PCIe 2.0 Clock Generator with 2 HCSL Outputs
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The PI6C557-03A is a spread spectrum clock generator compliant to PCI Express® 2.0 and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce Electromagnetic Interference (EMI). The PI6C557-03A provides two differential (HCSL) or LVDS spread spectrum outputs.
The PI6C557-03A 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 two pairs of differential outputs (HCSL) at 25MHz, 100MHz, 125MHz and 200MHz clock frequencies. It also provides spread selection of -0.5%, -0.75%, and no spread.
Compliance (Only Automotive Supports PPAP) |
Standard |
|---|---|
Function |
Generator |
Input Type(s) |
Crystal, CMOS |
Additive Jitter (ps) |
<3 |
Number of Outputs |
2 |
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 |
| PCN-2487 | 2020-10-07 | 2021-01-07 | Fab Porting from Global Foundries to Magnachip, Assembly & Test Site Transfer, and Datasheet Change |
