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GS12070 Datasheet(PDF) 1 Page - Semtech Corporation |
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GS12070 Datasheet(HTML) 1 Page - Semtech Corporation |
1 / 3 page 1 of 3 Proprietary & Confidential GS12070 Product Brief Rev.0 PDS-060480 June 2014 Gennum Products GS12070 UHD-SDI Gearbox www.semtech.com Key Features • Converts between 1.5G, 3G, 6G and 12G SDI Quad Link 3G-SDI ↔ 12Gb/s Dual Link 6Gb/s ↔ 12Gb/s Dual Link (2 x 3Gb/s) ST 425-3 ↔ 6Gb/s Quad Link (4 x 3Gb/s) ST 425-5/-6 ↔ Dual Link 6Gb/s Quad Link HD-SDI (4 x 1.5Gb/s) ↔ 6Gb/s • Serial Bypass modes for all support rates • 4 Serial Differential Inputs 100Ω differential inputs support DC-coupling to 1.2V CML Logic Input trace equalization for up to 6" FR4 at 12Gb/s • 4 Serial Differential Outputs 100Ω differential outputs support DC-coupling to 1.2V CML Logic Output de-emphasis to compensate for up to 6" FR4 at 12Gb/s • Reference Clock/Crystal Input —148.5MHz/27MHz • GSPI serial control and monitoring interface • Selectable 1.8V and 2.5V digital control I/O • Automatic SMPTE ST 352 packet creation • 14mm x 14mm 256-Ball BGA (0.8mm pitch) • Pb-free and RoHS-compliant package Applications • UHDTV1 and 4K D-Cinema end-equipment: Cameras, Monitors, Switchers Description The GS12070 is an UHD-SDI Gearbox which performs the multiplexing and de-multiplexing necessary to facilitate conversions between the ST 425-3 and ST 425-5 multi-link 3Gb/s UHD-SDI Interface and the SMPTE ST 2081 (6Gb/s) and ST 2082 (12Gb/s) Interfaces. A conversion between 4 x 1.5Gb/s and 6Gb/s is also supported. GS12070 Supported Conversions of SMPTE Standard Interfaces The GS12070 features four high-speed differential signal inputs and four high-speed differential serial outputs which can be interfaced to 1.2V CML I/O. The high-speed inputs and outputs include programmable trace equalization and de-emphasis drivers to compensate for high-frequency losses associated with board-level interconnect. The high-speed serial inputs and outputs support 270Mb/s, 1.5G, 3G, 6G and 12G nominal data rates. The supported conversions are performed by manually selecting the input and output rates. Unused output ports at 6G and 12G may be configured to output a copy of the primary converted output. A serial bypass mode is also available as a manually selectable option. 4x3G ↔ 12G 4x3G ↔ 2x6G 2x6G ↔ 12G ST 2081-11 Dual-link 6G ST 2082-10 Single-link 12G 3840 x 2160 p60 4:2:2 10-bit ST 425-5 Quad-link 3G |
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