PLDs (Programmable Logic Device)
PLDs (Programmable Logic Devices) provide user-configurable digital logic functions including SPLDs (PALs, GALs) and older-generation programmable devices for legacy system replacements and simple combinational/sequential logic. Available from Lattice, Microchip, and TI.
Product Series & Base Models
Navigate by model series to compare ordering variants and technical specifications within the PLDs (Programmable Logic Device) family.
Browse PLDs (Programmable Logic Device) Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| TICPAL22V10Z-25CFN | Texas Instruments | — | 1,246 | |
| TIBPAL22V10ACNT | Texas Instruments | — | 1,800 | |
| TIBPAL20R8-10CFN | Texas Instruments | — | 2,795 | |
| TIBPAL16R6-7CN | Texas Instruments | — | 2,118 | |
| TIBPAL20L8-5CNT | Texas Instruments | — | 2,884 | |
| TIBPAL16L8-30MJB | Texas Instruments | — | 2,025 | |
| TIBPAL16L8-30MFKB | Texas Instruments | — | 2,408 | |
| TIBPAL16L8-25CN | Texas Instruments | — | 5,700 |
Top PLDs (Programmable Logic Device) Manufacturers
Microchip Technology
Microchip Technology PLDs (Programmable Logic Device) products are available for part-number review, stock checks, and RFQ support.
67,462 products
Texas Instruments
Texas Instruments PLDs (Programmable Logic Device) products are available for part-number review, stock checks, and RFQ support.
84,045 productsAbout PLDs (Programmable Logic Device)
Programmable Logic Device (PLD) ICs include simple PLDs (SPLDs), Programmable Array Logic (PAL), and Gate Array Logic (GAL) components that represent the foundational generation of user-configurable digital logic. While largely superseded in high-complexity designs by CPLDs and FPGAs, PLDs remain essential, highly cost-effective components for replacing discrete TTL/CMOS logic gates, implementing basic state machines, and performing address decoding in legacy industrial, telecommunication, and military hardware.
PLDs offer deterministic propagation delays, instant-on functionality, and high electrical robustness. Selection criteria are based on input/output pin counts, logic array size (gates/flip-flops), operating voltage (typically 3.3V or 5V), speed grades, and package footprints (PLCC, DIP, SOIC).
On Octatronics, source high-quality replacement and legacy PLDs from leading manufacturers including Lattice Semiconductor, Microchip Technology, and Texas Instruments. Check part availability, cross-references, and submit bulk RFQs online.
Frequently Asked Questions
Octatronics can help source a wide range of PLDs (Programmable Logic Device) from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.
Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.
Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.
Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.
Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.
Articles & Technology
View All →
Circuit Board Component Identification: How to Identify PCB Components by Markings, Shape, and Codes
Circuit board component identification means recognizing PCB parts by their reference designators, physical appearance, body markings, polarity marks, package type, and electrical function. The fastest way to identify a component is to start with the PCB silkscreen, match the reference letter to a component type, inspect its shape and package, read any value or top marking, then confirm the result with a datasheet, schematic, BOM, or measurement tool. This guide explains how to identify common PCB components such as resistors, capacitors, inductors, diodes, transistors, MOSFETs, ICs, connectors, fuses, relays, crystals, and test points. It also includes practical examples, common marking codes, polarity clues, mistakes to avoid, and a replacement sourcing checklist.
IC Top Marking Codes Explained: How to Identify SMD Chips from Package Markings
IC top marking codes are abbreviated package markings used to identify semiconductor devices, especially small SMD chips that cannot fit a full part number. Buyers should use the marking as a starting point, then verify manufacturer logo, package, pin count, date code, lot code, datasheet, packing label, and supplier documentation. Official manufacturer marking tools and datasheets should be used before relying on third-party SMD code databases.
STM32F103C8T6 Datasheet, Pinout, Specs, and LQFP-48 Package Guide
STM32F103C8T6 is a popular STMicroelectronics 32-bit ARM Cortex-M3 microcontroller in an LQFP-48 package. This guide summarizes its datasheet, pinout groups, key specifications, package details, applications, and sourcing notes.
How to Find Pin-Compatible Alternatives for Obsolete ICs
Finding a pin-compatible alternative for an obsolete IC is not just about matching the package. It requires a structured review of pinout, footprint, electrical parameters, functional behavior, lifecycle status, sourcing reliability, and sample validation.
Pin-to-Pin Replacement Parts: How to Check Compatibility Before Sourcing
When an original electronic component becomes obsolete, unavailable, or too expensive, a pin-to-pin replacement part can help avoid PCB redesign and keep production or repair projects moving. However, pin-to-pin compatibility does not automatically mean the part is a safe drop-in replacement. This guide explains how to check package, footprint, pinout, electrical ratings, thermal performance, timing behavior, firmware requirements, compliance status, and lifecycle risk before sourcing replacement parts. It also provides a practical checklist to help engineers, buyers, and maintenance teams reduce sourcing mistakes and verify compatibility before purchase.
How to Choose Electronic Components for Reliable Hardware Design
Learn how to choose electronic components for reliable hardware design, including specifications, lifecycle status, sourcing risks, quality checks, and BOM optimization.