Features
▪ 12 Low-power HCSL (LP-HCSL) outputs
▪ Integrated terminations for 85Ω (9ZXL1255/56) and 100Ω
(9ZXL1245) systems eliminate up to 4 resistors per output pair
▪ Flexible Power Sequencing (FPS) configuration via SMBus
▪ Power Down Tolerant input (PDT); inputs: SEL_A_B#,
SADR[1:0]_tri, OE# pins
▪ Input-to-output delay: 0ps default. Programmable through 360°
▪ 2 software-configurable input-to-output delay lines
▪ Dedicated OE# pins support PCIe CLKREQ# function
▪ Up to 9 selectable SMBus addresses (9ZXL1245/55)
▪ SMBus Write Protect Pin (9ZXL1256)
▪ Selectable ZDB bandwidths minimizes jitter peaking in
cascaded ZDB topologies
▪ Hardware/SMBus control of ZDB and FOB modes
▪ Spread-spectrum compatible
▪ Up to 400MHz FOB operation
▪ 100MHz ZDB mode operation
▪ -40°C to +85°C operating temperature range
▪ 10 × 10 mm 72-VFQFPN package
Typical Applications
▪ Servers/High-performance Computing
▪ nVME Storage
▪ Networking
▪ Accelerators
▪ Industrial Control