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SG556

Cypress Semiconductor
Part Number SG556
Manufacturer Cypress Semiconductor
Description Mobile Pentium Processor Application Clock Generator
Published Apr 1, 2018
Detailed Description APPROVED PRODUCT SG556 Mobile Pentium® Processor Application Clock Generator with SSCG, USB and Power Management Suppo...
Datasheet PDF File SG556 PDF File

SG556
SG556

Overview
APPROVED PRODUCT SG556 Mobile Pentium® Processor Application Clock Generator with SSCG, USB and Power Management Support Product Features n Supports clock requirements for Mobile Pentium® Processor n 2 Host and 5 PCI clocks n Separate supply pins for mixed (3.
3/2.
5V) voltage application.
n <175ps skew among CPU clocks.
n < 250ps skew among PCI clocks.
n 48mhz for USB.
n 28-pin SSOP package for minimum board space.
n Power management capabilities Frequency Table SEL100/66# CPU PCI 0 66.
4 Mhz* 33.
3 Mhz 1 99.
8 Mhz** 33.
2 MHz *Down Spread 1.
25% (total); **Down Spread .
5% (total) Block Diagram XIN XOUT OSC CPU_STOP# PCI_STOP# SEL1066# PWR_DWN# PLL PLL VDDR REF VDDC CPUCLK (0:1) VDDP PCI (1:5) PCI_F 48 MHz Pin Configuration XIN XOUT VSS PCI_F PCI1 VDDP PCI2 PCI3 VDDP PCI4 PCI5 VSS VDD VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 VSS 27 VDDR 26 REF 25 VDDC 24 CPU0 23 CPU1 22 VSS 21 VDD 20 VSS 19 PCI_STOP# 18 CPU_STOP# 17 PWR_DWN# 16 48M 15 SEL100/66# Cypress Semiconduct...


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