ICS9248-157
ICS9248-157 is Frequency Generator & Integrated Buffers manufactured by Integrated Circuit Systems.
Integrated Circuit Systems, Inc.
Frequency Timing Generator for Pentium II Systems
Remended Application: ALI1621/1632M style chipsets Output Features
:
- 2
- CPUs @2.5V, up to 140MHz.
- 7
- PCI @3.3V, (including one free running)
- 1
- 48MHz, @3.3V fixed.
- 2
- REF @3.3V, 14.318MHz. Features
:
- Up to 140 MHz frequency support
- Support power management: CPU, PCI stop and Power down.
- Spread spectrum for EMI control (0.5% down spread).
- Uses external 14.318MHz crystal
- FS pins for frequency select Key Specifications:
- CPU
- CPU: <175ps
- PCI
- PCI: <250ps
- CPU(early)-PCI: 1.5ns
- 4ns
- PCI_E (early)
- PCI: 2.1ns
Pin Configuration
- FS1/REF0 X1 X2
- - FS2/PCICLK_F
- SEL_CPUF#/PCICLK0 PCICLK1 GND VDDPCI PCICLK2 PCICLK3 PCICLK4 PCICLK_E...
