PCIe 3.0 Clock Generator with 4 HCSL Outputs
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The PI6CFGL402B is a spread spectrum clock generator compliant to PCI Express® 3.0 and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce Electromagnetic Interference (EMI).
The PI6CFGL402B provides four differential (HCSL) or LVDS spread spectrum outputs. The PI6CFGL402B is configured to select spread and clock selection. Using Diodes' patented Phase-Locked Loop (PLL) techniques, the device takes a 25MHz crystal input and produces four pairs of differential outputs (HCSL) at 100MHz and 200MHz clock frequencies. It also provides spread selection of -0.5%, -1.0%, -1.5%, and no spread.
PCIe® 3.0, 2.0 and 1.0 complaint
LVDS compatible outputs
Supply voltage of 3.3V ±5%
25MHz crystal or clock input frequency
Low power consumption with independent output power supply 1.05V to 3.3V
Jitter 40ps cycle-to-cycle (typ)
Spread of -0.5%, -1.0%, -1.5%, and no spread
Industrial temperature range
Spread Bypass option available
Spread and frequency selection via external pins
Packaging: (Pb-free and Green)
→20-pin, 173-mil wide TSSOP
Compliance (Only Automotive Supports PPAP) |
Standard |
|---|---|
Function |
Generator |
Input Type(s) |
Crystal, CMOS |
Additive Jitter (ps) |
<1 |
Number of Outputs |
4 |
Maximum Output Frequency (MHz) |
100 |
Output Type(s) |
HCSL |
Skew (PS) |
50 |
Supply Voltage (V) |
3.3 |
Ambient or Junction Temperature (°C) |
-40 to 85 |
Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents
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A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.
| PCN # | Issue Date | Implementation Date | Subject |
|---|---|---|---|
| PCN-2770 | 2025-10-30 | 2025-10-30 | Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products |
