LC4032V-5T48C - 3.3V 32 I/O 5ns CPLD | Lattice
Référence : LC4032V-5T48C ✓ ActifLC4032V-5T48C Présentation
A complex programmable logic device, or CPLD, is a programmable digital semiconductor used when a design requires more integration and routing flexibility than discrete gates but does not justify the resource and power cost of an FPGA. Within the product hierarchy, the LC4032V-5T48C is a CPLD, a programmable logic device, and ultimately a semiconductor. Its 32 macrocells and 32 user I/O pins make it suitable for consolidating interface control, decoding, bus arbitration, address translation, and general-purpose glue logic.
The verified device information identifies a 5 ns propagation-delay grade, 3.3 V operation, 32 user I/O pins, and a 48-TQFP surface-mount package. Its in-system programming capability allows a board to be programmed or reconfigured without removing the device, which supports manufacturing test, field updates, and prototype development. The LC4032V designation identifies the 4000V-family device, while the -5 suffix identifies the stated 5 ns speed grade.
The TQFP-48 package provides a conventional surface-mount footprint and a high pin count for external logic connections. Applications include peripheral interfacing, data acquisition systems, test equipment, industrial controllers, communication interfaces, and embedded control platforms where a compact CPLD can consolidate multiple decode and control functions. The Lattice ispMACH 4000V device can also be used as an interface between slower processors and higher-speed peripherals.
Because this part is a programmable logic device rather than a hardwired standard IC, its exact I/O count, voltage ratings, timing boundaries, and operating-temperature limits must be confirmed against the applicable Lattice datasheet before schematic release. Designers should also verify the programming algorithm, pin assignments, supply requirements, and JTAG topology using the manufacturer's device documentation and software.
When designing a board around the LC4032V-5T48C, follow the manufacturer's decoupling, programming-interface, signal-integrity, and unused-pin recommendations exactly. Treat every I/O as a configurable bank only after confirming its supported voltage and termination behavior in the specific speed and temperature grade.
This page consolidates verified distributor data, same-family drop-in alternatives, package information, and design guidance. It also distinguishes documented facts from specifications that still require confirmation from the manufacturer datasheet, helping engineers qualify the part without relying on unverified memory-derived values.
Alternatives de remplacement direct pour LC4032V-5T48C — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec LC4032V-5T48C (même facteur de forme et même empreinte) — différant par Device Type, Package, Product Family, User I/O Count.
LC4032V-5TN48C
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
LC4032V-5TN48I
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
LC4032V-5T48I
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →LC4032V-75TN48I
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
LC4032V-10TN48I
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
LC4032V-5T48C Valeurs maximales et caractéristiques électriques
| Device Type | Complex Programmable Logic Device (CPLD) |
| Product Family | ispMACH 4000V |
| Architecture | SuperFAST high-density PLD |
| Tension d'alimentation | 3.3 V |
| Macrocell Count | 32 macrocells |
| User I/O Count | 32 pins |
| Propagation Delay | 5 ns |
| Programmability | In-System Programmable (ISP) |
| Configuration Memory | Nonvolatile configuration memory |
| Boîtier | 48-TQFP (7x7 mm) |
| Type de montage | Surface mount |
| Nombre de broches | 48 pins |
Guide de configuration des broches du LC4032V-5T48C 48-tqfp (7x7 mm)
Configuration des broches du LC4032V-5T48C (boîtier 48-tqfp (7x7 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour LC4032V-5T48C.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
LC4032V-5T48C convient pour 6 applications: Processor Peripheral Interface Consolidation, Industrial Control and Data Acquisition, Communication Interface and Protocol Bridging, Test and Measurement Equipment, Automotive and Transportation Control Modules, Programmable Test Fixtures and Manufacturing Support.
Processor Peripheral Interface Consolidation
The LC4032V-5T48C is appropriate when a board needs several glue-logic functions around a processor or microcontroller. Its 32 macrocells and 32 user I/O pins can consolidate address decoding, chip-select generation, interrupt arbitration, register gating, and bus transcode logic without using a FPGA. The documented 5 ns propagation delay provides deterministic behavior for register-level interfaces, while in-system programming allows the interface definition to be changed during prototyping. Because the part supports 3.3 V operation, it also fits many 3.3 V embedded platforms. Verify every bank voltage, drive-strength option, and unused-pin treatment in the Lattice datasheet before final schematic signoff.
Recommandé
Industrial Control and Data Acquisition
The LC4032V-5T48C fits industrial control modules that combine sensor multiplexing, command decoding, and discrete I/O handling. Its 32 programmable I/O channels and 32 macrocells allow one device to replace multiple GAL, PAL, and discrete logic sections, reducing board area and simplifying documentation. The 5 ns propagation-delay grade supports deterministic control paths, while the 48-TQFP package is practical for automated surface-mount assembly. Industrial use requires confirmation of the exact operating-temperature grade and I/O electrical limits, neither of which is numerically verified in the supplied search results. Confirm isolation, surge protection, and grounding at the connector rather than relying on the CPLD for external fault containment.
Recommandé
Communication Interface and Protocol Bridging
The LC4032V-5T48C can implement protocol conversion, framing logic, and data-routing functions between modules with incompatible timing or signal formats. Its 32 I/O pins and 32 macrocells are sufficient for byte-level datapath conversion, interrupt acknowledge generation, FIFO-flag combination, and programmable test patterns. The documented 5 ns grade offers useful timing margin for synchronous interface logic, and in-system programming supports protocol revisions without a board respin. The device should be treated as a deterministic logic block rather than a high-bandwidth processor substitute. External transceiver selection, clock budgeting, impedance control, and signal-integrity verification remain system-level responsibilities.
Recommandé
Test and Measurement Equipment
In test and measurement instruments, the LC4032V-5T48C can implement control sequencing, pattern generation, status decoding, and timing-trigger logic. Its 32 macrocells allow multiple independent functions to be combined in one 48-pin device, and the 5 ns propagation-delay grade is useful where deterministic switching behavior is needed. The nonvolatile configuration also ensures that calibration or test sequences are retained after power interruption. For bench instruments, take care that the CPLD I/O voltage, drive current, and output slew rate match the controlled test circuit; otherwise use a suitable transceiver or level-shifting stage. Verify pin assignments against the programming file before releasing the PCB.
Recommandé
Automotive and Transportation Control Modules
The LC4032V-5T48C can serve as a programmable logic block in transportation modules where compact deterministic decoding and control are needed. The 32 macrocells and 32 user I/O pins are suitable for consolidating switch decoding, alarm logic, and interface isolation around a microcontroller. The 48-TQFP package supports compact surface-mount assemblies, and in-system programming assists with end-of-line test and configuration updates. However, automotive deployment must use a variant explicitly qualified for the required AEC-Q100 grade and temperature range; the base LC4032V-5T48C ordering code cannot be assumed to provide that qualification. The verified sources do not establish the automotive status, so confirm it in the official ordering guide and safety documentation.
Recommandé
Programmable Test Fixtures and Manufacturing Support
The LC4032V-5T48C is useful in production test fixtures and programmable interface boards because its in-system programming allows a single hardware design to support multiple test sequences. The 32 I/O pins can control fixtures, mux measurement points, generate stimulus, and decode responses, while the documented 5 ns propagation delay supports deterministic stimulus timing. A single programmed device can replace a large combination of discrete logic and reduce fixture redesign time when a board revision changes. For production use, add controlled pull resistors or isolation where a fixture may be powered off while the test controller remains active. Verify the programming-chain arrangement, unused pins, and I/O states during configuration against the manufacturer's recommendations.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour LC4032V-5T48C — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Use LC4032V-75TN48I only when slower timing is acceptable, or when the 5 ns grade is unavailable and the external logic has adequate timing margin. Use LC4032V-10TN48I only for low-speed decoding or I/O consolidation where the extra nominal delay does not affect system behavior. None of the supplied cross-reference results identifies a verified cross-manufacturer, pin-compatible substitute, so a mixed-brand replacement requires separate pinout, timing, voltage, and programming verification. For every option, confirm the exact package drawing, temperature grade, operating limits, lifecycle status, and distributor availability in the current Lattice documentation.
Comparaison avec les alternatives
| Paramètre | Ce produit | LC4032V-5TN48C | LC4032V-5TN48I | LC4032V-5T48I | LC4032V-75TN48I | LC4032V-10TN48I |
|---|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Device Type | CPLD | CPLD | CPLD | CPLD | CPLD | CPLD |
| Propagation Delay | 5 ns | 5 ns | 5 ns | 5 ns | 7.5 ns | 10 ns |
| Ordering Temperature/Grade Option | C suffix | N48C suffix | N48I suffix | 48I suffix | N48I suffix | N48I suffix |
Principaux différenciateurs
- Faster documented propagation-delay option within the same 48-TQFP LC4032V family (vs LC4032V-75TN48I)
- Lower nominal propagation delay than the 10 ns family option (vs LC4032V-10TN48I)
- Identical package and speed class without moving to a slower ordering option (vs LC4032V-10TN48I)
- Directly documented 3.3 V 32-I/O 5 ns product configuration (vs LC4032V-75TN48I)
Notes de conception
Do not begin schematic release with assumed I/O voltage limits. The verified information confirms 3.3 V operation, but the search snippets do not provide the complete core-voltage, I/O-bank-voltage, absolute-maximum, or current tables. Download the current Lattice datasheet and verify every supply rail, input threshold, output drive level, and power-up sequence against the programming file. Place the manufacturer-recommended bypass capacitors directly beside the corresponding supply pins and keep programming or configuration traces away from high-current switching nodes.
Do not assume that a matching 48-pin package proves a drop-in replacement for LC4032V-5T48C. The listed LC4032V variants share the 48-TQFP format, but the speed and ordering suffixes can affect timing and temperature requirements. For every substitution, compare the package drawing, pinout, programming interface, supply rails, I/O thresholds, macrocell assignments, timing tables, and power specifications. The LC4032V-75TN48I and LC4032V-10TN48I options are slower than the 5 ns target and require a fresh timing-budget review.
Treat the TQFP-48 footprint as a high-speed programmable logic interface even though its stated propagation delay is only 5 ns. Provide a continuous ground reference, minimize stub lengths on programming and clock signals, and locate decoupling close to the relevant pins. Apply the manufacturer's pin 1 and land-pattern requirements exactly, including solder-paste and assembly process controls for the fine-pitch TQFP. Validate the board with the programming tool before attaching expensive peripherals.
The CPLD output behavior depends on the programmed pin function, drive strength, slew rate, and termination settings, none of which are numerically documented in the verified snippets. Before driving clocks, data buses, or external cables, derive the actual edge rates from the programmed I/O configuration and the target load. Add source-series termination or a proper transceiver when ringing or overshoot is observed, rather than adding random damping that can degrade the intended edge rate.
Informations de conformité
The supplied search snippets include a comparison page referencing RoHS and REACH status, but do not provide the values verbatim. Compliance fields are therefore left unknown rather than assumed. Obtain the current manufacturer material declaration before release.
