DRAM
DRAM (Dynamic Random-Access Memory) provides high-density, high-bandwidth volatile storage for computing systems, display buffers, and network packet processing. This category covers SDR, DDR, DDR2, DDR3, DDR4, DDR5, LPDDR, and Mobile SDRAM ICs from Micron, Samsung, Alliance Memory, ISSI, and Intelligent Memory.
Browse DRAM Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| W9751G6NB-25I | Winbond Electronics | — | 17,142 | |
| MT44K64M18RB-093E:ATR | Micron Technology Inc. | — | 490 | |
| PF38F5070M0Y0BEB | Micron Technology Inc. | — | In Stock | |
| EDJ4216EFBG-GNL-F-D | Micron Technology Inc. | — | In Stock | |
| MT48H16M16LFBF-6IT | Micron Technology Inc. | — | 30,082 | |
| MT42L128M32D1GU-18WT | Micron Technology Inc. | — | In Stock | |
| EDFP264A2PB-JD-F-R | Micron Technology Inc. | — | 2,307 | |
| W949D2KBJX5E | Winbond Electronics | — | 1,416 |
Top DRAM Manufacturers
ROHM
ROHM DRAM products are available for part-number review, stock checks, and RFQ support.
3,980 productsRenesas
Renesas DRAM products are available for part-number review, stock checks, and RFQ support.
74,605 productsWinbond Electronics
Winbond Electronics DRAM products are available for part-number review, stock checks, and RFQ support.
1,681 productsISSI®
ISSI® DRAM products are available for part-number review, stock checks, and RFQ support.
5,109 productsAlliance Memory
Alliance Memory DRAM products are available for part-number review, stock checks, and RFQ support.
1,536 productsMacronix
Macronix DRAM products are available for part-number review, stock checks, and RFQ support.
927 productsMicron Technology Inc.
Micron Technology Inc. DRAM products are available for part-number review, stock checks, and RFQ support.
3,916 productsIntelligent Memory Ltd.
Intelligent Memory Ltd. DRAM products are available for part-number review, stock checks, and RFQ support.
66 products
Infineon Technologies
Infineon Technologies DRAM products are available for part-number review, stock checks, and RFQ support.
20,310 products
Microchip Technology
Microchip Technology DRAM products are available for part-number review, stock checks, and RFQ support.
67,462 productsAbout DRAM
DRAM (Dynamic Random-Access Memory) ICs are volatile semiconductor memories designed to provide ultra-high-speed, high-density working storage for active software, firmware, and operating system data in microprocessors and digital signal processors. Utilizing a single-transistor, single-capacitor cell architecture, DRAM delivers massive storage capacities at far lower costs per bit than SRAM, though it requires continuous electrical refreshing to maintain data integrity.
This category encompasses DDR3, DDR4, and low-power LPDDR memory chips, as well as legacy SDRAM ICs. Key selection parameters include memory density (ranging from megabits to gigabits), data rate (MT/s or MHz), bus width (typically x8, x16, or x32 configurations), operating voltage (e.g., 1.2V for DDR4, 1.35V/1.5V for DDR3), package type (BGA, TSOP), and temperature grades. High-reliability designs require industrial or automotive temperature tolerances.
Browse Octatronics to search and compare DRAM chips from market leaders including Micron Technology, Samsung Semiconductor, Winbond, ISSI, and Alliance Memory. Verify lifecycle statuses, datasheets, and submit bulk RFQs online to secure allocations.
Frequently Asked Questions
Octatronics can help source a wide range of DRAM 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
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DDR4 vs DDR5: Key Differences in Speed, Latency, Power, Capacity, and Compatibility
DDR5 is the newer memory standard, offering higher bandwidth, lower nominal operating voltage, improved module architecture, and better capacity scaling than DDR4. However, DDR4 remains widely used in existing PCs, embedded systems, industrial equipment, and cost-sensitive platforms. The best choice depends on your motherboard, processor, workload, budget, and long-term sourcing requirements.
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.
DDR6 RAM: What We Know So Far About Next-Generation Memory
DDR6 RAM is the next planned generation of DDR memory technology after DDR5, designed to support higher bandwidth, improved efficiency, and future computing platforms with greater data movement requirements. Although DDR6 is not yet a mainstream commercial product, major memory manufacturers and platform developers are already preparing for the next stage of DRAM evolution.
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.