DDR4 known-tested / known-good die
DDR4 KTD / KGD (Wafer)
GigaDevice DDR4 KTD / KGD (Wafer) — 6 catalogued part numbers with the manufacturer's selection parameters. Supplied by Yueyang as an authorised GigaDevice distributor.
Authorised distribution
Designed and manufactured by GigaDevice — Yueyang is an authorised distributor, not the designer or manufacturer.
Product Features
4Gb and 8Gb densities, x8/x16 organisation
2666 Mbps and 3200 Mbps speed grades
Commercial, industrial and KTD/KGD (bare die) grades
Application Areas
Product Model List
6 catalogued part numbers
| Part No. | Density | Organization | Speed | Voltage | Operating Temp. | Package |
|---|---|---|---|---|---|---|
| GWQ2TNAC-CQ | 4Gb | x16 | 2666Mbps | 1.2V | 0~95°C | Normal wafer |
| GWQ2TNAC-CJ | 4Gb | x16 | 3200Mbps | 1.2V | 0~95°C | Normal wafer |
| GWQ2GNAC-CQ | 4Gb | x16 | 2666Mbps | 1.2V | 0~95°C | Normal wafer |
| GWQ2GNAC-CJ | 4Gb | x16 | 3200Mbps | 1.2V | 0~95°C | Normal wafer |
| GWQ2GRAC-CQ | 4Gb | x16 | 2666Mbps | 1.2V | 0~95°C | RDL wafer |
| GWQ2GRAC-CJ | 4Gb | x16 | 3200Mbps | 1.2V | 0~95°C | RDL wafer |
For the complete selection, please contact engineering — more variants, packages and grades are available than listed here.
Contact engineeringDistributed by Yueyang — designed and manufactured by GigaDevice. Parameters are taken from the GigaDevice 2026 selection guide; confirm against the current GigaDevice datasheet before design-in. For the complete selection and latest availability, please contact engineering.
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