CY28RS480 Datasheet PDF (Clock Generator) | Download SpectraLinear CY28RS480

CY28RS480 - Clock Generator

Description

Pin No.

41,40,45,44 50 37 52, 53, 54 7 8 27, 28, 30, 29 12, 13, 16, 17, 18, 19, 22, 23, 24, 25, 34, 33 10,11 Name CPUT/C PCI0 IREF REF[2:0] SCLK SDATA SRCST/C[1:0] SRCT/C[5:0] Type O I 33 MHz clock output.

A precision resistor attached to this pin is connected to the internal current reference.

Features

Supports AMD£ CPU.
200 MHz differential CPU clock pairs.
100 MHz differential SRC clocks.
48 MHz USB clock.
33 MHz PCI clock.
66 MHz HyperTransport.
clock CPU x2 SRC x8 HTT66 x1 PCI x1 REF x3 USB_48 x1.
I2C support with readback capabilities.
Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction.
3.3V power supply.
56-pin SSOP and TSSOP packages Block Diagram X.

Datasheet Details

Part number	CY28RS480
Manufacturer	SpectraLinear
File Size	213.90 KB
Description	Clock Generator
Datasheet	CY28RS480 Datasheet
Additional preview pages of the CY28RS480 datasheet.

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Full PDF Text Transcription

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CY28RS480 Clock Generator for ATI£ RS480 Chipset Features • Supports AMD£ CPU • 200 MHz differential CPU clock pairs • 100 MHz differential SRC clocks • 48 MHz USB clock • 33 MHz PCI clock • 66 MHz HyperTransport¥ clock CPU x2 SRC x8 HTT66 x1 PCI x1 REF x3 USB_48 x1 • I2C support with readback capabilities • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction • 3.3V power supply • 56-pin SSOP and TSSOP packages Block Diagram XIN XOUT CPU_STP# CLKREQ[0:1]# Pin Configuration VDD_REF REF[0:2] XTAL OSC PLL1 PLL Ref Freq Divider Network VDD_CPU CPUT[0:1], CPUC[0:1], VDD_SRC SRCT[0:5],SRCC[0:5] VDD_SRCS SRCST[0:1],SRCSC[0:1] VDD_PCI PCI VDD_HTT HTT66 IREF www.DataSheet.co.

Published: Jun 10, 2012 |