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Part Number: ICS950223
Description: The ICS950223 is a single chip clock solution for desktop designs using the Intel Brookdale chipset wi...
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ICS950223
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DataSheet
General Description
ICS950223 General Description
The ICS950223 is a single chip clock solution for desktop designs using the Intel Brookdale chipset with PC133 or DDR memory.It provides all necessary clock signals for such a system.
The ICS950223 is part of a whole new line of ICS clock generators and buffers called TCH™ (Timing Control Hub). ICS is the first to introduce a whole product line which offers full programmability and flexibility on a single clock device. This part incorporates ICS's newest clock technology which offers more robust features and functionality. Employing the use of a serially programmable I2C interface, this device can adjust the output clocks by configuring the frequency setting, the output divider ratios, selecting the ideal spread percentage, the output skew, the output strength, and enabling/disabling each individual output clock. TCH also incorporates ICS's Watchdog Timer technology and a reset feature to provide a safe setting under unstable system conditions. M/N control can configure output frequency with resolution up to 0.1MHz increment. With all these programmable features ICS's, TCH makes mother board testing, tuning and improvement very simple.
ICS950223 Maximum Ratings
CPU Output Jitter <150ps
3V66 Output Jitter <250ps
CPU Output Skew <100ps
3V66 Output Jitter <250ps
CPU Output Skew <100ps
ICS950223 Features
Output Features:
3 - Pairs of differential CPU clocks (differential current mode)
3 - 3V66 @ 3.3V
10 - PCI @ 3.3V
1 - 48MHz @ 3.3V fixed
2 - REF @ 3.3V, 14.318MHz
1 - 48_66MHz selectable @ 3.3V fixed
1 - 24_48MHz selectable @ 3.3V
Features/Benefits:
QuadRomTM frequency selection.
Programmable output frequency.
Programmable asynchronous 3V66 & PCI frequency.
Programmable output divider ratios.
Programmable output rise/fall time.
Programmable output skew.
Programmable spread percentage for EMI control.
Watchdog timer technology to reset system if system malfunctions.
Programmable watchdog safe frequency.
Support I2C Index read/write and block read/write operations.
Uses external 14.318MHz reference input.
3 - Pairs of differential CPU clocks (differential current mode)
3 - 3V66 @ 3.3V
10 - PCI @ 3.3V
1 - 48MHz @ 3.3V fixed
2 - REF @ 3.3V, 14.318MHz
1 - 48_66MHz selectable @ 3.3V fixed
1 - 24_48MHz selectable @ 3.3V
Features/Benefits:
QuadRomTM frequency selection.
Programmable output frequency.
Programmable asynchronous 3V66 & PCI frequency.
Programmable output divider ratios.
Programmable output rise/fall time.
Programmable output skew.
Programmable spread percentage for EMI control.
Watchdog timer technology to reset system if system malfunctions.
Programmable watchdog safe frequency.
Support I2C Index read/write and block read/write operations.
Uses external 14.318MHz reference input.
ICS950223 Typical Application
Brookdale and Brookdale-G chipset with P4 processor.
ICS950223 Connection Diagram
ICS950223
PDF/DataSheet Download
- Datasheet: ICS950223
- File Size: 214539 KB
- Manufacturer: ICST [Integrated Circuit Systems]
- Click here to Download
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