Quad Port Dual Media QSGMII/SGMII GbE PHY with VeriTime™
https://www.epsglobal.com/Media-Library/EPSGlobal/Products/files/microsemi/VSC8574.jpg?ext=.jpg&maxsidesize=400
Part of the SynchroPHY suite of 1GE, 10GE and 10GE OTN devices, the VSC8574 is the next-generation Gigabit Ethernet (GE) PHY transceiver for carrier applications designed to simplify the support of fully traceable timing across G backhaul devices, cellular base stations, and other timing-critical platforms.
VSC8574
VSC8574
Microchip
https://www.epsglobal.com/getmetafile/08eb4c8a-e70e-4479-bb89-9c506bf41808/Microchip