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CDCLVD1208RHDR Arkusz danych(PDF) 1 Page - Texas Instruments |
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CDCLVD1208RHDR Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 21 page FPGA CDCLVD1208 LVDS Buffer IN_ SEL PHY2 PHY2 PHY2 PHY2 PHY2 PHY2 PHY 7 125 MHz 125 MHz Oscillator CDCLVD1208 www.ti.com SCAS899 – AUGUST 2010 2:8 Low Additive Jitter LVDS Buffer Check for Samples: CDCLVD1208 1 FEATURES DESCRIPTION • 2:8 Differential Buffer • Low Additive Jitter: <300 fs RMS in The CDCLVD1208 clock buffer distributes one of two selectable clock inputs (IN0, IN1) to 8 pairs of 10 kHz to 20 MHz differential LVDS clock outputs (OUT0, OUT7) • Low Output Skew of 45 ps (Max) with minimum skew for clock distribution. The • Universal Inputs Accept LVDS, LVPECL, CDCLVD1208 can accept two clock sources into an LVCMOS input multiplexer. The inputs can either be LVDS, LVPECL, or LVCMOS. • Selectable Clock Inputs through Control Pin • 8 LVDS Outputs, ANSI EIA/TIA-644A Standard The CDCLVD1208 is specifically designed for driving Compatible 50 Ω transmission lines. If the input is in single ended mode, the appropriate bias voltage (VAC_REF) should • Clock Frequency up to 800 MHz be applied to the unused negative input pin. • 2.375–2.625V Device Power Supply The IN_SEL pin selects the input which is routed to • LVDS Reference Voltage, VAC_REF, Available for the outputs. If this pin is left open it disables the Capacitive Coupled Inputs outputs (static). The part supports a fail safe function. • Industrial Temperature Range –40°C to 85°C It incorporates an input hysteresis, which prevents random oscillation of the outputs in absence of an • Packaged in 5mm × 5mm 28-Pin QFN (RHD) input signal • ESD Protection Exceeds 3 kV HBM, 1 kV CDM The device operates in 2.5 V supply environment and APPLICATIONS is characterized from –40°C to 85°C (ambient temperature). The CDCLVD1208 is packaged in • Telecommunications/Networking small 28-pin, 5-mm × 5-mm QFN package. • Medical Imaging • Test and Measurement Equipment • Wireless Communications • General Purpose Clocking Figure 1. Application Example 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2010, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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