ZL30281 - Three-Output PCIe Clock Generator

Microchip

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Datasheet Details

Part number	ZL30281
Manufacturer	Microchip
File Size	1.28 MB
Description	Three-Output PCIe Clock Generator
Datasheet	ZL30281-Microchip.pdf

ZL30281 Product details

Description

” 7 3.0 “Functional Description” 9 3.1 “Pin-Controlled Automatic Configuration at Reset” 9 3.2 “Local Oscillator or Crystal” 9 3.2.1 “External Oscillator” 9 3.2.2 “External Crystal and On-Chip Driver Circuit” 9 3.3 “Output Clock Configuration” 10 3.3.1 “Output Signal Format, Voltage, and Interfacing” 10 3.3.2 “Output Phase Adjustment and Phase Alignment” 11 3.3.2.1 “Phase Adjustment” 11 3.3.2.2 “Phase Alignment, Output-to-Output” 11 3.3.3 “Output Clock Start, Stop, and High-Impedance” 12

Features

25 MHz Crystal or CMOS Input.
Generates PCIe 1, 2, 3, 4, 5, 6 Jitter-Compliant Clocks with CML Outputs.
Four Default Configurations Selected by Hardware Pins at Reset: - Config0: 100 MHz on Output OC1 (CML) - Config1: 100 MHz on OC1, OC2 (CML) - Config2: 100 MHz on OC1 (CML), OC2 (HSTL) - Config3: 100 MHz on OC1, OC2 (CML) and 25 MHz LVCMOS on OC3.
Per-Output Controls (Using SPI or I2C Interface) - Per-Output Enable/Disable and Glitchless Start/Stop (Stop Hig.

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Published: Jan 21, 2024 |