Overview
Description
The 844008I-15 is an 8 output LVDS synthesizer optimized to generate PCI Express reference clock frequencies. Using a 25MHz parallel resonant crystal, the following frequencies can be generated based on F_SEL pin: 100MHz or 125MHz. The 844008I-15 uses our 3rd generation low phase noise VCO technology and can achieve <1ps typical rms phase jitter, easily meeting PCI Express jitter requirements. The 844008I-15 is packaged in a 32-pin LQFP package.
Features
- Eight LVDS outputs
- Crystal oscillator interface
- Supports the following output frequencies: 100MHz or 125MHz
- VCO: 500MHz
- RMS phase jitter @ 125MHz, using a 25MHz crystal (1.875MHz - 20MHz): 0.42ps (typical)
- Full 3.3V supply modes
- -40°C to 85°C ambient operating temperature
- Available in lead-free (RoHS 6) package
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
| TQFP | 32 | Tray | 3 | 0 | 250 | Yes | e3 Sn | -40 to +85°C | ||
| TQFP | 32 | Reel | 3 | 2000 | 0 | Yes | e3 Sn | -40 to +85°C |
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