Dallas — Texas Instruments Inc. is taking aim at China's TD-SCDMA basestation market with an 850-MHz digital signal processor that will improve network coverage and signal clarity while enabling video delivery and real-time videoconferencing, the company said.
TI's announcement today will coincide with those of other DSP suppliers. Analog Devices Inc. is also introducing a chip set aimed at TD-SCDMA and Freescale Semiconductor Inc. is launching a chip with four 500-MHz DSP cores for voice-over-Internet Protocol gateways and basestations). In addition, Ceva Inc. will announce today that its Ceva-X 1620 licensable core has taped out at 550 MHz in a Taiwan Semiconductor Manufacturing Co. Ltd. process. Ceva had conservatively predicted that the core would hit 400 MHz. Like Freescale's device, the Ceva DSP is aimed at basestation and VoIP designs.
TI is aiming its TCI100Q squarely at China's market of cell phone users, estimated at 315 million and growing rapidly. John Smrstik, marketing manager for wireless infrastructure, said TI targeted TD-SCDMA not only because the format is gaining traction but also because it is “compatible with digital processing” and so can scale by applying Moore's Law, rather than by respinning ASSPs.
The company believes the TCI100Q, its first wireless-infrastructure DSP in a 90-nanometer process, can cut the cost per channel by a third, while lowering overall power. Two processors can handle a full TD-SCDMA carrier; each consumes 2 watts.
The processors, in production now, are also suited to GSM/Edge, cdma2000 and UMTS W-CDMA interfaces, as well as transcoding and media gateway designs.
(This story has also been posted at EE Times.com.)