LC4032V-5T44I - Fast 3.3V In-System CPLD | Lattice
料号： LC4032V-5T44I ✗ 停产LC4032V-5T44I 概述
A CPLD is a programmable-logic semiconductor that combines a non-volatile configuration architecture with deterministic timing and in-system programming. In the product hierarchy, this component belongs to the CPLD family within programmable logic, alongside FPGA and other programmable-logic devices. Its principal engineering advantage is that an existing PCB can be revised without replacing the device when the programmed logic or interface requirements change.
The LC4032V-5T44I combines in-system programmability with support for three principal supply levels. The 5 ns speed designation identifies it for timing-sensitive logic implementations, while the 3.3 V, 2.5 V, and 1.8 V capability allows designers to connect it to mixed-voltage system interfaces. Its 44-pin TQFP package provides a standard surface-mount assembly option, and the specified -40 °C to 105 °C junction-temperature range supports industrial equipment.
The device is part of Lattice Semiconductor’s SuperFAST high-density PLD family and is intended for designs requiring compact, deterministic programmable logic rather than a large FPGA. In-system programming supports design iteration and production programming without relying on a separate dedicated configuration device. The verified source data does not provide detailed macrocell, pin, timing, or power specifications, so those values should be confirmed in the complete Lattice Semiconductor datasheet before release.
Typical uses include bus-interface logic, industrial control and automation, embedded system glue logic, communications-interface conditioning, and general-purpose PCB logic consolidation. The 44-pin TQFP package is particularly suitable for moderate-complexity designs where a fine-pitch BGA would complicate assembly and inspection.
Designers should verify the complete pinout, supported I/O standards, recommended decoupling, configuration behavior, and AC timing specifications in the manufacturer datasheet. Because the verified excerpts do not expose the pin table, this product page does not infer individual pin assignments or provide a reconstructed pinout.
This page combines the verified distributor and manufacturer-document links with same-family drop-in candidates, sourcing details, package information, pricing availability, and practical engineering guidance. It clearly separates documented facts from parameters that still require confirmation from the full manufacturer datasheet.
直接替换替代料： LC4032V-5T44I ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
LC4032V-5TN44I
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
LC4032V-5TN44C
✅ 直接替换📋 参考替代料（不在目录中）
LC4032V-10T44I
✅ 直接替换📋 参考替代料（不在目录中）
LC4032V-10TN44I
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
LC4032B-10T44I
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
LC4032V-5T44I 最大额定值与电气特性
| Device Type | Complex Programmable Logic Device (CPLD) |
| Architecture | In-System Programmable SuperFAST High Density PLD |
| Supported Supply Levels | 3.3 V, 2.5 V, and 1.8 V |
| Internal Supply Voltage Range | 3 V to 3.6 V |
| Speed Grade | 5 ns class |
| Programmability | In-System Programmable |
| 工作结温 | -40 °C to +105 °C |
| Package Type | 44-pin TQFP |
| Package Dimensions | 10 mm x 10 mm |
| 安装类型 | Surface Mount |
LC4032V-5T44I 10 mm x 10 mm 引脚配置指南
LC4032V-5T44I（10 mm x 10 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： LC4032V-5T44I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LC4032V-5T44I 适用于 6 应用s: Industrial Automation Control Logic, Embedded System Glue Logic, Communications Interface Conditioning, Bus Interface and Signal Conditioning, Programmable Timing and Control Logic, PCB Logic Consolidation.
Industrial Automation Control Logic
The LC4032V-5T44I fits industrial automation designs that need deterministic, reconfigurable interface logic close to sensors, actuators, and controllers. Its verified -40 °C to 105 °C junction-temperature range supports industrial ambient conditions, while the 5 ns-class option provides margin for timing-sensitive handshake, interlock, and signal-conditioning logic. In-System Programmable operation allows firmware or production-test updates without replacing the IC. The 44-pin TQFP package also avoids the assembly complexity of a fine-pitch BGA. Design engineers must still verify the complete timing tables, I/O voltage limits, noise margins, and isolation requirements against the final industrial control topology.
推荐
Embedded System Glue Logic
The LC4032V-5T44I is suitable for consolidating protocol conversions, interrupt handling, bus arbitration, and peripheral interfacing into one programmable-logic device. Its in-system programmability permits field updates when firmware interfaces evolve, while the 3.3 V, 2.5 V, and 1.8 V support provides flexibility in mixed-voltage embedded systems. The 5 ns-class speed designation is useful for synchronous control paths that cannot tolerate excessive propagation delay. Because the supplied excerpts do not state the exact logic-element count, I/O count, or supported interface standards, the designer must confirm capacity and electrical compatibility in the full Lattice Semiconductor datasheet before finalizing the system partition.
推荐
Communications Interface Conditioning
The LC4032V-5T44I can be used beside a communications controller to implement framing logic, byte alignment, status decoding, or level-aware signal conditioning. The 5 ns-class device is appropriate where the programmable-logic section operates as a synchronous pipeline between an external interface and a processor or FPGA. In-System Programmable configuration allows interface revisions without relocating the assembly, which is valuable during protocol qualification. Its 44-pin TQFP package provides a practical surface-mount solution for moderate I/O density. Final design approval requires checking actual pin assignment, bank voltage, input thresholds, output drive, and supported communication standards against the complete manufacturer documentation.
推荐
Bus Interface and Signal Conditioning
The LC4032V-5T44I is a practical choice for translating asynchronous or mismatched logic levels into the control signals expected by a system controller. Supporting 3.3 V, 2.5 V, and 1.8 V operation gives the designer options for integration with multiple logic families, subject to the per-bank restrictions in the complete datasheet. The fast 5 ns-class option helps preserve timing margin in registered adaptation logic, while in-system programming enables corrections discovered during board bring-up. The 44-pin TQFP outline simplifies visual inspection and conventional surface-mount assembly. Engineers should still validate contention, rise and fall times, fanout, and I/O-current limits rather than assuming every voltage combination is directly compatible.
推荐
Programmable Timing and Control Logic
The LC4032V-5T44I can implement deterministic timers, state machines, pulse stretchers, and sequencing controls where a microcontroller requires dedicated hardware behavior. The 5 ns-class speed designation provides a useful starting point for short combinational paths and clocked control logic. In-System Programmable capability supports design iteration and production programming, reducing the need to change a microcontroller firmware for every logic correction. Its specified -40 °C to 105 °C junction range is suitable for many industrial, communications, and embedded applications. Final implementation must use the datasheet timing diagrams, setup and hold requirements, clock limits, and recommended input and output conditioning rather than relying only on the speed-grade suffix.
推荐
PCB Logic Consolidation
The LC4032V-5T44I can replace multiple fixed-function logic components when a design requires decoding, multiplexing, or control functions that benefit from one programmable device. Consolidating these functions into a CPLD can reduce board area and simplify revision control, while in-system programming permits last-minute logic corrections without a package change. The 44-pin TQFP package provides a practical balance between device size and assembly accessibility. The verified material identifies the part as a high-density SuperFAST PLD but does not expose its exact macrocell or I/O capacity, so designers must perform a complete resource and pin-utilization check. This prevents a nominally similar replacement from exceeding available logic or violating a particular I/O voltage requirement.
推荐
推荐产品汇总
工程参考数据： LC4032V-5T44I ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LC4032V-5TN44I | LC4032V-5TN44C | LC4032V-10T44I | LC4032V-10TN44I | LC4032B-10T44I |
|---|---|---|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Package | 44-pin TQFP (10 mm x 10 mm) | 44-pin TQFP (10 mm x 10 mm) - same | 44-pin TQFP (10 mm x 10 mm) - same | 44-pin TQFP (10 mm x 10 mm) - same | 44-pin TQFP (10 mm x 10 mm) - same | 44-pin TQFP (10 mm x 10 mm) - same |
| Device Type | In-System Programmable CPLD | LC4032V-family CPLD | LC4032V-family CPLD | LC4032V-family CPLD | LC4032V-family CPLD | LC4032-family CPLD |
| Speed Grade | 5 ns class | 5 ns class - same | 5 ns class - same | 10 ns class - 5 ns or 100% slower | 10 ns class - 5 ns or 100% slower | 10 ns class - 5 ns or 100% slower |
| Package Dimensions | 10 mm x 10 mm | 10 mm x 10 mm | 10 mm x 10 mm | 10 mm x 10 mm | 10 mm x 10 mm | 10 mm x 10 mm |
关键差异点
- Faster ordering-class speed designation （对比 LC4032V-10T44I)
- Industrial I-grade temperature option （对比 LC4032V-5TN44C)
- Three documented supply-level options （对比 LC4032B-10T44I)
设计说明
Treat the LC4032V-5T44I as a mixed-voltage programmable-logic device and route supply, ground, configuration, clock, and I/O nets according to the bank assignments in the complete Lattice Semiconductor datasheet. Place decoupling capacitors at the package power pins and maintain short, direct return paths to the ground plane. The supplied excerpts confirm a 44-pin TQFP package but do not specify the pin table or recommended capacitor network, so exact placement and values must be taken from the manufacturer layout guidance rather than guessed.
Use the 5 ns speed designation to identify the timing class, not as a substitute for the complete timing table. Check setup and hold requirements, propagation delay, skew, output rise and fall times, and operating-voltage corners for every implemented path. Slow-speed alternatives marked 10 ns may provide additional nominal margin relative to the target designation, but replacing the target with a slower grade requires recalculating system timing and verifying that the full pinout and electrical configuration remain unchanged.
Do not assume that similar LC4032 ordering codes are automatically interchangeable. The target LC4032V-5T44I differs from candidates such as LC4032V-5TN44C and LC4032V-10T44I in one or more suffix-defined characteristics, including speed or temperature grade. Before substitution, compare the manufacturer ordering guide, package drawing, pin table, voltage banks, configuration pins, and absolute maximum ratings. A matching TQFP outline alone does not prove functional drop-in compatibility.
Preserve a clean programming and test path for the In-System Programmable interface. Keep configuration traces away from noisy switching nodes, provide a stable supply during programming, and follow the manufacturer's recommendation for unused pins. Because no configuration pin table or board-layout drawing was present in the verified excerpts, avoid assigning pull-up, pull-down, or no-connect treatment based solely on general CPLD practice. Confirm those details in the complete Lattice Semiconductor package and programming documentation.
合规信息
The verified excerpts identify the device as an industrial-temperature CPLD but do not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is not applicable because this is a programmable-logic device rather than an automotive-qualified component.