This document describes the specifications and features of ValueRAM's 128M x 64-bit (1GB) DDR2-533 CL4 SDRAM memory module.
The KVR533D2N4/1G is a 1 GB DDR2‑533 CL4 memory module built on a 240‑pin DIMM form factor. It contains eight 128M × 8‑bit DDR2‑533 SDRAM chips in FBGA packages and uses gold contact fingers.
The datasheet lists key electrical and mechanical parameters such as clock cycle time, row cycle time, power consumption, and required supply voltage, allowing system designers to verify compatibility and performance.
| Clock Cycle Time (tCK) CL=4 | 3.75 ns min / 8 ns max |
|---|---|
| Row Cycle Time (tRC) | 60 ns min |
| Refresh to Active/Refresh | 127.5 ns |
| Row Active Time (tRAS) | 45 ns min / 70,000 ns max |
| Single Power Supply | +1.8 V ±0.1 V |
| Power (operating) | 1.170 W |
| UL Rating | 94 V - 0 |
| DIMM type | 240‑pin DIMM |
It requires a single +1.8 V power supply (±0.1 V).
The module consumes 1.170 W while operating.
The clock cycle time ranges from 3.75 ns minimum to 8 ns maximum.