CY28342 - High-performance SiS645/650 Pentium 4 Clock Synthesizer

Product Overview

Cypress Semiconductor

Datasheet Details

Part number	CY28342
Manufacturer	Cypress Semiconductor
File Size	178.34 KB
Description	High-performance SiS645/650 Pentium 4 Clock Synthesizer
Datasheet	CY28342 Datasheet
Additional preview pages of the CY28342 datasheet.

Product details

Description

Pin 6 7 39,40,43,44 16,17,20,23 14 [2] Name XIN XOUT CPU (0:1)T, CPU (0:1)C PCI (0:5) FS3/PCI_F0 PWR I/O I Description Oscillator buffer input.Connect to a crystal or to an external clock.Oscillator buffer output.Connect to a crystal.Do not connect when an external clock is applied at XIN.Differential host output clock pairs.See Table 1 for frequencies and functionality.PCI clock outputs.See Table 1. Power-on bidirectional Input/Output (I/O).At power-up, FS3 is the input.When VTTPW

Features

Supports Pentium 4-type CPUs 3.3V power supply Eight copies of PCI clocks One 4-MHz USB clock Two copies of ZCLK clocks One 48-MHz/24-MHz programmable SIO clock Two differential CPU clock pairs.
SMBus support with read-back capabilities Spread Spectrum EMI reduction Dial-a-Frequency® features Dial-a-Ratio™ features Dial-a-dB® features 48-pin SSOP and TSSOP p.

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Published: Dec 28, 2005 |