Overview
Description
The 8413S08I is a PLL-based clock generator specifically designed for Cavium Networks SoC processors. This high performance device is optimized to generate the processor core reference clock, the PCI/PCI-X/PCIe bus clocks, the clocks for both the Gigabit Ethernet MAC and PHY and also the optional SGMII clock. The clock generator offers ultra low-jitter, low-skew clock outputs, and edge rates that easily meet the input requirements for the CN56xx series of processors. The output frequencies are generated from a 25MHz external input source or an external 25MHz parallel resonant crystal. The industrial temperature range of the 8413S08I supports tele- communication, networking, and storage requirements.
Features
- Eight selectable 100MHz or 125MHz clocks for PCI Express™ and sRIO, HCSL interface levels
- One 156.25MHz SGMII clock, LVPECL interface levels
- Three LVCMOS/LVTTL outputs, 20Ω output impedance
- Selectable external crystal or differential (single-ended) input source
- Crystal oscillator interface designed for 25MHz, parallel resonant crystal
- Differential CLK, nCLK input pair that can accept: LVPECL, LVDS, LVHSTL, HCSL input levels
- Internal resistor bias on nCLK pin allows the user to drive CLK input with external single-ended (LVCMOS/ LVTTL) input levels
- Output supply voltage modes:
VDD / VDDO
3.3V/3.3V
3.3V/2.5V - Full 3.3V output supply mode (HCSL)
- PCI Express™ (2.5 Gb/s), Gen 2 (5 Gb/s), and Gen 3 (8 Gb/s) jitter compliant
- -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.