CPLDs (Complex Programmable Logic Devices)
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Showing 4,981–4,992 of 5,006 products
| Part number | Manufacturer | Description | Details |
|---|---|---|---|
| ATF1504ASV-15QI100 | Microchip Technology | IC CPLD 64MC 15NS 100QFP | View details |
| EPM2210GF324C3 | Altera | IC CPLD 1700MC 7NS 324FBGA | View details |
| PAL16R4-7JC | Cypress Semiconductor Corp | PAL16R4 - ELECTRICALLY ERASABLE | View details |
| XC95108-15PQ100I4307 | AMD | XC95108 IN-SYSTEM PROGRAMMABLE C | View details |
| EPM570ZM144C7N | Altera | IC CPLD 440MC 9NS 144MBGA | View details |
| ATF750C-7PX | Atmel | IC CPLD 10MC 7.5NS 24DIP | View details |
| ISPLSI2032VE-180LB49 | Lattice Semiconductor Corporation | IC CPLD 32MC 5NS 49CABGA | View details |
| GAL26CV12C-15LP | Lattice Semiconductor Corporation | IC PLD 12MC 15NS 28DIP | View details |
| CY37064VP48-100BAC | Cypress Semiconductor Corp | IC CPLD 64MC 12NS 48FBGA | View details |
| ISPGAL22LV10-15LKI | Lattice Semiconductor Corporation | IC PLD 10MC 15NS 28SSOP | View details |
| CY37032VP48-143BAC | Cypress Semiconductor Corp | IC CPLD 32MC 8.5NS 48FBGA | View details |
| ISPPAC81-01SI | Lattice Semiconductor Corporation | ANALOG CIRCUIT, 1 FUNC PDSO16 | View details |
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.
