XRT91L34IV-F Overview
Clock program is contained in a package of LQFP. There are 128 terminations in it. The part provides 1.8V voltage. This part's peak reflow temperature is utilized to run 260. There are 1 on the device. The maximum frequency for normaloperation is 622.08MHz. Clock program is recommended that Clock program be mounted wClock programh Surface Mount. The device is designed with 128 pins. Circuits application includes 128 pins. This device's minimum working temperature must not be less than -40°C. The operating temperature should be less than 85°C. The supply voltage should be kept at 1.8V. This device can handle 4 outputs on it. This part is employed under 1.89V in terms of the supply voltage. To maintain a supply voltage greater than 1.71V on the device. The device uses the telecom IC type of ATM/SONET/SDH SUPPORT CIRCUIT. When working at a frequency of 77.76MHz, it is able to achieve excellent efficiency. Circuits application is suCircuits applicationable for the part based on ATM;SDH;SONET.
XRT91L34IV-F Features
Peak Reflow Temperature (Cel): 260
Include 1 Circuits
with 128 Pins
operate supply voltage at the range of 1.8V

XRT91L34IV-F Applications
There are a lot of Exar Corporation
XRT91L34IV-F application specific timer applications.

Network Attached Storage
Multi-function Printer
Wireless Access Point
Routers
Ethernet switch/router
PCI Express 2.0/3.0
Broadcast video/audio timing
Processor and FPGA clocking
Any-frequency clock conversion
MSAN/DSLAM/PON

Mount	Surface Mount
Package / Case	LQFP
Number of Pins	128
JESD-609 Code	e3
Pbfree Code	yes
Moisture Sensitivity Level (MSL)	2A (4 Weeks)
Number of Terminations	128
Terminal Finish	Matte Tin (Sn)
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
Applications	ATM;SDH;SONET
Terminal Position	QUAD
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260
Number of Functions	1
Supply Voltage	1.8V
Frequency	77.76MHz
Time@Peak Reflow Temperature-Max (s)	40
Pin Count	128
Number of Outputs	4
Qualification Status	Not Qualified
Operating Supply Voltage	1.8V
Temperature Grade	INDUSTRIAL
Number of Circuits	1
Max Supply Voltage	1.89V
Min Supply Voltage	1.71V
Nominal Supply Current	386mA
Frequency (Max)	622.08MHz
Data Rate	51.84 Mbps
Input	LVDS
PLL	Yes
Telecom IC Type	ATM/SONET/SDH SUPPORT CIRCUIT
Current - Input	200mA
RoHS Status	RoHS Compliant
Lead Free	Lead Free
Factory Lead Time	26 Weeks
Mounting Type	Surface Mount
Package / Case	128-LQFP
Surface Mount	YES
Operating Temperature	-40°C~85°C
Packaging	Tray
Part Status	Obsolete
Voltage - Supply	1.71V~3.465V
Terminal Pitch	0.4mm
Output	LVDS, LVPECL
Input	LVDS, LVPECL
Ratio - Input:Output	1:2
Differential - Input:Output	Yes/Yes
Main Purpose	SONET/SDH, STS, STM