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Catalog

Key Features

+ Integrated programmable clock divider and 1:2 fanout buffer
+ >2.0GHz fMAX
+ <200ps tr/tf
+ <15ps within device skew
+ <10psPP total jitter
+ <1psRMS cycle-to-cycle jitter
+ Unique input termination and VTPin for DC-coupled and AC-coupled Inputs; CML, PECL, LVDS and HSTL
+ LVDS compatible outputs
+ TTL/CMOS inputs for select and reset
+ Parallel programming capability
+ Programmable divider ratios of 1, 2, 4, 8 and 16
+ Low voltage operation 2.5V
+ Output disable function
+ -40°C to 85°C temperature range
+ Available in 16-pin (3mm x 3mm) MLF® package

Description

AI
This low-skew, low-jitter device is capable of accepting a high-speed (e.g., 622MHz or higher) CML, LVPECL, LVDS or HSTL clock input signal and dividing down the frequency using a programmable divider to create a lower speed version of the input clock. Available divider ratios are 2, 4, 8 and 16, or straight pass-through.The differential input buffer has a unique internal termination design that allows access to the termination network through a VT pin. This feature allows the device to easily interface to different logic standards. A VREF-AC reference is included for AC-coupled applications.The /RESET input asynchronously resets the divider. In the pass-through function (divide by 1) the /RESET synchronously enables or disables the outputs on the next falling edge of IN (rising edge of /IN).