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ICS950810 Datasheet(PDF) 1 Page - Integrated Circuit Systems |
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ICS950810 Datasheet(HTML) 1 Page - Integrated Circuit Systems |
1 / 19 page Integrated Circuit Systems, Inc. ICS950810 0472F—01/12/04 Block Diagram Recommended Application: CK-408 clock for BANIAS processor/ ODEM and MONTARA-G chipsets. Output Features: • 3 Differential CPU Clock Pairs @ 3.3V • 7 PCI (3.3V) @ 33.3MHz • 3 PCI_F (3.3V) @ 33.3MHz • 1 USB (3.3V) @ 48MHz • 1 DOT (3.3V) @ 48MHz • 1 REF (3.3V) @ 14.318MHz • 5 3V66 (3.3V) @ 66.6MHz • 1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz Features: • Supports spread spectrum modulation, down spread 0 to -0.5%. (CPU, 3V66, PCI) • Efficient power management scheme through PD#, CPU_STOP# and PCI_STOP#. Key Specifications: • CPU Output Jitter <150ps • 3V66 Output Jitter <250ps • CPU Output Skew <100ps Pin Configuration 56-Pin 300mil SSOP 6.10 mm. Body, 0.50 mm. pitch TSSOP Frequency Generator with 200MHz Differential CPU Clocks Functionality * These inputs have 150K internal pull-up resistor to VDD. 2 S F1 S F0 S F U P C ) z H M ( ) 0 : 5 ( 6 6 V 3 ) z H M ( F _ I C P I C P ) z H M ( X0 0 6 6 . 6 6 16 6 . 6 63 3 . 3 3 X0 1 0 0 . 0 0 16 6 . 6 63 3 . 3 3 X1 0 0 0 . 0 0 26 6 . 6 63 3 . 3 3 X1 1 3 3 . 3 3 16 6 . 6 63 3 . 3 3 d i M0 0 e t a t s i r Te t a t s i r Te t a t s i r T d i M0 1 2 / K L C T4 / K L C T8 / K L C T d i M1 0 d e v r e s e Rd e v r e s e Rd e v r e s e R d i M1 1 d e v r e s e Rd e v r e s e Rd e v r e s e R PLL2 PLL1 Spread Spectrum 3V66_5 3V66_3 3V66_(4,2) 48MHz_USB 48MHz_DOT X1 X2 XTAL OSC 3V66 DIVDER PD# CPU_STOP# PCI_STOP# MULTSEL0 SDATA SCLK FS (2:0) I REF Control Logic Config. Reg. REF 3V66_0 CPU DIVDER 3 3 CPUCLKT (2:0) CPUCLKC (2:0) Stop 3V66_1/VCH_CLK PCICLK (6:0) PCI DIVDER 3 7 PCICLK_F (2:0) Stop VDDREF 156 REF X1 255 FS1 X2 354 FS0 GND 453 CPU_STOP#* PCICLK_F0 552 CPUCLKT0 PCICLK_F1 651 CPUCLKC0 PCICLK_F2 750 VDDCPU VDDPCI 849 CPUCLKT1 GND 948 CPUCLKC1 PCICLK0 10 47 GND PCICLK1 11 46 VDDCPU PCICLK2 12 45 CPUCLKT2 PCICLK3 13 44 CPUCLKC2 VDDPCI 14 43 MULTSEL0* GND 15 42 IREF PCICLK4 16 41 GND PCICLK5 17 40 FS2 PCICLK6 18 39 48MHz_USB VDD3V66 19 38 48MHz_DOT GND 20 37 VDD48 3V66_2 21 36 GND 3V66_3 22 35 3V66_1/VCH_CLK 3V66_4 23 34 PCI_STOP#* 3V66_5 24 33 3V66_0 *PD# 25 32 VDD3V66 VDDA 26 31 GND GND 27 30 SCLK Vtt_PWRGD# 28 29 SDATA |
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