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M5-128/68-10YI/1 M5-128/68-10YI/1 10925 Lattice Semiconductor Corporation IC CPLD 128MC 10NS 100QFP 100-BQFP
M5-128/120-10YI/1 M5-128/120-10YI/1 46058 Lattice Semiconductor Corporation IC CPLD 128MC 10NS 160QFP 160-BQFP
M5-128/68-10YC/1 M5-128/68-10YC/1 21350 Lattice Semiconductor Corporation IC CPLD 128MC 10NS 100QFP 100-BQFP
M4A5-96/48-7VC M4A5-96/48-7VC 57683 Lattice Semiconductor Corporation IC CPLD 96MC 7.5NS 100TQFP 100-LQFP
M4A5-96/48-12VI M4A5-96/48-12VI 31008 Lattice Semiconductor Corporation IC CPLD 96MC 12NS 100TQFP 100-LQFP
M4A5-64/32-10VC48 M4A5-64/32-10VC48 35626 Lattice Semiconductor Corporation IC CPLD 64MC 10NS 48TQFP 48-LQFP
M4A5-192/96-7VI M4A5-192/96-7VI 19635 Lattice Semiconductor Corporation IC CPLD 192MC 7.5NS 144TQFP 144-LQFP
M4A5-128/64-7YC M4A5-128/64-7YC 42475 Lattice Semiconductor Corporation IC CPLD 128MC 7.5NS 100QFP 100-BQFP
M4A5-32/32-7VC48 M4A5-32/32-7VC48 48009 Lattice Semiconductor Corporation IC CPLD 32MC 7.5NS 48TQFP 48-LQFP
M4A5-32/32-5VC M4A5-32/32-5VC 42774 Lattice Semiconductor Corporation IC CPLD 32MC 5NS 44TQFP 44-TQFP
M4A5-32/32-7VI48 M4A5-32/32-7VI48 39937 Lattice Semiconductor Corporation IC CPLD 32MC 7.5NS 48TQFP 48-LQFP
M4A5-64/32-55VC48 M4A5-64/32-55VC48 16183 Lattice Semiconductor Corporation IC CPLD 64MC 5.5NS 48TQFP 48-LQFP
M4A5-64/32-10VC M4A5-64/32-10VC 22128 Lattice Semiconductor Corporation IC CPLD 64MC 10NS 44TQFP 44-TQFP
M4A5-32/32-7VI M4A5-32/32-7VI 39537 Lattice Semiconductor Corporation IC CPLD 32MC 7.5NS 44TQFP 44-TQFP
M4A5-32/32-12VI48 M4A5-32/32-12VI48 55913 Lattice Semiconductor Corporation IC CPLD 32MC 12NS 48TQFP 48-LQFP
M4A5-192/96-6VC M4A5-192/96-6VC 18232 Lattice Semiconductor Corporation IC CPLD 192MC 6NS 144TQFP 144-LQFP
M4A5-64/32-10VI M4A5-64/32-10VI 13605 Lattice Semiconductor Corporation IC CPLD 64MC 10NS 44TQFP 44-TQFP
M4A5-32/32-12VI M4A5-32/32-12VI 17023 Lattice Semiconductor Corporation IC CPLD 32MC 12NS 44TQFP 44-TQFP
M4A5-64/32-7VC48 M4A5-64/32-7VC48 42842 Lattice Semiconductor Corporation IC CPLD 64MC 7.5NS 48TQFP 48-LQFP
M4A5-256/128-7YC M4A5-256/128-7YC 29733 Lattice Semiconductor Corporation IC CPLD 256MC 7.5NS 208QFP 208-BFQFP

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.