ICS9FG1904B-1 Description
Integrated Circuit Systems, Inc. ICS9FG1904B-1 Frequency Generator for CPU, PCIe Gen 1, PCIe Gen 2 & FBD Remended Application: DB1900GS/GSO with 15:4 output grouping.
ICS9FG1904B-1 Key Features
- Power up default is all outputs in 1:1 mode
- DIF_(14:0) can be “gear-shifted” from the input CPU
- DIF_(18:15) can be “gear-shifted” from the input CPU
- Spread spectrum patible
- Supports output clock frequencies up to 400 MHz
- 8 Selectable SMBus addresses
- SMBus address determines PLL or Bypass mode
- DIF output cycle-to-cycle jitter < 50ps
- DIF output-to-output skew < 100ps within a group