9ZX21901DKLF Overview
There is a package named Tray that contains it. As part of the packaging, there is a serial number 72-VFQFN Exposed Pad associated with the product. Clock program is recommended to mount Surface Mount on the wall. As of the moment, the device has 1. In a normaloperation, there is 400MHz maximum frequency. Temperatures can be varied in the operating range of 0°C~70°C TA. A component can supply 3.135V~3.465V voltage. This component serves a single purpose Intel QPI, PCI Express (PCIe). This output is intended to be HCSL.
9ZX21901DKLF Features
Mounting Type: Surface Mount
Include 1 Circuits
run the output at th range of HCSL

9ZX21901DKLF Applications
There are a lot of Renesas Electronics America Inc.
9ZX21901DKLF application specific timer applications.

Any-frequency clock conversion
MSAN/DSLAM/PON
Fibre Channel, SAN
Telecom line cards
1 GbE and 10 GbE
Servers, Storage, Search Acceleration
Ethernet Switches, Routers
Small Cells, Mobile Backhaul/Fronthaul
Print Imaging
Communications

Factory Lead Time	12 Weeks
Mounting Type	Surface Mount
Package / Case	72-VFQFN Exposed Pad
Operating Temperature	0°C~70°C TA
Packaging	Tray
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Voltage - Supply	3.135V~3.465V
Output	HCSL
Number of Circuits	1
Frequency (Max)	400MHz
Input	Clock
Ratio - Input:Output	1:19
PLL	Yes with Bypass
Differential - Input:Output	Yes/Yes
Main Purpose	Intel QPI, PCI Express (PCIe)
RoHS Status	ROHS3 Compliant