ICS9248BF-195
ICS9248BF-195 Datasheet
ICS9248 - 195
| Part | Datasheet |
|---|---|
ICS9248BF-195 |
ICS9248BF-195 (pdf) |
| PDF Datasheet Preview |
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| Integrated Circuit Systems, Inc. ICS9248 - 195 Frequency Generator & Integrated Buffers for PENTIUM II IIITM & K6 Recommended Application: Key Specifications: 440BX, MX, VIA PM/PL/PLE 133 style chip set, with Coppermine or Tualatin processor, for note book applications. Output Features • 4 - CPUs 2.5V/3.3V including 1 free running CPUCLK_F • 9 - SDRAM 3.3V • CPU Output Jitter 2.5V <300ps • CPU Output Jitter 3.3V <250ps • PCI Output Jitter 3.3V <250ps • CPU Output Skew 2.5V <175ps • CPU Output Skew 3.3V <175ps • PCI Output Skew 3.3V <500ps • PCI Early to PCI Skew 3.3V typ = 3ns • SDRAM Output Skew 3.3V <500ps • 7 - PCI 3.3V, including 1 free running PCICLK_F • 1 - PCI Early 3.3V Pin Configuration • 1 - 48MHz, 3.3V fixed. VDDREF • 1 - 24/48MHz 3.3V *SPREAD/REF0 • 2 - REF 14.318MHz. GNDREF Features: VDDPCI • Up to 137MHz frequency support • 97MHz to support high-end AMD processor. *CPU2.5_3.3#/PCICLK_F *FS3/PCICLK0 GNDPCI Support power management CLK, PCI, stop and Power down Mode from I2C programming. *SEL24_48#/PCICLK1 *SELPCIE_6#/PCICLK2 PCICLK3 10 11 12 • Spread spectrum for EMI control PCICLK4 VDDPCI • Uses external 14.318MHz crystal BUFFER IN GNDPCI • FS pins for frequency select PCICLK5 PCICLK6/PCICLK_E VDDCOR PCI_STOP# *Vtt_PWRGD/PD# GND48 Ordering Information ICS9248yF-195LF-T Example: ICS XXXX y F LF- T Designation for tape and reel packaging Lead Free Optional Package Type ICS = Standard Device |
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