LC4032C-5T48I - 400MHz 32-Macrocell ISP CPLD | Lattice
MPN: LC4032C-5T48I ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
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| 500 | $0 | $0.00 |
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LC4032C-5T48I Overview
A CPLD, or complex programmable logic device, is a user-programmable digital logic semiconductor within the broader FPGA and programmable-logic hierarchy. Its interconnected programmable logic blocks provide deterministic timing and flexible implementation of combinational and sequential functions. The LC4032C family is positioned for designs requiring high-density logic, compact integration, and field-reconfigurable control or interface functions.
The verified LC4032C-5T48I listing identifies support for 3.3V, 2.5V, and 1.8V operation, up to four global clock pins, programmable clock polarity, and routing to 80 product-term outputs. The 400MHz maximum operating frequency and 2.5ns propagation delay make the device useful where logic timing margin matters. The -5 speed designation and industrial temperature suffix indicate the ordering variant, although detailed electrical limits require the manufacturer datasheet.
Typical applications include system control, bus arbitration, protocol-interface glue logic, industrial automation, instrumentation, and embedded control. In a control design, the CPLD can consolidate fixed logic functions while retaining the option to update the configuration when board requirements evolve. In a timing-sensitive interface, the global-clock structure can help distribute registered logic across the device.
PCB design should preserve the manufacturer-recommended package footprint and verify every power, ground, clock, and I/O connection against the datasheet pinout. Designers should also account for configuration-control timing, unused pins, supply sequencing, and the specified operating voltage. Programming files, pull resistors, clock requirements, and I/O standards must be checked in the applicable device documentation before release to production.
This page consolidates verified manufacturer and distributor references for LC4032C-5T48I, highlights the 32-macrocell and 400MHz positioning, and separates documented facts from parameters requiring engineering confirmation. It is intended to support component identification, sourcing, and design review rather than replace the complete Lattice datasheet.
Drop-in alternatives for LC4032C-5T48I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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Request AlternativesLC4032C-5T48I Maximum Ratings & Electrical Characteristics
| Device Type | SuperFAST High Density PLD |
| Programmable Logic Density | 32 macrocells |
| Maximum Operating Frequency | 400 MHz |
| Propagation Delay | 2.5 ns |
| Supply Voltage Options | 3.3 V / 2.5 V / 1.8 V |
| Programming Type | In-System Programmable |
| Global Clock Inputs | Up to 4 |
| Clock Polarity Control | Programmable |
| Product-Term Routing | 80 PTs per output |
| Package | TQFP |
| Temperature Grade | Industrial |
| Mounting Type | Surface Mount |
| Datalog Programmable | Yes |
LC4032C-5T48I tqfp Pin Configuration Guide
Pin configuration for LC4032C-5T48I (tqfp package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for LC4032C-5T48I.
Refer to the datasheet for full pin configuration.
Typical Applications
LC4032C-5T48I is suitable for 6 applications: Industrial Control Logic, Bus Arbitration and Interface Control, Instrumentation and Measurement Control, Protocol Interface Glue, Embedded System Sequencing, Programmable Fan and Auxiliary Control.
Industrial Control Logic
LC4032C-5T48I fits industrial control boards that need configurable sequencing, state-machine, arbitration, and interface logic in a compact programmable device. Its 32 macrocells provide a useful implementation capacity for fixed control functions, while the 400MHz maximum operating frequency and 2.5ns propagation delay support timing-sensitive paths when the design uses the appropriate clock and routing resources. In-system programmability allows configuration updates during development or field maintenance, reducing the need for a dedicated external controller for every control decision.
Recommended
Bus Arbitration and Interface Control
The LC4032C-5T48I can consolidate bus-request, grant, ready, and protocol-sequencing logic where deterministic programmable behavior is useful. Its 32 macrocells and in-system programmable architecture allow several related state machines to be implemented without relying only on a general-purpose processor. The 2.5ns propagation-delay figure and up to four global-clock inputs provide a basis for clocked arbitration logic, but designers must verify each I/O standard, timing path, and voltage level against the official datasheet before connecting to an external bus.
Recommended
Instrumentation and Measurement Control
LC4032C-5T48I is appropriate for measurement front ends that require trigger sequencing, measurement timing, status encoding, and control outputs close to the sensor interface. The programmable macrocell structure lets designers implement multiple fixed timing and control functions in one device, while in-system programming supports configuration changes during product development. The 400MHz maximum operating frequency is relevant for fast control paths, although analog isolation, input protection, grounding, and calibration sequencing remain system-level responsibilities and must be handled outside the CPLD.
Recommended
Protocol Interface Glue
LC4032C-5T48I can bridge a microcontroller or processor to legacy, parallel, or application-specific interfaces by implementing framing, valid/ready signaling, byte assembly, and timing checks in programmable logic. This is useful when the host processor must handle higher-level control rather than repetitive protocol timing. The device’s 32 macrocells and high-frequency timing capability support compact glue-logic implementations, but the exact package pinout, I/O voltage tolerance, configuration pins, and timing margin must be verified before a board is released.
Recommended
Embedded System Sequencing
LC4032C-5T48I can implement power-up sequencing, reset distribution, watchdog logic, peripheral enable timing, and state-machine coordination around an embedded controller. Its in-system programming makes it useful for configuration storage and controlled updates, while the macrocell array provides deterministic hardware sequencing independent of firmware scheduling. Designers should define all reset states, clock sources, fail-safe outputs, and configuration behavior before programming the device. The verified data confirms the family positioning but does not provide every timing or I/O limit needed for final implementation.
Recommended
Programmable Fan and Auxiliary Control
LC4032C-5T48I can provide compact control logic for fan enable, alarm latching, button debouncing, LED status sequencing, and auxiliary relay or sensor handling. Its programmable structure allows the control behavior to be changed without redesigning the main PCB, and its small logic capacity is appropriate for deterministic peripheral coordination. The TQFP package should be checked for routing density, thermal performance, and exposed-pad requirements. Confirm voltage compatibility for every connected sensor or actuator driver before using the CPLD directly at their interfaces.
Recommended
Recommended Products Summary
Engineering reference data for LC4032C-5T48I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | TQFP |
| Brand | Lattice Semiconductor |
| Programmable Logic Density | 32 macrocells |
| Maximum Operating Frequency | 400 MHz |
| Propagation Delay | 2.5 ns |
| Supply Voltage Options | 3.3 V / 2.5 V / 1.8 V |
| Programming | In-System Programmable |
| Global Clock Inputs | Up to 4 |
Key Differentiators
- High-density programmable logic in a compact device (vs LC4032C-5T48I versus generic discrete logic implementation)
- High operating-frequency positioning (vs LC4032C-5T48I versus slower CPLD families)
- Flexible in-system reconfiguration (vs LC4032C-5T48I versus a fixed-logic implementation)
Design Notes
Use the exact Lattice Semiconductor TQFP footprint and pin numbering rather than a generic TQFP land pattern. Confirm power, ground, configuration, clock, and I/O pins against the official datasheet before routing. Keep configuration and clock paths short, provide the recommended decoupling arrangement, and verify exposed-pad or thermal requirements from the package drawing. The verified search results identify TQFP construction but do not provide a complete pin table, so layout completion requires the manufacturer document.
Treat every external interface as a timing and electrical-design task. Check input thresholds, output drive, I/O standards, rise/fall behavior, capacitive loading, and board-level termination for each connected signal. Although the device is specified for 3.3V, 2.5V, and 1.8V options, those values do not prove that every pin may tolerate every external voltage. Use the pin-specific limits and recommended operating conditions in the official datasheet.
Do not substitute an LC4032 family MPN based only on the macrocell count or family name. Confirm the complete ordering code, package, speed grade, temperature grade, pinout, supported supply, configuration method, and timing limits. The supplied cross-reference search did not establish a pin-compatible replacement for LC4032C-5T48I, so procurement and engineering approval should use the exact manufacturer part number until compatibility is documented by an authoritative source.
Compliance Information
The supplied verified data does not state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or AEC-Q100 status. These fields remain unknown rather than being inferred from the manufacturer or package.
