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CDCLVD2108 Datasheet(PDF) 1 Page - Texas Instruments |
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CDCLVD2108 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page PHY2 PHY2 PHY2 PHY2 2 PHY 8 PHY2 PHY2 PHY16 EN 200 MHz Clock Generator 100 MHz CDCLVD 2108 CDCLVD2108 www.ti.com SCAS905C – OCTOBER 2010 – REVISED DECEMBER 2010 Dual 1:8 Low Additive Jitter LVDS Buffer Check for Samples: CDCLVD2108 1 FEATURES DESCRIPTION • Dual 1:8 Differential Buffer • Low Additive Jitter <300 fs RMS in The CDCLVD2108 clock buffer distributes two clock inputs (IN0, IN1) to a total of 16 pairs of differential 10 kHz to 20 MHz LVDS clock outputs (OUT0, OUT15). Each buffer • Low Within Bank Output Skew of 50 ps (Max) block consists of one input and 8 LVDS outputs. The • Universal Inputs Accept LVDS, LVPECL, inputs can either be LVDS, LVPECL, or LVCMOS. LVCMOS The CDCLVD2108 is specifically designed for driving • One Input Dedicated for Eight Outputs 50- Ω transmission lines. In case of driving the inputs • Total of 16 LVDS Outputs, ANSI EIA/TIA-644A in single ended mode, the appropriate bias voltage Standard Compatible (VAC_REF) should be applied to the unused negative input pin. • Clock Frequency up to 800 MHz Using the control pin (EN) outputs can be either • 2.375–2.625V Device Power Supply disabled or enabled. If the EN pin is left open all • LVDS Reference Voltage, VAC_REF, Available for outputs are active, if switched to a logical '0' all Capacitive Coupled Inputs outputs are disabled (static logical 0), if switched to a • Industrial Temperature Range –40°C to 85°C logical '1', OUT (8..15) are switched off and OUT (0..7) are active. The part supports a fail safe • Packaged in 7mm × 7mm 48-Pin QFN (RGZ) function. It incorporates an input hysteresis, which • ESD Protection Exceeds 3 kV HBM, 1 kV CDM prevents random oscillation of the outputs in absence of an input signal. APPLICATIONS The device operates in 2.5V supply environment and • Telecommunications/Networking is characterized from –40°C to 85°C (ambient • Medical Imaging temperature). The CDCLVD2108 is packaged in • Test and Measurement Equipment small 48-pin, 7-mm x 7-mm QFN package. • 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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