Description
This document describes KVR26S19S8/8, a 1G x 64-bit (8 GB) DDR4-2666 CL19 SDRAM (Synchronous DRAM) 1Rx8 non-ECC memory module, based on eight 1G x 8-bit FBGA components. The SPD is programmed to JEDEC-standard DDR4-2666 timings of 19-19-19 at 1.2 V. This 260-pin DIMM uses gold contact fingers.
Specifications:
| CL (IDD) | 17 cycles |
| Row Cycle Time (tRCmin) | 45.75 ns (min.) |
| Refresh to Active/Refresh Command Time (tRFCmin) | 350 ns (min.) |
| Row Active Time (tRASmin) | 32 ns (min.) |
| UL Rating | 94 V - 0 |
| Operating Temperature | 0°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Factory Timing - Default (JEDEC) | DDR4-2400 CL17-17-17 @ 1.2V |
| Factory Timing - XMP Profile #1 | DDR4-3600 CL18-22-22 @ 1.35V |
| Factory Timing - XMP Profile #2 | DDR4-3000 CL16-18-18 @ 1.35V |
| Power Supply (VDD) | 1.2V Typical |
| VDDQ | 1.2V Typical |
| VPP | 2.5V Typical |
| VDDSPD | 2.2V to 3.6V |
| On-Die Termination (ODT) | Supported |
| Internal Banks | 16 banks; 4 groups of 4 banks each |
| Data Strobe | Bi-Directional Differential |
| Pre-Fetch | 8-bit |
| Burst Length | Switch on-the-fly BL8 or BC4 (Burst Chop) |
| Module Height | 1.62” (41.2 mm) with heatsink |

