This document describes ValueRAM's KVR26N19S8/8 is a 1G x 64-bit (8GB) DDR4-2666 CL19 SDRAM (Synchronous DRAM), 1Rx8, memory module, based on eight 1G x 8-bit FBGA components. The SPD is programmed to JEDEC standard latency DDR4-2666 timing of 19-19-19 at 1.2V. Each 288-pin DIMM uses gold contact fingers. The electrical and mechanical specifications are as follows: - Power Supply: VDD=1.2V Typical - VDDQ = 1.2V Typical - VPP - 2.5V Typical - VDDSPD=2.2V to 3.6V - Nominal and dynamic on-die termination (ODT) for - data, strobe, and mask signals - Low-power auto self refresh (LPASR) - Data bus inversion (DBI) for data bus - On-die VREFDQ generation and calibration - Single-rank - On-board I2 serial presence-detect (SPD) EEPROM - 16 internal banks; 4 groups of 4 banks each - Fixed burst chop (BC) of 4 and burst length (BL) of 8 - via the mode register set (MRS) - Selectable BC4 or BL8 on-the-fly (OTF) - Fly-by topology - Terminated control command and address bus - PCB: Height 1.23” (31.25mm) - RoHS Compliant and Halogen-Free