9QXL2000B

20-Output DB2000Q 9QXL2000B Datasheet Description The 9QXL2000B is a 20-output very-low-additive phase jitter fanout buffer for PCIe Gen4 and Gen5. It offers integrated terminations for 85Ω transmission lines. PCIe Clocking Architectures ▪ Common Clocked (CC) ▪ Independent Reference (IR) with and without spread spectrum Typical Applications ▪ Servers ▪ Storage ▪ Networking ▪ SSDs Features ▪ Low-Power HCSL (LP-HCSL) 85Ω outputs eliminate 80 resistors, saving 130mm2 of area ▪ Low-Power HCSL (LP-HCSL) outputs reduce device power consumption by 50% ▪ 8 OE# pins configurable to control up to 20 outputs ▪ 9 selectable SMBus addresses ▪ Spread spectrum compatible ▪ 10 × 10 mm 72-VFQFPN package Output Features ▪ 20 Low-Power HCSL (LP-HCSL) 85Ω output pairs Key Specifications ▪ Output-to-output skew: < 50ps ▪ Additive phase jitter: DB2000Q filter < 40fs rms ▪ Additive Phase jitter: PCIe Gen4 filter < 40fs rms ▪ Additive Phase jitter: PCIe Gen5 filter < 20fs rms ▪ DB2000Q v1.1 pinout Block Diagram VDDR VDD x 6 DIF_IN# DIF_IN DIF_19# DIF_19 ^vSADR0_tri ^vSADR1_tri SMBCLK SMBDAT ^CKPWRGD _PD# OE[5:12]# SMBus Engine Factory Configuration Control Logic 20 outputs DIF_0# DIF_0 GNDR EPAD/GND GND x 5 ©2019-2022 Renesas Electronics Corporation 1 R31DS0049EU040 March 9, 2022 9QXL2000B Datasheet Contents Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...