LC4032C-5T48C
LC4032C-5T48C - 32-Macrocell 5ns CPLD | Lattice
The Lattice Semiconductor LC4032C-5T48C is a 32-macrocell complex programmable logic device with a listed 5 ns speed grade, supplied in a 48-pin TQFP package. The verified distributor records identify it as a super-fast high-density PLD/CPLD and expose the ordering code LC4032C-5T48C-ND for procurement. The package combines programmable combinational and registered logic with nonvolatile configuration retention, making the device useful where control, decoding, interface adaptation, and fixed-format digital logic must be consolidated onto one programmable component.
A CPLD is a user-programmable digital logic device that sits between fixed-function gate arrays and higher-end FPGAs in the broader semiconductor hierarchy. Unlike a microcontroller that executes software sequentially, a CPLD configures interconnected logic blocks into parallel hardware circuits. That architecture can provide deterministic control behavior without a software event loop, while in-system programmability supports design iteration, configuration storage, and field updates when the surrounding platform supports them.
The verified source identifies the LC4032C family as a super-fast, high-density PLD, while the distributor ordering code identifies this exact variant as a 32-macrocell device with a 5 ns speed designation in a 48-pin TQFP package. Those are the only performance values confirmed in the supplied data. Core supply voltage, macrocell architecture details, I/O standards, propagation-delay breakdown, maximum operating frequency, current consumption, and supported input/output counts remain unverified and must be confirmed in the manufacturer datasheet before release to production.
Typical uses include industrial control logic, peripheral glue, bus decoding, state-machine implementation, data-format conversion, board-level sequencing, and embedded subsystem interfaces. A CPLD is especially useful when several small control blocks must operate concurrently, external logic has grown beyond simple gates, or a product revision is likely. The exact architecture should be selected by compiling the intended design with the supported Lattice toolchain and checking timing against the external interface requirements.
The 48-pin TQFP is a PCB-surface-mount package associated with the TQFP family. Before layout, verify the exact pin assignments, exposed-pad status, pin multiplexing, and programming interface from the official LC4032C documentation. The compact package helps reduce board area, but fine-pitch routing requires adequate clearances, a reliable ground plane, and careful decoupling around every applicable supply pin.
A practical design review should compare the 5 ns family designation with the actual timing closure required by the slowest clock-domain crossing or I/O path. Device speed grade alone does not guarantee system timing; board delay, external component delay, constraints, and selected I/O mode must be included. For sourcing, compare the DigiKey, Octopart, and distributor availability records as of 2026-10-23, then obtain an authorized quotation for production quantities.
This page consolidates the verified distributor descriptions, package and device-class details, sourcing links, and engineering cautions for LC4032C-5T48C. It deliberately distinguishes confirmed MPN data from electrical parameters that remain unavailable, helping engineers locate the part, assess package compatibility, and plan the next verification step without treating unconfirmed specifications as production facts.
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