This document describes Value RAM's KVR26N19S88 is a 1G x 64-bit (8GB) DDR4-2666 CL19 SDRAM (Synchronous DRAM) 1 Rx 8 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 12V Each 288-pin DIMM uses gold contact fingers The electrical & mechanical specifications are as follows- Power Supply VDD12V Typical- VDDQ 12V Typical- VPP
- 25V Typical- VDDSPD22V to 36V- Nominal & dynamic on-die termination (ODT) for- data strobe & mask signals- Low-power auto self refresh (LPASR)- Data bus inversion (DBI) for data bus- On-die VREFDQ generation & 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 & 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 & address bus- PCB Height 123 (3125mm)- Ro HS Compliant & Halogen-Free Memory Memory layout (modules x size)1 x 8 GBInternal memory 8 GBComponent for P Cserver Memory form factor 288-pin DIMMCAS latency 19 Memory voltage 12 VLead plating Gold Module configuration 1024M x 64 Row cycle time 4575 ns Refresh row cycle time 350 ns Row active time 32 ns Unbuffered memory Yes SPD profile Yes Memory ranking 1ECCNo Memory clock speed 2666 MHz Internal memory type DRAMDesign Ro HS compliance Yes Halogen free Yes Colour of product Green Cooling type Heatsink