CY28346

CY28346 Clock Synthesizer with Differential CPU Outputs Features Compliant with Intel® CK 408 Mobile Clock Synthesizer specifications 3.3V power supply Three differential CPU clocks Ten copies of PCI clocks Table 1. Frequency Table[1] S2 1 1 1 1 0 0 0 0 M M S1 0 0 1 1 0 0 1 1 0 0 S0 0 1 0 1 0 1 0 1 0 1 CPU (0:2) 66M 100M 200M 133M 66M 100M 200M 133M Hi-Z TCLK/2 3V66 66M 66M 66M 66M 66M 66M 66M 66M Hi-Z TCLK/4 66BUFF(0:2)/ 3V66(0:4) 66IN 66IN 66IN 66IN 66M 66M 66M 66M Hi-Z TCLK/4 66IN/3V66–5 66-MHz clock input 66-MHz clock input 66-MHz clock input 66-MHZ clock input 66M 66M 66M 66M Hi-Z TCLK/4 PCI_FPCI 66IN/2 66IN/2 66IN/2 66IN/2 33 M 33 M 33 M 33 M Hi-Z TCLK/8 REF 14.318M 14.318M 14.318M 14.318M 14.318M 14.318M 14.318M 14.318M Hi-Z TCLK USB/ DOT 48M 48M 48M 48M 48M 48M 48M 48M Hi-Z TCLK/2 5/6 copies of 3V66 clocks SMBus support with read-back capabilities Spread Spectrum electromagnetic interference (EMI) reduction Dial-a-Frequency™ features Dial-a-dB™ features 56-pin TSSOP and SSOP packages Block Diagram XIN XOUT PLL1 CPU_STP# IREF VSSIREF S(0:2) MULT0 VTT_PG# PCI_STP# PLL2 /2 Pin Configuration REF VDD XIN XOUT VSS PCIF0 PCIF1 PCIF2 VDD VSS PCI0 PCI1 PCI2 PCI3 VDD VSS PCI4 PCI5 PCI6 VDD VSS 66B0/3V66_2 66B1/3V66_3 66B2/3V66_4 66IN/3V66_5 PD# VDDA VSSA VTT_PG# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 REF S1 S0 CPU_STP# CPUT0 CPUC0 VDD CP...