The ZL40268 is 3x8 HCSL/LVDS/LVPECL clock fan out buffer with ultra-low additive jitter of 24fs capable of operating at frequencies up to 1.5 GHz. Using the 8 output ZL40268 and utilizing the individual output pins or I2C interface, you can create hot-swappable PCIe clocktrees.

Applications include PCI Express generation 1/2/3/4/5 clock distribution, Intel QPI and UPI distribution, Servers, storage and data centers, switches and routers. 

• 3 to 1 input Multiplexer: Two inputs accept any differential (LVPECL, HCSL, LVDS, SSTL, CML, LVCMOS) or a single ended signal and the third input accepts a crystal or a single ended signal
• Eight differential HCSL/LVDS/LVPECL outputs
• Ultra-low additive jitter: 24fs (integration band: 12kHz to 20MHz at 625MHz clock frequency)
• Supports clock frequencies from 0 to 1.5GHz
• Supports 2.5V or 3.3V power supplies on HCSL/LVDS/LVPECL outputs
• Embedded Low Drop Out (LDO) Voltage regulator provides superior Power Supply Noise Rejection
• Maximum output to output skew of 50ps
• Device controlled via I2C or hardware control pins
• Factory configurable default settings via OTP
• Transparent for spread spectrum clock
• Applications
• PCIe Gen1/2/3/4/5 clock distribution
• Wired communications: OTN, SONET/SDH, GE, 10 GE, FC and 10G FC
• General purpose clock distribution
• Low jitter clock trees
• Logic translation
• Clock and data signal restoration
• Wireless communications
• High performance microprocessor clock distribution
• Test Equipment