Understanding the H9HQ53ACPMMD Storage Chip
The part number "H9HQ53ACPMMD" (and closely related variants such as H9HP53ACPMMD) refers to a high-density memory IC manufactured by SK Hynix. Based on technical analysis and supplier documentation, this chip is an LPDDR4 memory device with a total storage capacity of 64 GB (gigabytes). It is packaged in a BGA254 form factor, making it suitable for space-constrained embedded designs, thin clients, and mobile devices where soldered-down memory is required.
The H9HQ53ACPMMD operates at standard LPDDR4 voltage levels (VCC 1.7V–1.95V) and supports high-speed data transfer via an HS400 interface. It is commonly used in applications that demand reliable, low-power memory with a compact footprint—such as industrial single-board computers, digital signage players, and high‑end mini PCs.
Key Specifications
| Parameter | Value |
|---|---|
| Total Capacity | 64 GB (LPDDR4) |
| Package | BGA254 (ball grid array) |
| Interface | LPDDR4 / HS400 |
| Operating Voltage | 1.7V–1.95V |
| Typical Application | Embedded systems, thin clients, mobile devices |
| Manufacturer | SK Hynix |
The chip can be part of an eMCP (embedded Multi-Chip Package)
