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CDCLVD2104RHDT Datasheet(PDF) 1 Page - Texas Instruments |
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CDCLVD2104RHDT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 21 page PHY DAC4 PHY ADC4 EN 200 MHz Clock Generator 100 MHz CDCLVD 2104 CDCLVD2104 www.ti.com SCAS903A – JUNE 2010 – REVISED AUGUST 2010 Dual 1:4 Low Additive Jitter LVDS Buffer Check for Samples: CDCLVD2104 1 FEATURES DESCRIPTION • Dual 1:4 Differential Buffer • Low Additive Jitter <300 fs, RMS in The CDCLVD2104 clock buffer distributes two clock inputs (IN0, IN1) to a total of 8 pairs of differential 10 kHz to 20 MHz LVDS clock outputs (OUT0, OUT7). Each buffer block • Low Within Bank Output Skew of 35ps (Max) consists of one input and 4 LVDS outputs. The inputs • Universal Inputs Accept LVDS, LVPECL, can either be LVDS, LVPECL, or LVCMOS. LVCMOS The CDCLVD2104 is specifically designed for driving • One Input Dedicated for Four Output Buffers 50- Ω transmission lines. If the input is in single ended • 8 LVDS Outputs, ANSI EIA/TIA-644A Standard mode, the appropriate bias voltage (VAC_REF) should Compatible be applied to the unused negative input pin. • Clock Frequency up to 800 MHz Using the control pin (EN), outputs can be either disabled or enabled. If the EN pin is left open two • 2.375–2.625V Device Power Supply buffers with all outputs are enabled, if switched to a • LVDS Reference Voltage, VAC_REF, Available for logical "0" both buffers with all outputs are disabled Capacitive Coupled Inputs (static logical “0”), if switched to a logical "1", one • Industrial Temperature Range –40°C to 85°C buffer with four outputs is disabled and another buffer with four outputs is enabled. The part supports a fail • Packaged in 5mm × 5mm 28-Pin QFN (RHD) safe function. It incorporates an input hysteresis, • ESD Protection Exceeds 3 kV HBM, 1 kV CDM which 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 CDCLVD2104 is packaged in • Test and Measurement Equipment small 28-pin, 5-mm × 5-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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