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ICS9248-98

Renesas
Part Number ICS9248-98
Manufacturer Renesas
Description Frequency Generator & Integrated Buffer
Published Feb 28, 2021
Detailed Description ICS9248-98 Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: 440BX/VIA Apollo 1...
Datasheet PDF File ICS9248-98 PDF File

ICS9248-98
ICS9248-98

Overview
ICS9248-98 Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: 440BX/VIA Apollo 133 style chipset.
Output Features: • 2 - CPUs @2.
5V, up to 166MHz.
• 1 - IOAPIC @ 2.
5V • 13 - SDRAM @ 3.
3V • 6 - PCI @3.
3V, • 1 - 48MHz, @3.
3V fixed.
• 1 - 24MHz @ 3.
3V • 2 - REF @3.
3V, 14.
318MHz.
Features: • Up to 166MHz frequency support • Support power management: PCI, CPU stop and Mode • Spread spectrum for EMI control (0 to -0.
5%, ± 0.
25%).
• Uses external 14.
318MHz crystal Skew Specifications: • CPU – CPU: <175ps • SDRAM - SDRAM: <250ps • PCI – PCI: <500ps • BUFFER_IN-SDRAM: <5ns • CPU(early)-PCI: Min=1.
0ns, Typ=2.
3ns, Max=4.
0ns VDD1 *PCI_STOP/REF0 GND X1 X2 VDD2 *MO...


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