ICS9248-150 Datasheet | Integrated Circuit Systems

Integrated Circuit Systems, Inc. Frequency Generator for Multi - Processor Servers Remended Application: Server Works Grand Champion Systems. Output Features : - 8 - Differential CPU Clock Pairs @ 3.3V - 1 - 3V 33MHz PCI clocks - 1 - 48MHz clock - 1 - Inverted 48MHz clock - 1 - 14.318 reference output Features : - Up to 200MHz frequency support - Support power management: Power Down Mode - Supports Spread Spectrum modulation: 0 to -0.5% down spread. - Uses external 14.318MHz crystal - Select logic for Differential Swing Control, Test mode, Tristate, Power down, Spread Spectrum. - External resistor for current reference - FS pins for frequency select Key Specifications: - PCI Output jitter <500ps - CPU Output jitter <200ps - 48MHz Output jitter <350ps - REF Output jitter < 1000ps Pin Configuration PCICLK VDD48 FS0/48MHz FS1/48MHz# GND48 VDDCPU CPUCLKT0 CPUCLKC0 GNDCPU CPUCLKT1 CPUCLKC1 VDDCPU CPUCLKT2 CPUCLKC2 GNDCPU CPUCLKT3 CPUCLKC3 VDDCPU REF SPREAD# GNDREF X1 X2 VDDREF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 SEL100/133 GNDPCI VDDA GNDA PD# VDDCPU CPUCLKT4 CPUCLKC4 GNDCPU CPUCLKT5 CPUCLKC5 VDDCPU CPUCLKT6 CPUCLKC6 GNDCPU CPUCLKT7 CPUCLKC7 VDDCPU MULTSEL0 MULTSEL1 GND GNDI REF I REF VDDI REF 48-Pin SSOP and...