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MAX9324：One-to-Five LVPECL/LVCMOS Output Clock and Data Driver

The MAX9324 low-skew, low-jitter, clock and data driver distributes a differential LVPECL input to four differential LVPECL outputs and one single-ended LVCMOS output. All outputs default to logic low when the differential inputs equal GND or are left open. The MAX9324 operates from 3.0V to 3.6V, making it ideal for 3.3V systems, and consumes only 25mA (max) of supply current. The MAX9324 features low 150ps (max) part-to-part skew, low 15ps output-to-output skew, and low 1.7ps RMS jitter, making the device ideal for clock and data distribution across a backplane or board. CLK_EN and SEOUT_Z control the status of the various outputs. Asserting CLK_EN low configures the differential (Q_, Q_) outputs to a differential low condition and SEOUT to a single-ended logic-low state. CLK_EN operation is synchronous with the CLK_ inputs. A logic high on SEOUT_Z places SEOUT in a high-impedance state. SEOUT_Z is asynchronous with the CLK (active-low CLK) inputs. The MAX9324 is available in space-saving 20-pin TSSOP and ultra-small 20-pin 4mm x 4mm thin QFN packages and operates over the extended (-40°C to +85°C) temperature range.

Key Features Differential Output-to-Output Skew 1.7psRMS Added Random Jitter 150ps (max) Part-to-Part Skew 450ps Propagation Delay Synchronous Output Enable/Disable Single-Ended Monitor Output Outputs Assert Low when CLK, active-low CLK are Open or at GND 3.0V to 3.6V Supply Voltage Range -40°C to +85°C Operating Temperature Range

MAX9324: Typical Operating Circuit Applications/Uses Automated Test Equipment (ATE) Central Office Backplane Clock Distribution Data and Clock Driver and Buffer DSLAM Backplane Low-Jitter Data Repeater Precision Clock Distribution Wireless Base Stations

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