5PB11xx LVCMOS High-Performance Clock Buffers Renesas Electronics 5PB11xx LVCMOS High-Performance Clock Buffers have a best-in-class sub-50fs RMS additive phase jitter (12KHz to 20MHz). The 5PB11xx family supports an Output Enable function in five different fan-out variations, 1:2 to 1:10. The Renesas Electronics 5PB11xx are available in various packages and operate from a 1.8V to 3.3V supply.