June 2007
www.DataSheet4U.com
HYB18T512161B2F–20/25
512-Mbit x16 DDR2 SDRAM DDR2 SDRAM RoHS compliant
Internet Data S...
June 2007
www.DataSheet4U.com
HYB18T512161B2F–20/25
512-Mbit x16 DDR2 SDRAM DDR2 SDRAM RoHS compliant
Internet Data Sheet
Rev. 1.1
Internet Data Sheet
www.DataSheet4U.com
HYB18T512161B2F–20/25 512-Mbit Double-Data-Rate-Two SDRAM
HYB18T512161B2F–20/25 Revision History: 2007-06, Rev. 1.1 Page All Subjects (major changes since last revision) Typo Changes
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Internet Data Sheet
www.DataSheet4U.com
HYB18T512161B2F–20/25 512-Mbit Double-Data-Rate-Two SDRAM
1
Overview
This chapter gives an overview of the 512-Mbit Double-Data-Rate-Two SDRAM product family for graphics application and describes its main characteristics.
1.1
Features
The 512-Mbit Double-Data-Rate-Two SDRAM offers the following key features: Data masks (DM) for write data 1.8 V ± 0.1V VDD for [–20/–25] 1.8 V ± 0.1V VDDQ for [–20/–25] Posted CAS by programmable additive latency for better DRAM organizations with 16 data in/outputs command and data bus efficiency Double Data Rate architecture: Off-Chip-Driver impedance adjustment (OCD) and On– two data transfers per clock cycle Die-Termination (ODT) for better signal quality. – four internal banks fo...