Description
The HYS72D[128/256][300/320/321/500][GBR/HR]-[5/6/7/7F]-B are low profile versions of the standard Registered DIMM modules with 1.1” inch (28.58) and 1.2” inch (30,40 mm) height for 1U Server Applications. The Low Profile DIMM versions are available as 128M × 72 (1 GB) and 256M × 72 (2 GB).

FEATUREs
• 184-pin Registered 8-Byte Dual-In-Line DDR SDRAM Module for “1U” PC, Workstation and Server main memory applications
• One rank 128M × 72 organization and two rank 256M × 72 organization
• JEDEC standard Double Data Rate Synchronous DRAMs (DDR SDRAM) with a single + 2.5 V (± 0.2 V) power supply and +2.6(± 0.1 V) power supply for DDR400
• Built with DDR SDRAMs in 66-Lead TSOPII and FBGA 60 package
• Programmable CAS Latency, Burst Length, and Wrap Sequence (Sequential & Interleave)
• Auto Refresh (CBR) and Self Refresh
• All inputs and outputs SSTL_2 compatible
• Re-drive for all input signals using register and PLL devices.
• Serial Presence Detect with E2PROM
• Low Profile Modules form factor: 133.35 mm × 28.58 mm (1.1”) × 4.00 mm and 133.35 mm × 30.48 mm (1.2”) × 4.00 mm
• Based on Jedec standard reference card layout RawCard “B”, “C“ and “D“
• Gold plated contacts