Features: • Generates common CPU frequencies from 14.318 MHz or 25 MHz• Crystal or reference input• 4 - 0.7V current-mode differential output pairs• Supports Serial-ATA at 100 MHz• Two spread spectrum modes: 0 to -0.5 downspread and +/-0.25% centerspread• Unused...
ICS9FG104: Features: • Generates common CPU frequencies from 14.318 MHz or 25 MHz• Crystal or reference input• 4 - 0.7V current-mode differential output pairs• Supports Serial-ATA at 10...
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Symbol | Parameter | Min | Max | Units |
VDD_A | 3.3V Core Supply Voltage | VDD + 0.5V | V | |
VDD_In | 3.3V Logic Input Supply Voltage | GND - 0.5 | VDD + 0.5V | V |
Ts | Storage Temperature | -65 | 150 | |
Tambient | Ambient Operating Temp | 0 | 70 | |
Tcase | Case Temperature | 115 | ||
ESD prot | Input ESD protection human body model |
2000 | V |
The ICS9FG104 is a Frequency Timing Generator that provides 4 differential output pairs that are compliant to the Intel CK410 specification. It also provides support for PCI-Express and SATA. The part synthesizes several output frequencies from either a 14.31818 Mhz crystal or a 25 MHz crystal. The device can also be driven by a reference input clock instead of a crystal. It provides outputs with cycle-to-cycle jitter of less than 50 ps and output-to-output skew of less than 35 ps.
The ICS9FG104 also provides a copy of the reference clock. Frequency selection can be accomplished via strap pins or SMBus control.