General Description
The IT6604 is a single-link HDMI receiver, fully compatible with HDMI 1.3, compatible with HDMI 1.4a
3D and HDCP 1.4 compliance specification and also backward compatible to DVI 1.0 specifications.
The IT6604 with its Deep Color capability (up to 36-bit) ensures robust reception of high-quality
uncompressed video content, along with state-of-the-art uncompressed and compressed digital audio
content such as DTS-HD and Dolby TrueHD in digital televisions and projectors. The IT6604 also
supports all the primary 3D formats which are compliant with the HDMI 1.4a 3D specification.
Aside from the various video output formats supported, the IT6604 also receives and provides up to 8
channels of I2S digital audio outputs, with sampling rate up to 192kHz and sample size up to 24 bits,
facilitating direct connection to industry-standard low-cost audio DACs. Also, an S/PDIF output is
provided to support up to compressed audio of 192kHz frame rate. Super Audio Compact Disc (SACD)
is supported at up to 8 channels and 88.2kHz through DSD (Direct Stream Digital ports) ports.
The High-Bit Rate (HBR) audio is also provided by the IT6604 in two interfaces: with the four I2S input
ports or the S/PDIF input port. With both interfaces the highest possible HBR frame rate is supported
at up to 768kHz.
Each IT6604 comes preprogrammed with an unique HDCP key, in compliance with the HDCP 1.4
standard so as to provide secure transmission of high-definition content. Users of the IT6604 need not
purchase any HDCP keys or ROMs.
The IT6604 is pin compatible with the IT6603, the previous generation single-link HDMI 1.3 receiver.

Features
* Single-link HDMI 1.4 receiver
* Pin compatible with IT6603
* Compliant with HDMI 1.3, HDMI 1.4a 3D, HDCP 1.4 and DVI 1.0 specifications
* Supporting link speeds of up to 2.25Gbps (link clock rate of 225MHz).
* Supporting all the primary 3D formats which are compliant with the HDMI 1.4a 3D specification.
* Supporting 3D video up to 1080P@50/59.95/60Hz, 1080P@23.98/24/29.97/30Hz,
1080i@50/59.94/60/Hz, 720P@23.98/24/29.97/30Hz, 720P@50/59.94/60Hz
* Supporting formats: Framing Packing, Side-by-Side ( half ), Top-and-Bottom.
* Video output interface supporting digital video standards such as:
* 24/30-bit RGB/YCbCr 4:4:4
* 16/20-bit YCbCr 4:2:2
* 8/10-bit YCbCr 4:2:2 (ITU BT-656)
* 24/30-bit double data rate interface (full bus width, pixel clock rate halved, clocked with both
rising and falling edges)
* Input channel swap
* Bi-direction Color Space Conversion (CSC) between RGB and YCbCr color spaces with
programmable coefficients.
* Up/down sampling between YCbCr 4:4:4 and YCbCr 4:2:2
* Dithering for conversion from 12-bit component to 10-bit/8-bit
* Digital audio output interface supporting
* up to four I2S interface supporting 8-channel audio, with sample rates of 32~192 kHz and
sample sizes of 16~24 bits
* S/PDIF interface supporting PCM, Dolby Digital, DTS digital audio at up to 192kHz frame rate
* Optional support for 8-channel DSD audio up to 8 channels at 88.2kHz sample rate
* Support for high-bit-rate (HBR) audio such as DTS-HD and Dolby TrueHD through the four I2S
interface or the S/PDIF interface, with frame rates as high as 768kHz
* automatic audio error detection for programmable soft mute, preventing annoying harsh output
sound due to audio error or hot-unplug
* Auto-calibrated input termination impedance provides process-, voltage- and temperature-invariant
matching to the input transmission lines.
* Integrated pre-programmed HDCP keys
* Intelligent, programmable power management
* 128-pin LQFP (14mm x 14mm) package
* RoHS Compliant ( 100% Green available )