HGCHIPS supplies 3 PIN2PIN compatible replacements covering the H54G series (SK Hynix LPDDR4). Every replacement is compared against the original manufacturer's public datasheet — density, organization, speed grade, voltage, package and temperature grade — and validated against the original datasheet with per-lot records.
| HG Part Number | Original Brand | Original Part Number | Density | Organization | Speed | Package |
|---|---|---|---|---|---|---|
| HGD4H04S42Q | SK Hynix | H54G56BYYQX046 | 32 | x32 | LPDDR4-4266 | VFBGA-200 |
| HGD4H04S42 | SK Hynix | H54G56BYYVX046 | 32 | x32 | LPDDR4-4266 | VFBGA-200 |
| HGD4H08X42 | SK Hynix | H54G66BYYJX104 | 64 | x32 | LPDDR4X-4266 | VFBGA-200 |
HGCHIPS supplies 3 PIN2PIN compatible replacements covering the H54G series from SK Hynix. Each replacement is compared field by field against the original datasheet — density, organization, speed grade, voltage, package and temperature grade.
No. The replacements share the original footprint and ball map, so the intent is a drop-in swap without a PCB or firmware change. Always qualify on your own platform before volume use.
Samples start at 10 pcs, with sample cost credited against your first production order.
Guides: how to read a DRAM part number · how to qualify an alternative part.
We return a compatibility check and quotation within 24 business hours — samples from 10 pcs.
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