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CY7B991V - Low Voltage Programmable Skew Clock Buffer

Description

The CY7B991V Low Voltage Programmable Skew Clock Buffer (LVPSCB) offers user-selectable control over system clock Logic Block Diagram TEST Pin Configuration PLCC 3F0 2F1 FS FILTER REF FS 4F0 4F1 4 3F1 4Q0 SELECT INPUTS (THREE LEVEL) 4Q1 VCCQ SKEW 3Q0 3Q1 SELECT 2Q0 MATRIX 2Q1 1Q0 1Q1 7B991V

Features

  • All output pair skew.

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Full PDF Text Transcription

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92 CY7B991V 3.3V RoboClock Low Voltage Programmable Skew Clock Buffer Features • All output pair skew <100 ps typical (250 max.) • 3.75- to 80-MHz output operation • User-selectable output functions — Selectable skew to 18 ns — Inverted and non-inverted — Operation at 1⁄2 and 1⁄4 input frequency — Operation at 2x and 4x input frequency (input as low as 3.75 MHz) Zero input to output delay 50% duty-cycle outputs LVTTL Outputs drive 50Ω terminated lines Operates from a single 3.3V supply Low operating current 32-pin PLCC package Jitter < 200 ps peak-to-peak (< 25 ps RMS) functions. These multiple-output clock drivers provide the system integrator with functions necessary to optimize the timing of high-performance computer systems.
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