LC4032C-5T44C - 400MHz SuperFAST CPLD | Lattice Semiconductor
料号： LC4032C-5T44C ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
LC4032C-5T44C 概述
A complex programmable logic device, or CPLD, is a user-programmable semiconductor that combines configurable logic blocks and programmable interconnect. In the product hierarchy, a CPLD belongs to programmable logic devices alongside FPGAs. Unlike mask-programmed logic, a CPLD can be configured by the end user after manufacture. The LC4032C belongs to Lattice's ispMACH 4000 family, described in the manufacturer datasheet as a blend of the ispLSI 2000 and ispMACH 4A architectures.
The device provides 32 macrocells and up to 80 product terms per output. It includes up to four global clock pins with programmable clock polarity control, enabling deterministic clock distribution across compatible logic functions. The -5 speed designation corresponds to the cited 400 MHz maximum operating frequency, while the C suffix identifies the 1.8 V-capable version within the family's 3.3 V, 2.5 V, and 1.8 V supply options. The 44C package suffix identifies the 44-pin TQFP physical configuration.
In-system programmability permits configuration over the board's programming interface, useful for manufacturing, field updates, and designs that need programmable logic behavior without changing external components. The verified source describes the device as an ispMACH 4032B with 32 macrocells. Exact pin assignments, bank voltage limits, absolute maximum ratings, and package dimensions must be checked against the manufacturer datasheet before schematic sign-off or PCB release.
Typical applications include bus-interface adapters, peripheral controllers, arbitration and decode logic, data-format conversion, industrial control modules, instrumentation front ends, and FPGA glue logic. Its 2.5 ns propagation delay is valuable where combinational decisions must settle rapidly, while the 400 MHz ceiling supports demanding clocked logic when board-level timing budgets allow.
Design with this CPLD using the manufacturer pinout and timing constraints. Account for configuration pins, dedicated ground and power pins, decoupling, signal integrity, and programming-interface access. Because its logic performance is highly dependent on routing and architecture, treat the maximum frequency as a device-family headline rather than a guaranteed system-level frequency without timing verification.
This page consolidates the verified distributor listing, family-level performance data, package identity, practical implementation notes, and replacement analysis. It is intended to help engineers evaluate the LC4032C-5T44C and distinguish exact same-package variants from options requiring different footprints, speed grades, temperature grades, or programming-system validation.
直接替换替代料： LC4032C-5T44C ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LC4032C-5T44C （相同外形与封装尺寸） ——差异在于 Architecture, Device Type, Macrocells.
快速对比工具——选择替代料号进行并排对比：
LC4032C-75T44C
✅ 直接替换📋 参考替代料（不在目录中）
LC4032C-5T44I
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →LC4032V-5T44C
✅ 直接替换📋 参考替代料（不在目录中）
LC4032C-5T44C 最大额定值与电气特性
| Device Type | SuperFAST High Density PLD |
| Architecture | ispMACH 4032B |
| Macrocells | 32 macrocells |
| Maximum Operating Frequency | 400 MHz |
| Propagation Delay | 2.5 ns |
| Supply Voltage Options | 3.3 V, 2.5 V, and 1.8 V |
| Product Terms per Output | Up to 80 PTs |
| Global Clock Pins | Up to 4 |
| Clock Polarity Control | Programmable |
| Programming | In-system programmable |
| 封装 | 44-pin TQFP |
| Device Family | ispMACH 4000 |
| 安装类型 | Surface Mount |
LC4032C-5T44C 44-pin tqfp 引脚配置指南
LC4032C-5T44C（44-pin tqfp 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： LC4032C-5T44C.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LC4032C-5T44C 适用于 6 应用s: High-Speed Bus Interface Bridging, Industrial Control and Arbitration Logic, Instrumentation Signal Conditioning, Data Format Conversion and Packing, FPGA and Processor Glue Logic, Embedded System Power and Peripheral Sequencing.
High-Speed Bus Interface Bridging
The LC4032C-5T44C fits bus-interface and protocol-conversion logic where the cited 2.5 ns propagation delay and 400 MHz maximum operating frequency provide useful timing margin. Its 32 macrocells and up to 80 product terms per output can implement address decoding, byte-lane steering, request qualification, and registered control outputs. In-system programmability permits board-level configuration after assembly, which is useful when several product variants share one PCB. Final timing must be verified after mapping because device headline frequency does not guarantee a given board-level bus rate.
推荐
Industrial Control and Arbitration Logic
The LC4032C-5T44C can implement command decoding, interlock logic, arbitration, timing windows, and machine-state sequencing in industrial control equipment. Its 32 macrocells provide deterministic combinational and registered logic, while the 2.5 ns propagation delay helps minimize uncertainty in fast control paths. The 44-pin TQFP supports compact, surface-mount assemblies, and the device family supports 3.3 V, 2.5 V, and 1.8 V options that can align with multiple controller generations. Safety-related use still requires the applicable environmental and functional-safety assessment rather than relying on commercial logic timing alone.
推荐
Instrumentation Signal Conditioning
The LC4032C-5T44C is suitable for front-end digital conditioning such as trigger logic, range selection, channel muxing, calibration-table lookup, and data-format conversion. Its programmable macrocell architecture lets designers replace scattered fixed glue logic with one reconfigurable device, while the 5 ns speed class supports demanding control paths. With up to four global clock pins and programmable clock polarity, the CPLD can distribute related clock domains within its permitted architecture. Confirm input thresholds, I/O standards, timing constraints, and analog-signal isolation against the complete datasheet before connecting to precision measurement circuitry.
推荐
Data Format Conversion and Packing
The LC4032C-5T44C can perform parallel-to-serial formatting, bit-field reordering, lane packing, checksum generation, and asynchronous FIFO control where a small amount of fast programmable logic is preferred over a larger FPGA. The 32-macrocell resource count suits compact glue-logic tasks, and the cited 2.5 ns propagation delay supports short combinational decision paths. In-system programming allows the same hardware to support different interface arrangements. Engineers should map the design and run static timing analysis at the intended clock rate, because board skew, I/O delay, and routing determine whether the headline 400 MHz maximum can be used.
推荐
FPGA and Processor Glue Logic
LC4032C-5T44C can bridge dissimilar interfaces, translate reset or interrupt polarity, qualify asynchronous control signals, and implement address or command decoding between an FPGA, MCU, memory, and external peripherals. Its compact 44-pin TQFP format reduces board area compared with a larger programmable device, while in-system programming simplifies product differentiation. The 400 MHz maximum operating frequency and four available global clocks make it suitable for fast support logic. Validate setup and hold timing against the companion devices and avoid using unsupported I/O voltage combinations without explicit datasheet confirmation.
推荐
Embedded System Power and Peripheral Sequencing
The LC4032C-5T44C can implement power-up sequencing, peripheral-chip-select generation, reset generation, and programmable power-good interlocks around microcontrollers or SoCs. In-system programming permits the sequencing table to be updated during production or maintenance, while the 2.5 ns propagation delay supports deterministic control of closely spaced events. The 1.8 V, 2.5 V, and 3.3 V supply options may simplify integration with multiple logic generations, but the exact bank and core voltage arrangement must be confirmed in the datasheet. Do not use the CPLD to load power rails; drive enable or reset signals only within verified I/O limits.
推荐
推荐产品汇总
工程参考数据： LC4032C-5T44C ——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 | LC4032C-75T44C | LC4032C-5T44I | LC4032V-5T44C |
|---|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Package | TQFP-44 | TQFP-44 | TQFP-44 | TQFP-44 |
| Architecture | ispMACH 4032B | 32-macrocell CPLD | SuperFAST high-density PLD | 32-macrocell CPLD |
| Programming | In-system programmable | In-system programmable | In-system programmable | In-system programmable |
关键差异点
- Faster timing than the 7.5 ns same-package option （对比 LC4032C-75T44C)
- Shared 5 ns speed class in an identical 44-pin package designation （对比 LC4032V-5T44C)
- Industrial-grade option within the same speed and package family （对比 LC4032C-5T44I)
设计说明
Do not assume that matching package dimensions guarantees a drop-in replacement. LC4032C-5T44C alternatives with the 44-pin TQFP designation still require comparison of pin names, power-bank arrangement, I/O standards, configuration pins, dedicated inputs, and programming signals. The 48-pin LC4032V-5TN48I and LC4032V-75TN48I options are excluded because their package pin count differs. Treat the JEDEC-style package drawing as necessary but not sufficient for substitution.
Route clock and high-speed I/O nets with short paths, continuous return references, and protection from adjacent switching signals. Although the family supports up to four global clock pins with programmable polarity, the datasheet determines which pins are dedicated global clocks and how each architecture routes them. Use series damping only when signal-integrity simulations or measured ringing justify it, and respect the manufacturer’s recommended input and output drive configuration.
Assign the correct supply voltage from the verified 3.3 V, 2.5 V, or 1.8 V options only after checking the exact datasheet power tables. Place required bulk and bypass capacitors close to their associated supply pins, maintain a low-impedance ground plane, and separate noisy switching-regulator paths from programming and clock nets. Capacitor values, allowable voltage combinations, and power-up sequencing requirements are unavailable in the supplied data and must be taken directly from Lattice documentation.
合规信息
The supplied verified results do not include a component-level compliance declaration. Compliance values remain unknown rather than being inferred from manufacturer identity or package type.