MK1491-09FLN Overview
An accompanying case is included. There are 28 terminations in it. The part provides a voltage of 3.3V volts. The peak reflow temperature is used to run 260. Total number of uPs/uCs/peripheral ICs is CLOCK GENERATOR, PROCESSOR SPECIFIC. 1 are present on the device. normaloperation has a maximum frequency of 66MHz. Currently, there are 1999 publications of the part. The Surface Mount mounting method is recommended. There are 28 pins on this device. The board has 28 pins. The minimum working temperature of this device cannot be lower than 0°C. There should be a temperature below 70°C during operation. 3.3V should be the supply voltage. A 12 output can be maintained on the device. According to the supply voltage, this part operates at 3.46V. In order to maintain a device's supply voltage greater than 3.13V. An excellent efficiency can be achieved when working at a frequency of 66MHz.
MK1491-09FLN Features
Peak Reflow Temperature (Cel): 260
uPs/uCs/Peripheral ICs Type of CLOCK GENERATOR, PROCESSOR SPECIFIC
Include 1 Circuits
with 28 Pins
operate supply voltage at the range of 3.3V

MK1491-09FLN Applications
There are a lot of Integrated Device Technology (IDT)
MK1491-09FLN application specific timer applications.

Ethernet switch/router
PCI Express 2.0/3.0
Broadcast video/audio timing
Processor and FPGA clocking
Any-frequency clock conversion
MSAN/DSLAM/PON
Fibre Channel, SAN
Telecom line cards
1 GbE and 10 GbE
Servers, Storage, Search Acceleration

Factory Lead Time	7 Weeks
Mount	Surface Mount
Package / Case	SSOP
Number of Pins	28
Published	1999
JESD-609 Code	e3
Pbfree Code	yes
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	28
ECCN Code	EAR99
Terminal Finish	Matte Tin (Sn) - annealed
Max Operating Temperature	70°C
Min Operating Temperature	0°C
Terminal Position	DUAL
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260
Supply Voltage	3.3V
Terminal Pitch	0.65mm
Frequency	66MHz
Pin Count	28
Number of Outputs	12
Operating Supply Voltage	3.3V
Temperature Grade	COMMERCIAL
Number of Circuits	1
Max Supply Voltage	3.46V
Min Supply Voltage	3.13V
Nominal Supply Current	60mA
uPs/uCs/Peripheral ICs Type	CLOCK GENERATOR, PROCESSOR SPECIFIC
Frequency (Max)	66MHz
Input	Crystal
Primary Clock/Crystal Frequency-Nom	14.31818MHz
PLL	No
Length	10.2mm
Width	5.3mm
Thickness	1.73mm
RoHS Status	RoHS Compliant
Lead Free	Lead Free
Factory Lead Time	12 Weeks
Mounting Type	Surface Mount
Package / Case	28-SSOP (0.209, 5.30mm Width)
Supplier Device Package	28-SSOP
Operating Temperature	0°C~70°C
Packaging	Tube
Voltage - Supply	3.15V~3.45V
Base Part Number	MK1491-09
Output	Clock
Ratio - Input:Output	1:12
PLL	Yes
Differential - Input:Output	No/No
Main Purpose	AMD CPU
RoHS Status	ROHS3 Compliant