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| Convergence Video Video Encoders/Decoders Single-Chip, High-Performance (DVI) Digital Video Transmitter CX25894/5/6 DVI Compliancy and Dual Channel Support Numerous Applications Conexant's broadband communications portfolio includes a comprehensive suite of semiconductor solutions that enable the digital home and information network. Compliant with the Digital Visual Interface (DVI) industry specification, the CX25894/5/6 family of high performance, single-chip transmitters offers single or dual link output. Supporting up to two independent concurrent channels and two serial interfaces, this device is well suited for desktop PCs or any application that drives digital or flat panel displays. High-bandwidth Digital-Content Protection (HDCP) was developed to protect digital entertainment content flowing over the DVI interface. HDCP encrypts the transmission of digital content between the video source or transmitter - such as a computer, DVD player or set-top box - and the digital display, or receiver - such as a monitor, television or projector. Once authentication is established, the transmitter encrypts the data and sends it to the receiver for decryption. Three versions of this DVI-Compliant transmitter are available. The CX25895/6 accepts and sends out different resolutions and independent content simultaneously. CX25894 offers a single channel, single link DVI, supporting resolutions up to 1600 x 1200, 60 Hz vertical refresh (maximum). CX25895 adds another independent channel and supports up to two single link 1600 x 1200 DVI outputs or a dual link output with a resolution to 2048 x 1536. Using the CX25895, you have the flexibility to enable two low-resolution DVI outputs or one high resolution flat panel monitor or DTV. CX25896 builds upon the CX25895 but adds the industry standard high definition copy protection (HDCP 1.0). The CX25894/5/6 is packaged in an 84-pin QFN (body: 12.0 mm x 12.0 mm, pin pitch 0.40 mm). All are pin compatible. Feature Overview TV out Encoder HDTV Dual Link DVI Links HDCP Concurrent Channels Different Resolutions on each channel Distinguishing Features * Two independent channels (CX25895/6), providing simultaneous operation at different resolutions * Low, mid and high-end solutions for varied customer applications * Lowest cost solution and component count requiring smaller layout space * HDCP 1.0 copy protection to secure digital entertainment content over DVI * Compatible with industry standard DVI receivers, DVI 1.0 compliant * Programmable impedance matching to work with marginal or non-compliant receivers * Pin compatibility among all series members CX25894 CX25895 CX25896 No No No No Yes Yes 1 2 2 No No Yes N/A Yes Yes N/A Yes Yes Part Number CX25894/5/6 Description DVI Transmitter Convergence Video Video Encoders/Decoders CX25894/5/6 Features CX25894 * Single-Link DVI 1.0 Transmitter * Programmable impedance matching * Scalable low voltage graphics controller interface from 3.3v down to 0.8v * DVI data rate from 25 MHz to 165 MHz * DVI resolutions from 640 x 350 to 1600 x 1200 (60 Hz refresh) * Single-ended or differential clocking * Multiple industry-standard digital input formats: - 15/16-bit RGB multiplexed - 24-bit RGB multiplexed (standard and alternate) * Serial data in transmission minimized differential signaling (TMDS) output * Programmable and pin-based power down modes * Generates half clock pattern and pseudo-random sequence pattern internally * Hot-plug detection of flat-panel (FD) monitor * 2-wire serial programming interface CX25895 Same features as the CX25894 plus: * Dual-link DVI supports DVI resolutions from 1600 x 1200 to 2048 x 1536 (maximum) * Two simultaneous concurrent DVI links (same content) up to 1600 x 1200 * Two concurrent DVI links (different content) up to 1600 x 1200 * High-Resolution DVI 1.0 Support * 1080i, 720p, 480p ATSC resolutions CX25896 Same features as the CX25895 plus: * High-bandwidth Digital Content Protection (HDCP) support CX25894/5/6 Applications * Notebook PC * Graphics card * Set-top Box * Game console * DVD player (c) 2003, Conexant Systems, Inc. All Rights Reserved. Conexant and the Conexant logo are registered trademarks of Conexant Systems, Inc. All other trademarks are owned by their respective owners. Although Conexant strives for accuracy in all its publications, this material may contain errors or omissions and is subject to change without notice. THIS MATERIAL IS PROVIDED AS IS AND WITHOUT CX25894 Block Diagram CX25895 Block Diagram CX25896 Block Diagram ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. www.conexant.com General Information: U.S. and Canada: (800) 854-8099 International: (949) 483-6996 Headquarters - Newport Beach 4000 MacArthur Blvd, P Box C .O. Newport Beach, CA 92660-3095 Order# 102227A Conexant shall not be liable for any special, indirect, incidental or consequential damages as a result of its use. 03-0909 |
Price & Availability of CX25895
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