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LC4128V-75TN100C

LC4128V-75TN100C

Lattice Semiconductor Corporation
CPLD - Complex Programmable Logic Devices 400MHZ 128 Macrocell 3.3 V 7.5 tPD
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Overview

The Lattice Semiconductor LC4128V-75TN100C is a Complex Programmable Logic Device (CPLD) offering 128 macrocells and 64 I/O pins. It operates with an internal supply voltage range of 3V to 3.6V and features a maximum tPD delay time of 7.5 ns. This CPLD provides a flexible and reconfigurable solution for digital logic design.

Why Choose This Part

This CPLD offers in-system programmability, allowing for design updates and modifications even after deployment. Its 5V tolerant I/O pins provide design flexibility when interfacing with mixed-voltage systems. With 128 macrocells and a low tPD of 7.5 ns, it is suitable for moderate-speed digital logic applications.

Applications

Glue Logic
Implementing custom glue logic to interface between different ICs in a system, simplifying board design and reducing component count.
Digital State Machines
Designing and implementing complex digital state machines for control applications, sequential logic, and protocol handling.
I/O Expansion
Expanding the number of I/O pins for microcontrollers or other processors, enabling control of more peripherals or sensors.
Bus Bridging
Creating custom bus interfaces and bridges between different bus architectures or voltage domains within a system.
Signal Conditioning and Buffering
Performing real-time signal conditioning, level shifting, and buffering for various digital signals.

Key Specifications

Mounting Type Surface Mount
Number of I/O 64
Package / Case 100-LQFP
Programmable Type In System Programmable
Number of Macrocells 128
Delay Time tpd(1) Max 7.5 ns
Operating Temperature 0degC ~ 90degC (TJ)
Supplier Device Package 100-TQFP (14x14)
Voltage Supply - Internal 3V ~ 3.6V
Number of Logic Elements/Blocks 8

Getting Started

To get started with the LC4128V-75TN100C, engineers typically use Lattice Diamond design software, which includes tools for schematic entry, HDL synthesis, place-and-route, and bitstream generation. Programming is accomplished via the JTAG interface, often using a Lattice programming cable. Evaluation boards may be available from Lattice Semiconductor or third-party vendors to aid in development.

Also Consider

EPM240T100C5N Intel (Altera) - This Intel (Altera) CPLD offers a higher logic capacity with 240 logic elements in a similar package, suitable for more complex designs.

Categories

FPGAs & CPLDs > CPLDs