SigmaRAM™ Networking High-Speed Synchronous SRAMs Density Part Number Configuration Features Speed (MHz) Cycle Time (ns) Vdd (V) Vddq (V) Package 18Mb CXK79M72C164GB 256K x 72 Common I/O Pipelined Read Double Late Write Single Data Rate HSTL I/O 350/333/300/250 2.8/3/3.3/4 1.8 1.8/1.5 209 BGA CXK79M36C164GB 512K x 36 CXK79M72C165GB 256K x 72 Common I/O Pipelined Read Double Late Write Single Data Rate LVCMOS I/O 333/300/250 3/3.3/4 1.8 1.8/1.5 209 BGA CXK79M36C165GB 512K x 36 CXK79M36C162GB 512K x 36 Common I/O Pipelined Read Late Write Double Data Rate HSTL I/O 300/250 3.3/4 1.8 1.8/1.5 209 BGA Ultra-High-Speed Synchronous SRAMs Den- sity Part Number Configuration Features Speed (MHz) Cycle Time (ns) Vdd (V) Vddq (V) Package 36Mb CXK77K36R320GB 1M x 36 Common I/O Pipelined Read (R-R) Late Write Single Data Rate HSTL I/O 333/300/250 3/3.3/4 2.5/1.8 1.8/1.5 119 BGA CXK77K18R320GB 2M x 18 NOTE: Contact Sony for availability. Home | Products | About Sony Semiconductor | Sony Spotlight What's New | Customer Support | Search Buy It! | Career Opps | Feedback | Resource Library PR Archive | Privacy Policy | Site Map Send email to the Semiconductor Products Group, Component Solutions Business Division © Copyright 1996-2008 Sony Electronics Inc. All Rights Reserved. Legal/Trademark For information or questions concerning consumer products such as digital cameras, DSS, televisions, VCRs and more, please visit Consumer Customer Service or call 1/800/222-7669.