Micron
8Gb DDR4-2666 x16 (512M x 16), CL19, 1.2 V, 96-ball FBGA – Micron E-die, now obsolete at the factory
The Micron MT40A512M16LY-075:E is an 8Gb DDR4 SDRAM organized as 512M x 16, rated DDR4-2666 (1333 MHz clock) at CL19 with a single 1.2 V supply, in the industry-standard 96-ball 7.5 x 13.5 mm FBGA. The x16 organization makes it a common choice for embedded boards, networking and industrial controllers that use one or two DRAM devices on a 16- or 32-bit bus. Micron now lists the :E die revision as Obsolete; boards locked to the E-die (BOM freeze, memory controller training settings, long-term supply agreements) are sourcing remaining stock on the open market. Cerametronics sources traceable MT40A512M16LY-075:E stock and can quote within 24 hours.
Key Specifications
Verify against the original datasheet before quoting.
| Density / organization | 8Gb, 512M x 16 (x16 bus width) |
|---|---|
| Speed grade | -075: DDR4-2666 (1333 MHz clock, 2666 MT/s), CL = 19 |
| Supply voltage | VDD / VDDQ 1.2 V |
| Package | 96-ball TFBGA (LY), 7.5 x 13.5 x 1.2 mm |
| Operating temperature | 0 °C to +95 °C (commercial) |
| Die revision / factory status | :E die revision; Micron part catalog status: Obsolete |
Market Status
Allocated – Limited Market Stock
Quality & Traceability
Cerametronics is ISO 9001 certified and products are RoHS compliant, with counterfeit screening and full traceability on every shipment. A Certificate of Conformance is available on request. For allocation-sensitive or high-risk lots, independent third-party lab verification can be arranged — just flag it on your RFQ. Any lot that fails incoming inspection is quarantined and never shipped.
FAQ
Is MT40A512M16LY-075:E still manufactured?
No. Micron lists the :E die revision as Obsolete in its part catalog. Designs that were qualified on the E-die and cannot requalify a newer revision depend on remaining channel and spot-market stock, which is why this part is on our shortage list.
What should I check before buying spot stock of this DDR4?
Confirm the full part marking including the :E die revision, date code and country of origin, and ask for lot photos before ordering. We supply traceable stock from vetted sources and can provide these details with every quote.
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