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TMDS442-TMDS442PNP-TMDS442PNPR Fast Delivery,Good Price
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TMDS442TIN/a20avai4-to-2 DVI/HDMI Switch 128-HTQFP 0 to 70
TMDS442PNPTIN/a4avai4-to-2 DVI/HDMI Switch 128-HTQFP 0 to 70
TMDS442PNPRN/A N/a1avai4-to-2 DVI/HDMI Switch 128-HTQFP 0 to 70
TMDS442PNPRTIN/a225avai4-to-2 DVI/HDMI Switch 128-HTQFP 0 to 70


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TMDS442-TMDS442PNP-TMDS442PNPR
4-to-2 DVI/HDMI Switch 128-HTQFP 0 to 70
1FEATURES
APPLICATIONS
DESCRIPTION

STB
TMDS442

SLLS757A–AUGUST 2006–REVISED MARCH 2007www.ti.com
4-TO-2 DVI/HDMI SWITCH
I2C Repeater Isolates Bus Capacitanceat Both
Ends A 4-to-2 Single-Linkor 2-to-1 Dual-Link
DVI/HDMI Physical
TMDS Inputs HBM ESD Protection Exceeds6 Compatible with HDMI 3.3-V Supply Operation Supports 2.25 Gbps for 480i/p,
720i/p, and 1080i/p upto 12-Bit
128-Pin TQFP Package
Color Depth
ROHS Compatible and 260°C Reflow Rated Integrated Receiver 8-dB Receiver Equalizer for Digital TVLosses From Standard Digital Projector Selectable Output De-Emphasis Compensates Audio Video Receiverfor Losses From Flat DVIor HDMI Switch High-Impedance Outputs Disabled
The TMDS442, 4-to-2 switch, allows upto4 digital video interface (DVI) or high-definition
multimedia interface (HDMI) be switchedto two independent display blocks. The essential requirement picture-in-picture display audiovisual sourcesis having two individual DVIor HDMI receiversin digital display system. supports two DVIor HDMI receiversto enable multiple-source selection
(picture-in-picture),as well actingasa 4-input 1-output video switch.
Each inputor output port contains one 5-V power indicator (5V_PWR), one hot plug detector (HPD),a pairofI2C
interface signals (SCL/SDA), and four TMDS channels supporting data rates upto 2.25 Gbps. The 5-V power
indicator and the hot plug detector are pulled down with internal resistors, forcinga low state on these pins until
receivinga valid high signal. TheI2C interfaceis constructedby anI2C repeater circuitto isolate the capacitance resistors pulled upto VCC, which cooperatesto each TMDS receiveror HDMI compliant cables.
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