LC4032B-5T48I - 400MHz 32-Macrocell CPLD | Lattice
MPN: LC4032B-5T48I ✗ Cuối đờiLC4032B-5T48I Tóm tắt
A complex programmable logic device, or CPLD, is a programmable digital integrated circuit that combines nonvolatile logic storage, configurable macrocells, and programmable interconnect resources. A CPLD occupies the hierarchy between basic programmable array logic and more complex programmable systems. Its electrically erasable configuration allows a finished PCB to be programmed or reprogrammed without replacing the device.
The LC4032B family is positioned for fast deterministic logic. Verified source data identifies up to four global clock pins, programmable clock-polarity control, and as many as 80 product terms per output. These features allow multiple clock domains, registered control logic, bus arbitration, address decoding, and interface bridging to be consolidated in one configurable device. In-system programmability also supports production programming, field upgrades, and design revisions after PCB assembly.
The -5 speed designation corresponds to the verified maximum frequency of 400 MHz and propagation delay of 2.5 ns. The industrial suffix identifies the ordering variant, but exact junction-temperature limits, current consumption, and absolute maximum ratings were not included in the supplied verified records and are therefore not inferred here. Designers should use the manufacturer datasheet for timing constraints, pin states, power-up behavior, AC/DC limits, and programming requirements before release to production.
Typical uses include industrial control, communication interfaces, test equipment, data acquisition, peripheral control, and compact high-speed logic blocks. At 32 macrocells, the device is most appropriate for moderate-density designs where deterministic timing, simple integration, and in-system reconfiguration are more valuable than the routing capacity and register resources of a large FPGA.
The primary design consideration is timing closure. External interfaces should be assigned to pins with compatible standards, clock and reset distribution must follow the datasheet topology, and unused pins must remain in their specified safe states. Timing constraints should be applied to the actual tool version and design because device speed, interconnect paths, product-term routing, and registered or combinational assignments determine final system performance.
This page combines the verified device summary, source links, structured technical specifications, application guidance, and honest replacement analysis. It also separates confirmed facts from missing parameters so procurement and engineering teams can identify what must be checked in the manufacturer documentation before PCB release.
Bộ thay thế dễ dàng lắp đặt cho LC4032B-5T48I — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với LC4032B-5T48I (cùng hình factor và footprint) — khác nhau ở Package.
LC4032B-5TN48I
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LC4032B-5T48C
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →LC4032ZC-75T48C
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LC4032ZE-7TN48C
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LC4032B-5T48I Tỷ lệ tối đa & tính chất điện
| Device Type | In-system-programmable SuperFAST high-density PLD |
| Device Category | CPLD |
| Macrocells | 32 macrocells |
| Maximum Operating Frequency | 400 MHz |
| Propagation Delay | 2.5 ns |
| Supported Supply Levels | 3.3 V, 2.5 V, and 1.8 V |
| Global Clock Inputs | Up to 4 global clock pins |
| Clock Polarity | Programmable |
| Product Terms per Output | Up to 80 PTs |
| Configuration Method | In-system programmable |
| Hộp | 48-lead TQFP |
| Kiểu lắp đặt | Surface mount |
| Speed Grade | -5 |
| Temperature Grade | Industrial suffix |
Hướng dẫn cấu hình chân LC4032B-5T48I 48-lead tqfp
Cấu hình chân cho LC4032B-5T48I (48-lead tqfp gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho LC4032B-5T48I.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
LC4032B-5T48I phù hợp cho 6 Áp dụngs: Industrial Control Logic, Communication Interface Consolidation, Data-Acquisition Control, Test and Measurement Instrumentation, Embedded System Peripheral Control, Programmable Clock and Logic Hub.
Industrial Control Logic
The LC4032B-5T48I fits compact industrial-control logic where deterministic programmable functions must combine clocking, state machines, interlocks, and I/O remapping. Its verified 400 MHz maximum operating frequency provides timing headroom for moderately fast control paths, while 32 macrocells and up to 80 product terms per output provide routing flexibility without moving to a large FPGA. In-system programmability allows production configuration or controlled field updates after board assembly. The industrial suffix is useful for device selection, but engineers must confirm the exact operating-temperature limits, supply rails, I/O standards, and ESD ratings in the complete datasheet before deployment.
Được đề xuất
Communication Interface Consolidation
The LC4032B-5T48I is useful for consolidating deterministic protocol state machines, framing logic, buffer management, and programmable clock-domain crossings in communications equipment. The device supports up to four global clock inputs with programmable polarity, allowing related clocked functions to receive controlled clock assignments instead of relying only on general routing. Its 2.5 ns propagation-delay rating supports high-speed logic compared with many traditional PAL-style devices. For a production interface, engineers must verify pin-level I/O voltage support, input thresholds, output drive, timing constraints, and whether the selected package exposes all required signals.
Được đề xuất
Data-Acquisition Control
The LC4032B-5T48I can implement acquisition sequencing, channel control, trigger routing, data-ready signaling, and test-interface multiplexing in compact data-acquisition systems. Its 32 macrocells are suitable for moderate glue-logic density, while the 400 MHz maximum operating frequency allows control paths to be constrained above slower peripheral logic. In-system programming supports repeatable factory configuration and simplified revisions. Actual signal integrity depends on the selected I/O standards, board topology, and external device timing, none of which were supplied, so final designs should use the complete pinout and AC timing tables rather than the family summary alone.
Được đề xuất
Test and Measurement Instrumentation
The LC4032B-5T48I fits instrument-control blocks that coordinate switches, triggers, status flags, timing gates, and front-panel interfaces. In-system programmability permits a common PCB to support multiple test configurations, while the verified 2.5 ns propagation delay and 400 MHz family rating provide substantial margin for fast digital coordination. Designers should use global clock pins for instrumentation-sensitive timing and apply explicit frequency, setup, and hold constraints in the CPLD tool. The device should not be treated as a universal pin-compatible replacement until its exact 48-lead pinout and I/O ratings have been matched to the target instrument architecture.
Được đề xuất
Embedded System Peripheral Control
The LC4032B-5T48I can serve as a peripheral controller beside a microcontroller or processor by decoding interrupts, multiplexing buses, sequencing resets, and controlling discrete I/O. Its 32-macrocell capacity keeps moderate fixed-logic functions separate from the host processor, reducing software overhead and producing deterministic hardware timing. The same 48-lead package still requires careful budgeting of clock, programming, supply, and I/O pins. For new designs, verify pin multiplexing, boot configuration behavior, supported I/O standards, and programming-interface requirements before assigning the LC4032B-5T48I a board-level role.
Được đề xuất
Programmable Clock and Logic Hub
The LC4032B-5T48I is appropriate for a programmable clock-and-logic hub that selects, conditions, and distributes control signals to multiple downstream sections. Its verified support for up to four global clock pins and programmable clock polarity makes it more useful for multi-clock designs than an unstructured generic PLD. The 32 macrocells and up to 80 product terms per output can support clock enables, phase-related state logic, and deterministic qualification paths. Engineers must still create complete timing constraints, check duty-cycle and setup requirements for every source, and ensure that the selected package exposes the intended clock and configuration pins.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho LC4032B-5T48I — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | LC4032B-5TN48I | LC4032B-5T48C | LC4032ZC-75T48C | LC4032ZE-7TN48C |
|---|---|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Package | 48-lead TQFP | TQFP-48 | TQFP-48 | TQFP-48 | TQFP-48 |
Bảo phân biệt quan trọng
- High verified family speed (vsLC4032ZC-75T48C)
- Directly verified architecture and routing (vsLC4032ZE-7TN48C)
- Verified three-level supply support (vsLC4032B-5T48C)
Ghi chú thiết kế
Apply explicit clock, setup, and hold constraints for every external interface and use the verified 400 MHz maximum frequency as a family rating, not a guarantee for every routing path. Assign clock-sensitive logic to the supported global clock inputs, select polarity deliberately, and inspect post-fit timing reports for actual interconnect delays. The supplied records do not include the full pin table or I/O timing tables, so PCB edge rates, drive strength, input thresholds, and series termination must be checked against the complete manufacturer datasheet.
Do not treat ordering-code variants as interchangeable solely because they contain LC4032B and 48-pin notation. Confirm the significance of I, N, ZC, ZE, -5, -7, and C with the manufacturer ordering guide, then compare the numbered 48-pin diagram, configuration pins, supply pins, I/O standards, and timing limits. A placeholder or unbonded pin can prevent programming even when the package name and lead count match. Record the exact approved MPN in firmware-support and purchasing documentation.
Place programming-interface, clock, decoupling, and high-speed I/O routing according to the complete datasheet recommendations. Keep the configuration path short and protected from noisy adjacent nets, provide stable supplies before programming, and preserve access to test or ISP pads for manufacturing support. The verified data confirms in-system programmability but does not supply a reference PCB or pinout, so pad assignment, trace lengths, grounding, and programming-voltage levels must be validated against the manufacturer package drawing.
Estimate the device's dynamic and static power only after obtaining the validated current table for the selected core and I/O voltages, operating frequency, pin utilization, and toggle rate. The verified record identifies 1.8 V, 2.5 V, and 3.3 V support, but it does not provide current limits or supply topology. Use conservative rail sequencing and the datasheet decoupling values; do not infer power consumption from the 400 MHz frequency rating alone.
Thông tin tuân thủ
No authoritative compliance statements were included in the supplied target-part records. A comparison search mentions RoHS and REACH for other LC4032 variants, but those statements are not transferred to LC4032B-5T48I.
