Ratio - Input:Output is 1:12 - Clock/Timing - Application Specific Distributor - 9ZX21201AKLFT 9ZX21201BKLF MK1491-09FLN

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)
MK1491-09FLN	IDT, Integrated Device Technology Inc	IC CLOCK FREQ SYNTH CPU 66MHZ	Active	Yes	AMD CPU	Crystal	Clock	1	1:12	No/No	66MHz	3.15 V ~ 3.45 V	0°C ~ 70°C	Surface Mount	28-SSOP (0.209", 5.30mm Width)	28-SSOP
MK1491-09FLNTR	IDT, Integrated Device Technology Inc	IC CLOCK FREQ SYNTH CPU 66MHZ	Active	Yes	AMD CPU	Crystal	Clock	1	1:12	No/No	66MHz	3.15 V ~ 3.45 V	0°C ~ 70°C	Surface Mount	28-SSOP (0.209", 5.30mm Width)	28-SSOP
PI6C21200AE	Diodes Incorporated	IC CLOCK DVR 112 PCI-EX 56TSSOP	Obsolete	Yes	PCI Express (PCIe)	HCSL	HCSL	1	1:12	Yes/Yes	400MHz	3.135 V ~ 3.465 V	0°C ~ 70°C	Surface Mount	56-TFSOP (0.240", 6.10mm Width)	56-TSSOP