ZL30281
3-Output PCIe Gen 1-4 Clock Generator
Overview
The ZL30281 is a high-performance PCIe Gen 1-4 clock generator. From a 25MHz crystal or CMOS input these devices generate 100 MHZ in four pre-programmed output configurations immediately on power-up. The devices have industry-leading output jitter of 160fs RMS (12kHz to 20MHz).White Paper: Spread Spectrum Clocking
White Paper: PCI Express Refclk Jitter Compliance
Applications/Uses
- PCIe Gen1 to Gen4 clock generation for PCIe storage systems, riser cards, JBOF, etc.
Key Features
- 25MHz crystal or CMOS input
- Generates PCIe Gen1 to Gen4 output clocks
- Four default configurations selected by hardware pins at reset:
- Config0: 100MHz on output OC1 (CML format)
- Config1: 100MHz on OC1, OC2 (CML)
- Config2: 100MHz on OC1 (CML), OC2 (HSTL)
- Config3: 100MHz on OC1, OC2 (CML) and 25MHz LVCMOS on OC3
- Per-output controls (using SPI or I2C interface)
- Per-output enable/disable and glitchless start/stop (stop high or low)
- Precise output alignment circuitry and peroutput phase adjustmen
General Features
- SPI or I 2C processor Interface
- Tiny 5x5mm QFN package
Resources
Packaging Information
- Soldering Profiles
- Moisture Sensitivity (as applicable to SMD's)
- Device Shelf life - Storage and Soldering
- Reliability
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Ordering
Clock Generator 25MHz 3-OUT 32-Pin QFN T/R
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
| DigiKey | ZL30281LDF1-ND | 4000 | Tape & Reel | No Stock |
Clock Generator 25MHz 3-OUT 32-Pin QFN Tray
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
| DigiKey | ZL30281LDG1-ND | 490 | Tray | No Stock |
