Integrated Circuit Systems ICS94209
The ICS94209 is a single chip clock solution for desktop designs using 630S chipsets. It provides all necessary clock signals for such a system. The ICS94209 belongs to ICS new generation of programmable system clock generators.| Part No. | ICS94209 |
|---|---|
| Datasheet | ICS94209 Download |
| Manufacturer |  Integrated Circuit Systems |
| Description | Programmable Frequency Generator & Integrated Buffers |
| Buy | Stock & Price |
FEATURES
:● 3 - CPU @ 2.5V
● 13 - SDRAM @ 3.3V
● 6- PCI @3.3V,
● 2 - AGP @ 3.3V
● 1- 48MHz, @3.3V fixed.
● 1- 24/48MHz, @3.3V selectable by I2C (Default is 24MHz)
● 2- REF @3.3V, 14.318MHz.
FEATURES
:● Programmable ouput frequency.
● Programmable ouput rise/fall time.
● Programmable SDRAM and CPU skew.
● Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage.
● Watchdog timer technology to reset system if over-clocking causes malfunction.
● Uses external 14.318MHz crystal.
● FS pins for frequency select Skew Specifications:
● CPU - CPU: < 175ps
● SDRAM - SDRAM < 250ps (except SDRAM12)
● PCI - PCI: < 500ps
● CPU (early) - PCI: 1-4ns (typ. 2ns) Pin Configuration VDDA *(AGPSEL)REF0 1 *(FS3)REF1 GND X1 X2 VDDPCI *(FS1)PCICLK_F *(FS2)PCICLK0 PCICLK1 PCICLK2 PCICLK3 PCICLK4 GND VDDAGP AGPCLK0 AGPCLK1 GND GND *(FS0)48MHz *(MODE)24_48MHz VDD48 SDATA SCLK 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36...
