Main Purpose is Intel QPI, PCI Express (PCIe) - Clock/Timing - Application Specific Distributor - 9ZX21201AKLFT 9ZX21201BKLF 9ZX21501CKLF

Part Number	Manufacturer / Brand	Brife Description	Part Status	PLL	Main Purpose	Input	Output	Number of Circuits	Ratio - Input:Output	Differential - Input:Output	Frequency - Max	Voltage - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
9ZX21201AKLFT	IDT, Integrated Device Technology Inc	IC Z-BUFFER 12OUT DIFF 64MLF	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	1:12	Yes/Yes	150MHz	3.135 V ~ 3.465 V	0°C ~ 70°C	Surface Mount	64-VFQFN Exposed Pad	64-QFN (9x9)
9ZX21201BKLF	IDT, Integrated Device Technology Inc	IC Z-BUFFER 12OUT DIFF 64MLF	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	1:12	Yes/Yes	150MHz	3.135 V ~ 3.465 V	0°C ~ 70°C	Surface Mount	64-VFQFN Exposed Pad	64-QFN (9x9)
9ZX21501CKLF	IDT, Integrated Device Technology Inc	IC BUFFER 15OUT DIFF Z 64MLF	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	1:15	Yes/Yes	400MHz	3.135 V ~ 3.465 V	0°C ~ 70°C	Surface Mount	64-VFQFN Exposed Pad	64-VFQFPN (9x9)
9ZX21901BKLF	IDT, Integrated Device Technology Inc	IC BUFFER PCIE Z 72VFQFPN	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	2:19	Yes/Yes	400MHz	3.135 V ~ 3.465 V	0°C ~ 70°C	Surface Mount	72-VFQFN Exposed Pad	72-VFQFPN (10x10)
9ZX21901BKLFT	IDT, Integrated Device Technology Inc	IC BUFFER PCIE Z 72VFQFPN	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	2:19	Yes/Yes	400MHz	3.135 V ~ 3.465 V	0°C ~ 70°C	Surface Mount	72-VFQFN Exposed Pad	72-VFQFPN (10x10)
9ZX21901CKLF	IDT, Integrated Device Technology Inc	IC BUFFER PCIE Z 72VFQFPN	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	1:19	Yes/Yes	400MHz	3.135 V ~ 3.465 V	0°C ~ 70°C	Surface Mount	72-VFQFN Exposed Pad	72-VFQFPN (10x10)
9ZX21901CKLFT	IDT, Integrated Device Technology Inc	IC BUFFER PCIE Z 72VFQFPN	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	1:19	Yes/Yes	400MHz	3.135 V ~ 3.465 V	0°C ~ 70°C	Surface Mount	72-VFQFN Exposed Pad	72-VFQFPN (10x10)
SI53019-A01AGM	Silicon Labs	IC BUFFER ZDB PCIE 119 72QFN	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	1:19	Yes/Yes	133.33MHz	3.135 V ~ 3.465 V	-40°C ~ 85°C	Surface Mount	72-VFQFN Exposed Pad	72-QFN (10x10)
SI53019-A01AGMR	Silicon Labs	IC BUFFER ZDB PCIE 119 72QFN	Active	Yes	Intel QPI, PCI Express (PCIe)	Clock	HCSL	1	1:19	Yes/Yes	133.33MHz	3.135 V ~ 3.465 V	-40°C ~ 85°C	Surface Mount	72-VFQFN Exposed Pad	72-QFN (10x10)

Manufacturers for Clock/Timing - Application Specific