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You might think memory chips are old-school, but ROM and EEPROM devices like Microchip’s 24LC series are everywhere — from small hobby projects and industrial controllers to automotive modules and legacy device repairs. These chips store firmware, calibration data, and configuration settings that must survive power cycles and harsh environments. If you're building or repairing electronics in Denmark, knowing where to buy authentic parts, get good prices, and find the right package is half the battle.
Not all memory chips are created equal. EEPROMs such as the Microchip 24LC256, 24LC512, 24LC1025 and 24LC65 differ by capacity, page size, package type (SOIC-8, PDIP-8, etc.), and voltage tolerance. For example, the 24LC256 offers 256 Kbit organized as 32K x 8, while the 24LC1025 brings 1 Mbit in a more complex addressing scheme. Choosing the right chip depends on your firmware size, read/write endurance requirements, and whether you need surface-mount or through-hole packages for prototyping versus production.
Computersalg.dk is a popular Danish retailer for electronic components and computer parts. They stock a range of Microchip EEPROMs and compatible ICs, often listing multiple package options like SOIC-8 and PDIP-8. If you prefer a locally based supplier with straightforward product listings and Danish-language support, Computersalg is worth checking. Their inventory typically includes both small quantities suitable for hobbyists and larger quantities for small-scale production runs.
Computersalg’s catalog often highlights common part numbers such as the Microchip 24LC256-i/SN and 24LC512. Expect clear product titles and basic specs, but you may still need to check datasheets for pinouts and timing details. If you need the 24LC1025 in PDIP-8 for breadboarding or the 24LC65 in SOIJ-8 for compact designs, Computersalg can be a convenient option.
Beyond Computersalg, Denmark has several reputable retailers and distributors that are good for sourcing ROM and EEPROM parts. Popular names include Proshop, Komplett, Elgiganten, Power, Conrad, Dustin, and specialist component suppliers like RS Components and Electrokit. Each store has strengths — some are better for consumer electronics and flash storage, others focus on discrete components and development parts.
Proshop.dk and Komplett.dk are strong choices if you’re also buying other electronics alongside chips — think development boards, memory modules, USB programmers, or even soldering gear. They sometimes carry small batches of ICs and Microchip-brand components. Pricing is competitive, and shipping across Denmark is fast, which is great when you need parts for a weekend build or urgent repair.
Conrad.dk and RS Components (rs-online.com/dk) are aimed at engineers and hobbyists who need reliable stock of components, including EEPROMs. These suppliers typically offer detailed datasheets, multiple package options, and secure sourcing channels that reduce the risk of counterfeit parts — an important factor when reliability is crucial. RS is especially useful for volume purchases and OEM projects due to distributor-level services.
Are you breadboarding or building a compact PCB? PDIP-8 is breadboard-friendly and beloved by hobbyists, while SOIC-8 or SOIJ-8 is common on modern PCBs and saves board space. Choosing the wrong package can waste time and money. Always decide upfront whether you need DIP for prototyping or SMD for production, and make sure the retailer lists the package explicitly in the product title.
Soldering SOIC parts requires a fine-tipped iron or hot air station and steady hands, whereas PDIP parts can be hand-soldered with a beginner-friendly iron. Electrostatic discharge (ESD) precautions matter with memory ICs — store chips in anti-static bags, and work on an ESD-safe mat. If you’re buying from a general retailer like Elgiganten or Power, double-check that the packaging protects the chips during transit.
Price shopping is essential, but the cheapest option isn’t always the best. Counterfeit ICs are a risk, especially for parts bought from marketplaces or lesser-known sellers. Prefer authorized distributors or established electronics stores in Denmark like Computersalg, Conrad, RS Components, and Proshop. Look for manufacturer-authorized resellers or distributors listed on Microchip’s website to reduce authenticity risks.
Compare unit price, minimum order quantities, shipping costs, and whether the seller includes datasheets and return guarantees. Check product photos for manufacturer markings, and read reviews if available. If packaging seems suspicious (unlabeled reels or poor labeling), ask the seller for batch numbers or certificate of conformity before ordering bulk quantities.
Capacity needs depend on what you’re storing. Tiny bootloaders and configuration tables may fit in 8–64 Kbit devices like the 24LC65, while firmware images often require 256 Kbit or 512 Kbit chips such as 24LC256 and 24LC512. If you expect firmware growth, buying slightly larger capacity can save future redesign work. For one-off repairs, match the original part’s capacity to ensure compatibility with existing addressing and code.
Some EEPROMs use standard I2C addressing, but addressing schemes can change with higher capacity parts like 24LC1025. Check your microcontroller’s I2C library and buffer sizes to make sure it supports the larger addressing and read/write cycles. Datasheets are your best friend here — always verify timing, voltages, and page write sizes before designing or coding.
Buying a couple of EEPROMs? Consider adding a reliable programmer/reader, antipstatic tweezers, and a bench power supply to your cart. USB I2C adapters and programmers make it easier to read and write contents, especially for cloning or backing up firmware. Stores like Proshop, Conrad and RS Components usually stock programmers and breakout boards that pair well with Microchip parts.
For hobbyists, a USB I2C adapter, a breadboard-friendly SOIC-to-DIP adapter, and a cheap hot-air rework station can speed up prototyping. If you're buying PDIP parts, a simple IC extractor and a low-wattage soldering iron will suffice. These extras are often available at the same Danish retailers that sell the chips themselves, making it easy to assemble everything you need in a single order.
If you’re ordering large quantities for manufacturing or resale, reach out to distributors like RS Components, Farnell (Newark), or Microchip’s authorized distributors. These channels often offer better lead times, traceability, and pricing tiers. For smaller businesses, suppliers such as Computersalg and Conrad may still offer quantity discounts, but always ask about lead times and traceability certificates when procuring for commercial products.
When reliability is non-negotiable — for medical, automotive, or industrial equipment — insist on traceability documentation and supplier certificates. Authorized distributors can provide batch traceability and certificates of origin that help with regulatory compliance. This is less relevant for hobby projects, but crucial if you intend to mass-produce or sell devices containing the chips.
The Microchip website is the authoritative source for datasheets, application notes, and migration guides for the 24LC family. Danish suppliers like Conrad and RS Components usually link the relevant datasheet on the product page. If you need hands-on help, community forums, local maker spaces, and electronics meetups in Denmark can provide practical advice for integrating EEPROMs into your projects.
Don’t underestimate forums and local groups: the Danish maker community, electronics Facebook groups, and sites like Stack Exchange can help you debug timing issues or find compatible programmers. If you prefer in-person help, check for electronics workshops at maker spaces in Copenhagen, Aarhus, or Aalborg.
Always plan ahead: check stock levels, confirm package types, and read the product descriptions carefully. If you’re experimenting, buy a couple of extra chips — they’re inexpensive insurance against soldering mistakes. For production or important repairs, prioritize authorized distributors to minimize risk. Combining purchases (chips + tools + adapters) from a single reseller often reduces shipping costs and speeds up delivery.
Watch for sales on major retailers like Proshop and Komplett, or sign up for notifications from distributors when stock returns. Bulk buying from RS Components or a local distributor will lower unit price, and occasional clearance sales at stores like Conrad can produce useful bargains on older or legacy parts.
Whether you’re fixing a vintage device, building a new hardware project, or sourcing parts for small-scale production, Denmark has a healthy ecosystem of retailers for ROM and EEPROM chips. Start with trusted suppliers like Computersalg for accessible local options, and use specialist distributors like RS Components and Conrad when you need traceability or larger quantities. Learn the differences between package types, capacities, and addressing modes before you buy, and pair your ICs with the right tools to save time and avoid frustration. With the right approach you can find authentic Microchip parts like the 24LC256, 24LC512, 24LC1025, and 24LC65 at competitive prices, and keep your projects running smoothly.
| ROM | Price | |
|---|---|---|
| Microchip Technology 24lc256-i Sn Memory Ic Soic-8 Eeprom 256 Kbit 32 K X 8 | kr. 30,- |
