Microchip Technology ZL30291B Clock Generators

Microchip Technology ZL30291B Clock Generators fully comply with the Intel CK440Q Standard. The ultra-low jitter, low-power clock generator operates from a 3.3V±10% supply to meet the PCIe Electromechanical Specification, which requires a 3.3V supply tolerance of ±9%.

The Microchip ZL30291B Clock Generators are specified over the industrial temperature range of -40°C to +85°C. The ZL30291B is ideal for PCIe 1/2/3/4/5/6 clock generation, platform tuning, storage, and data centers.

Features

  • Fully compliant with Intel CK440Q specification
  • Fully compliant with PCIe Gen 1/2/3/4/5/6
  • 19 low-power push-pull HCSL PCIe outputs
    • Seven dedicated 100MHz outputs
    • Three dedicated 25MHz outputs
    • Nine selectable outputs from 25MHz or 100MHz
    • Embedded source terminations
  • Platform time input and output clocks
  • Ultra-Low Jitter at 80fs maximum
  • Programmable SSC on 100MHz outputs
  • Embedded Low Dropout (LDO) voltage regulator provides superior power supply noise rejection
  • Maximum output-to-output skew of 50ps
  • SMBus and side-band interface
  • 3.3V ±10% power supply tolerance meets PCIe
  • Electromechanical specification (3.3V ±9%)

Applications

  • PCIe Gen1/2/3/4/5/6 clock generation
  • Platform tuning
  • Intel QPI/UPI
  • Servers
  • Storage and data centers
  • Switches and routers

Functional Block Diagram

Block Diagram - Microchip Technology ZL30291B Clock Generators
Opublikowano: 2025-07-09 | Zaktualizowano: 2026-01-28