特性
- 3 CPU(2.5V/3.3V) up to 133.3MHz.
- 6 PCI(3.3V) (including 1 free-running)
- 13 SDRAMs(3.3V) up to 133.3MHz.
- 3 REF (3.3V) @ 14.318MHz
- 1 clock @ 24/14.3 MHz selectable output for SIO
- 1 Fixed clock at 48MHz (3.3V)
- 1 IOAPIC @ 2.5V / 3.3V
Skew characteristIDT:CPU – CPU175ps
- SDRAM – SDRAM 250ps
- CPU–SDRAM 500ps
- CPU(early) – PCI : 1-4ns (typ. 3ns)
- PCI – PCI 500ps
- Supports Spread Spectrum modulation ±0.25 &
- ±0.5% center spreadSerial I2C interface for Power Management,
- Frequency Select, Spread Spectrum.Efficient Power management scheme through PCI,
- SDRAM, CPU STOP CLOCKS and PD#.Uses external 14.318MHz crystal
- 48 pin 300mil SSOP.
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