8/29/2002 - Texas Instruments released their SSTVF series of DIMM register components. The SN74SSTVF16857 provides significant improvements for PC2700 DIMMs operating at DDR333 speeds.
The SN74SSTVF16857 provides superior signal integrity and improved propagation delays that are over 500ps faster (simultaneous switching) than the JEDEC standard SSTV16857, allowing better timing margins and a more robust memory system. The SN74SSTVF16857 is also a drop in replacement for the older SN74SSTV16857, as the devices are pin to pin compatible, also allowing for backwards compatibility to PC1600/2100 DIMMs. The balanced rising and falling edges on the outputs of SSTVF devices allow for easier system tuning as well.
"The DIMM market is constantly moving forward to faster speeds and better performance. TI is always striving to stay ahead of this market and provide module manufacturers with the best, most reliable logic components available," said David Hoover, worldwide product marketing manager for TI's Standard Linear and Logic Division. "The new SSTVF is a demonstration of our commitment to this market. We not only want to provide the best devices in the industry, but we want to back this up with aggressive pricing and support."
TI offers a complete register and clock solution for the DDR333 platform as TI is currently previewing the CDCV857B, 2.5V phase locked loop clock driver. This enhanced version of the CDCV857A offers a tighter static phase offset of +/- 50 ps optimized for PC2700 applications. (See: www.ti.com/sc/ddr)
Samples for the SSTVF16857 are currently available online for both TSSOP and TVSOP packages. Estimated resale for the SSTVF16857 starts at $2.51 for 1KU. Production for the CDCV857B is planned to ramp in 4Q02. Datasheets and application reports are available online.
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