VT98521 Datasheet 3.3V Clock Multiplier

Manufacturer: Vaishali Semiconductor

VT98521 3.3v clock multiplier by Vaishali Semiconductor - Datasheet Preview

Datasheet Details

Part number	VT98521
Manufacturer	Vaishali Semiconductor
File Size	181.88 KB
Description	3.3V Clock Multiplier
Download	VT98521 Download (PDF)

General Description

The VT98521 is a 3.3V CMOS, clock multiplier integrated circuit.

The device provides an excellent quality high frequency output clock from a lower frequency crystal or clock input.

Tri-level selection inputs S0 and S1 are used to select any one of eight multipliers, stored in the on-board ROM, and apply it to the input to produce the desired output, up to 220 MHz.

Overview

VT98521 3.3V Clock Multiplier Applications •= Low cost general-purpose clock source.

Key Features

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= Low phase noise Zero ppm multiplication error Input clock frequency 5 - 50 MHz. Input crystal frequency 5.
27 MHz Output clock frequencies up to 220 MHz. 5V-tolerant inputs and output.
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= Fully Compatible with all popular CPUs Duty Cycle - 45/55 up to 160 MHz. - 40/60 160 MHz to 220 MHz 25mA drive capability at TTL levels High-Z output for board level testing Figure 1. Functional B.

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