LMK5B33414 3-DPLL 3-APLL 4-IN 14-OUT Network Synchronizer With BAW VCO for Ethernet-Based Networking Applications

1 Features

Ultra-low jitter BAW VCO based Ethernet clocks
- 13fs typical RMS jitter at 625MHz with 4MHz 1^st order high-pass filter (HPF)
- 24fs typical RMS jitter at 312.5MHz with 4MHz 1^st order HPF
- 42fs typical/ 60fs maximum RMS jitter at 312.5MHz
- 47fs typical/ 65fs maximum RMS jitter at 156.25MHz
Three high-performance Digital Phase Locked Loops (DPLLs) with paired Analog Phase Locked Loops (APLLs)
- Programmable DPLL loop bandwidth from 1mHz to 4kHz
- < 1ppt DCO frequency adjustment step size
Four differential or single-ended DPLL inputs
- 1Hz (1PPS) to 800MHz input frequency
- Digital holdover and hitless switching
14 differential outputs with programmable HSDS, AC-LVPECL, LVDS, and HSCL formats
- Up to 18 total frequency outputs when configured with 6 LVCMOS frequency outputs on OUT[1:0]_P/N, GPIO1, and GPIO2 and 12 differential outputs on OUT[13:2]_P/N
- 1Hz (1PPS) to 1250MHz output frequency with programmable swing and common mode
- PCIe Gen 1 to 6 compliant
I²C, 3-wire SPI, or 4-wire SPI
–40°C to 85°C operating temperature

Wired networking
- Inter/Intra DC interconnect
- Timing card, line card, fixed card (pizza box)
SyncE (G.8262), SONET/SDH (Stratum 3/3E, G.813, GR-1244, GR-253), IEEE-1588 PTP secondary clock
Jitter cleaning, wander attenuation, and reference clock generation for 112G/224G PAM-4 SerDes
100G-800G data center switches, core routers, edge routers, WLAN
Data center and enterprise computing
- Smart Network Interface Card (NIC)
Optical Transport Networks (OTN G.709)
Broadband fixed line access
Industrial
- Test and measurement
- Medical imaging