Overview
Description
Programmable Timing Control Hub™ for P4™
Features
- 3 Differential CPU Clock Pairs @ 3.3V
- 7 PCI (3.3V) @ 33.3MHz
- 3 PCI_F (3.3V) @ 33.3MHz
- 1 USB (3.3V) @ 48MHz
- 1 DOT (3.3V) @ 48MHz
- 1 REF (3.3V) @ 14.318MHz
- 5 3V66 (3.3V) @ 66.6MHz
- 1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz
- Supports spread spectrum modulation, down spread 0 to -0.5%.
- Efficient power management scheme through PD#, CPU_STOP# and PCI_STOP#.
- Uses external 14.318MHz crystal
- Stop clocks and functional control available through I2C interface.
- CPU Output Jitter 150ps
- 3V66 Output Jitter 250ps
- CPU Output Skew 100ps, programmable over 800 ps with groups CPU0,1 and CPU2.
Comparison
Applications
Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
| TSSOP | 56 | C | Yes | Reel | ||
| TSSOP | 56 | C | Yes | Tube |
Tips for Using This Parametric Table:
- Hide Filters button in header: Collapse or expands filters
- Column sort buttons in header: Sort Column alphabetically / numerically descending or ascending
- Reset button in header: Reset all filters to the page default
- Full Screen button in header: Expand the table to full screen view (user must close out of full screen before they can interact with rest of page)
- Export button in header: Export the filtered results of the table to an Excel document
- Filter parts search bar in header: Type to filter table results by part number
- Hide column button in column headers: Select to hide columns in table
- AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
- Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
- Document icon next to product name in row: View the featured document for this product
- Chip icon next to the right of the document icon in row: View the block diagram for this product
- Cart icon to the right of the chip icon: Indicates that samples are available for this product