LC4064C-5T44I - 64-Macrocell 5 ns CPLD | Lattice Semiconductor
MPN: LC4064C-5T44I ✗ انتهى عمره الإنتاجيLC4064C-5T44I نظرة عامة
A CPLD is a programmable-logic device within the broader FPGA and CPLD hierarchy. Its internal macrocells and programmable interconnect are configured to implement combinational and registered logic functions, making it useful for control logic, interface adaptation, glue logic, signal conditioning, and system-level sequencing. Compared with a discrete gate-array implementation, a CPLD allows the logic map, interconnections, and I/O behavior to be changed without changing the PCB layout.
The verified LC4064C-5T44I information identifies 64 macrocells, four internal logic blocks, a 5 ns propagation-delay grade, 30 I/O pins, in-system programmability, and a 44-pin TQFP package. The 5 ns speed grade is the principal selection criterion for timing-sensitive control paths. The -40°C to 105°C junction-temperature specification supports industrial temperature-range designs, provided that the package, power dissipation, and system thermal limits are evaluated together.
Typical uses include industrial control, communication-interface logic, peripheral bridging, and compact embedded control systems. In these applications, the CPLD can consolidate multiple fixed-function gates into one configurable device, reduce the number of discrete ICs, and provide a hardware upgrade path when interface requirements change.
The principal design consideration is timing closure. Designers should use the device's published AC timing data, pin constraints, and power-supply requirements from the manufacturer datasheet rather than relying only on the 5 ns headline number. The PCB must also provide a clean programming interface and adequate routing for the selected I/O standards.
This page combines the verified distributor and manufacturer-result specifications with selection guidance, design cautions, and sourcing context. It does not infer undocumented electrical limits, pricing, pin assignments, or lifecycle claims that are absent from the supplied verification data.
بدائل مباشرة لـ LC4064C-5T44I — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع LC4064C-5T44I (نفس عامل الشكل والبصمة) — يختلف في Device Type, Propagation Delay, Speed Grade.
LC4064C-75T44I
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
LC4064V-5T44I
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←LC4064C-5T44I الحدود القصوى والخصائص الكهربائية
| Device Type | ispMACH 4000C CPLD |
| Macrocell Count | 64 macrocells |
| Propagation Delay | 5 ns |
| Internal Logic Blocks | 4 logic blocks |
| I/O Pin Count | 30 I/O pins |
| العلبة | 44-pin TQFP |
| Programming | In-system programmable |
| Supported Programming Supply Levels | 3.3 V / 2.5 V / 1.8 V |
| Junction Temperature Range | -40°C to 105°C |
| نوع التركيب | Surface mount |
| Number of Terminals | 44 |
| Package Code | TQFP |
| Package Shape | Square |
| Terminal Form | Gull wing |
| Minimum Supply Voltage | 1.65 V |
| Series | ispMACH 4000C |
| RoHS Compliance | unknown |
| REACH Compliance | unknown |
| AEC-Q100 Qualification | unknown |
| Lead-Free Status | unknown |
| Halogen-Free Status | unknown |
دليل تكوين أطراف LC4064C-5T44I square
تكوين الأطراف لـ LC4064C-5T44I (حزمة square). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ LC4064C-5T44I.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
LC4064C-5T44I مناسب لـ 6 التطبيقs: Industrial Control and Sequencing, Communication Interface Adaptation, Peripheral Bridging and Glue Logic, LED and Display Control, Motor and Actuator Control, Programmable Test and Measurement Logic.
Industrial Control and Sequencing
The LC4064C-5T44I fits compact industrial control logic because its 64 macrocells and four internal logic blocks can consolidate sequencing, interlocks, state machines, and discrete control functions. The 5 ns propagation-delay grade provides useful timing margin for control paths, while the verified -40°C to 105°C junction-temperature range supports temperature-tolerant equipment. The device is normally placed between sensors or field interfaces and a host processor, using its 30 I/O pins for inputs, outputs, and control signals. In-system programming allows production configuration and later logic updates without board respins. Designers should verify the exact I/O timing, supply levels, and output-drive limits in the manufacturer datasheet for the deployed industrial environment.
موصى به
Communication Interface Adaptation
The LC4064C-5T44I is suitable for communication-interface adaptation where legacy signals, protocol framing, and control logic must be consolidated into a configurable device. Its 30 I/O pins provide connections for serial data, handshake signals, chip selects, and status indicators, while the 5 ns grade supports deterministic combinational and registered paths. The TQFP-44 package can also be suitable for compact multi-layer boards, although routing density and signal-integrity margins must be checked carefully. For a design that bridges processor peripherals to legacy logic, the CPLD can translate pin states, implement handshake timers, and mask asynchronous inputs. Programming should be included early in the firmware and production-test process so that field updates remain predictable.
موصى به
Peripheral Bridging and Glue Logic
The LC4064C-5T44I can implement peripheral bridging and glue logic for systems that need several fixed functions between a processor and external devices. Its 64 macrocells provide enough logical capacity for address decoding, bus arbitration, interrupt qualification, command sequencing, and signal inversion without requiring several separate gate packages. The 5 ns propagation-delay specification is the key reason to consider this grade instead of a slower option when the interface has a defined clock or handshake budget. The designer should establish a timing budget for each implemented path and avoid using headline delay alone as proof of system timing. In-system programmability is especially valuable when a product family shares one PCB but requires different connector, bus, or firmware configurations.
موصى به
LED and Display Control
The LC4064C-5T44I can consolidate LED multiplexing, display scanning, button decoding, and status-control logic in embedded panels. Its 30 I/O pins allow multiple display segments, keypad inputs, and indicator outputs to be coordinated by one configurable device, while the 5 ns grade can accommodate short combinational decode paths. The TQFP-44 package is practical for compact control boards, and in-system programming enables different indicator maps or display sequences to be loaded during manufacturing. A practical implementation should separate logic timing from LED current: the CPLD controls patterns, while transistor or driver stages carry the load. Verify output-drive, supply, and I/O voltage specifications in the manufacturer datasheet rather than treating the CPLD as a direct high-current LED driver.
موصى به
Motor and Actuator Control
The LC4064C-5T44I is appropriate for small actuator-control subsystems that require deterministic interlocks, limit handling, and timing between sensors and drivers. With 64 macrocells and four logic blocks, it can combine state-machine behavior, pulse qualification, fault latching, and emergency-disable paths. The 5 ns propagation-delay grade helps keep control-response calculations understandable, but the overall response time is dominated by sensor, relay or transistor, and mechanical delays. The CPLD should therefore be treated as a timing coordinator rather than as the power stage itself. Use it to enforce safe sequencing and mutually exclusive outputs, and validate every actuator path with worst-case timing and fault-mode analysis using the manufacturer electrical limits.
موصى به
Programmable Test and Measurement Logic
The LC4064C-5T44I can implement programmable trigger, routing, and sequencing logic in compact test or measurement equipment. Its 64 macrocells are suitable for coordinating measurement-enable signals, mux control paths, status flags, and communication handshakes, while the 5 ns speed grade supports short timing-control paths. The compact TQFP-44 format helps conserve board area in multi-channel systems, and in-system programming allows different test sequences to be loaded according to product configuration. For high-speed analog or RF instrumentation, the CPLD should not be assumed to replace dedicated timing or signal-conditioning hardware. Instead, use it for deterministic orchestration around those blocks, and verify input thresholds, output timing, and supply requirements against the manufacturer datasheet.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ LC4064C-5T44I — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | LC4064C-75T44I | LC4064V-5T44I |
|---|---|---|---|
| Package | 44-pin TQFP | 44-pin TQFP | 44-pin TQFP |
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Device Family | ispMACH 4000C | LC4064C family | LC4064V family |
| Propagation Delay | 5 ns | 7.5 ns indicated by speed grade | 5 ns indicated by speed grade |
أبرز الفروقات
- Faster speed grade than the related 7.5 ns LC4064C candidate (مقابلLC4064C-75T44I)
- Documented 64-macrocell architecture for the target device (مقابلLC4064V-5T44I)
- Thirty user I/O pins in a compact 44-pin TQFP (مقابلLC4064C-75T44I)
ملاحظات التصميم
Do not treat a matching TQFP package name as proof of drop-in compatibility. The LC4064C-75T44I and LC4064V-5T44I are related candidates, but the supplied evidence does not include complete pin tables, I/O standards, AC timing, or power specifications for either candidate. Before substituting a part, compare the 44-pin land pattern, power and ground pins, programming interface, user-I/O positions, input thresholds, output-drive ratings, and every timing constraint in the design.
Build the timing budget from the actual implemented path rather than from the 5 ns device headline alone. Account for external clock skew, input setup and hold requirements, output delay, interconnect delay, and the receiving device's requirements. The 5 ns propagation-delay figure establishes the CPLD grade, but it does not by itself guarantee a particular board-level frequency margin. Use the manufacturer timing tables and conservative clock constraints for the complete system.
Reserve the programming interface and provide the supply connections required for the selected configuration method. Because this is a 44-pin TQFP with 30 user I/O pins, power, ground, configuration, and other dedicated pins account for the remaining terminals. Follow the manufacturer's recommended decoupling and layout guidance, keep programming signals away from sensitive analog or high-speed routing where practical, and validate the assembled board with the intended programming fixture.
معلومات الامتثال
The supplied excerpts do not explicitly state compliance for this exact MPN. Related comparison pages mention RoHS and REACH, but those statements are not accepted as extracted evidence for the target part.