming Technology‌: It adopts non-volatile storage technology based on EEPROM or Flash. After programming, data will not be lost when power is off, and it supports multiple updates in-system programming (ISP).

‌Performance Advantages‌: It has the characteristics of high-density integration, low power consumption, and high reliability, and is suitable for scenarios with high real-time requirements.

 

‌4. What are the Key Differences from FPGA? ‌‌

Features

‌CPLD

‌FPGA

‌Structural Basis

Product term technology, macrocell structure

Lookup table technology (LUT)

‌Configuration Storage

On-chip integrated EEPROM/Flash

External configuration memory required

‌Applicable Scenarios

Complex combinational logic, control intensive

Data-intensive, high-performance computing

‌Granularity

Large granularity (macrocell level)

Medium granularity (LUT level)

 

5. What are the Application Advantages of Complex Programmable Logic Devices?‌

Development Efficiency‌: Rapid design through schematics or hardware description language (HDL), shortening the development cycle and lowering the hardware experience threshold.

 

‌Cost-effectiveness‌: No tape-out cost, suitable for small and medium-scale production (such as less than 10,000 pieces) and prototype verification.

‌Flexibility‌: Repeatable programming to modify logic functions, widely used in communications, industrial control, automotive electronics, and other fields.

 

As a key component in digital system design, CPLD balances flexibility, integration, and cost, and is the preferred solution for the implementation of small and medium-scale logic circuits.