Features .......................................................................................................................................................................................1
3.2 x 2.5 mm Package Pinout .......................................................................................................................................................1
Ordering Information .....................................................................................................................................................................2
Dimensions and Patterns ― 3.2 x 2.5 mm .................................................................................................................................16
Dimensions and Patterns ― 5.0 x 3.2 mm .................................................................................................................................16
Dimensions and Patterns ― 7.0 x 5.0 mm .................................................................................................................................17
Additional Information .................................................................................................................................................................18
Revision History ..........................................................................................................................................................................19
Rev 1.05
Page 3 of 19
www.sitime.com
SiT3373
220 MHz to 725 MHz Ultra-low Jitter Differential VCXO
Electrical Characteristics
Table 2. Electrical Characteristics – Common to LVPECL, LVDS and HCSL
All Min and Max limits in the Electrical Characteristics tables are specified over temperature and rated operating voltage with standard
output termination shown in the termination diagrams. Typical values are at 25°C and nominal supply voltage.
Parameter
Output Frequency Range
Frequency Stability
Symbol
f
F_stab
Min.
220.000001
-15
-25
-35
-50
Operating Temperature Range
T_use
-20
-40
-40
-40
Supply Voltage
Vdd
2.97
2.70
2.52
2.25
Pull Range
Upper Control Voltage
Lower Control Voltage
Control Voltage Input Impedance
Control Voltage Input Bandwidth
Pull Range Linearity
Frequency Change Polarity
Input Voltage High
Input Voltage Low
Input Pull-up Impedance
Duty Cycle
Start-up Time
OE Enable/Disable Time
PR
VC_U
VC_L
VC_z
V_c
Lin
–
VIH
VIL
Z_in
DC
T_start
T_oe
70%
–
–
45
–
–
Typ.
–
–
–
–
–
–
–
–
–
3.30
3.00
2.80
2.50
Max.
725
+15
+25
+35
+50
+70
+85
+95
+105
Supply Voltage
3.63
3.30
3.08
2.75
V
V
V
V
ppm
Vdd
Vdd
MΩ
kHz
%
–
–
30%
-
55
3.0
3.8
Vdd
Vdd
kΩ
%
ms
µs
Measured from the time Vdd reaches its rated minimum value.
f = 322.265625 MHz. Measured from the time OE pin reaches
rated VIH and VIL to the time clock pins reach 90% of swing
and high-Z. See
Figure 9
and
Figure 10
Pin 2, OE
Pin 2, OE
Pin 2, OE logic high or logic low
Contact SiTime
for other input bandwidth options
See the APR (Absolute Pull Range)
Table 11.
Contact SiTime
for custom pull range options
Voltage at which maximum frequency deviation is guaranteed
Voltage at which minimum frequency deviation is guaranteed
Unit
MHz
ppm
ppm
ppm
ppm
°C
°C
°C
°C
Extended Industrial
Extended Commercial
Industrial
Condition
Accurate to 6 decimal places
Inclusive of initial tolerance, operating temperature, rated
power supply voltage, load variations, and first year aging
at 25°C, with VIN voltage at Vdd/2.
±15
ppm is only guaranteed for pull range up to
±100
ppm.
Frequency Range
Frequency Stability
Temperature Range
Voltage Control Characteristics
±25, ±50, ±80, ±100, ±150, ±200,
±400, ±800, ±1600, ±3200
90%
–
–
–
–
–
–
10
10
–
Positive Slope
–
–
100
–
–
–
–
10%
–
–
1.0
Input Characteristics
Output Characteristics
Startup and OE Timing
Rev 1.05
Page 4 of 19
www.sitime.com
SiT3373
220 MHz to 725 MHz Ultra-low Jitter Differential VCXO
Table 3. Electrical Characteristics – LVPECL Specific
Parameter
Current Consumption
OE Disable Supply Current
Output Disable Leakage Current
Maximum Output Current
Output High Voltage
Output Low Voltage
Output Differential Voltage Swing
Rise/Fall Time
RMS Period Jitter
[4]
RMS Phase Jitter (random)
Symbol
Idd
I_OE
I_leak
I_driver
VOH
VOL
V_Swing
Tr, Tf
T_jitt
T_phj
–
0.220
0.270
ps
Min.
–
–
–
–
Vdd-1.15
Vdd-1.9
1.2
–
–
Typ.
–
–
0.15
–
–
–
1.6
225
1.0
Max.
97
63
–
32
Vdd-0.7
Vdd-1.5
2.0
290
1.6
Unit
mA
mA
A
mA
V
V
V
ps
ps
Condition
Excluding Load Termination Current, Vdd = 3.3V or 2.5V
OE = Low
OE = Low
Maximum average current drawn from OUT+ or OUT-
See
Figure 5
See
Figure 5
See
Figure 6
20% to 80%, see
Figure 6
f = 322.265625 MHz, Vdd = 3.3V or 2.5V
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range =
±100
ppm.
Temperature ranges -20 to 70 °C and -40 to 85 °C
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range =
±100
ppm.
Temperature ranges -40 to 95 °C and -40 to 105 °C
f = 156.25 or 322.265625 MHz, IEEE802.3-2005 10 GbE jitter
mask integration bandwidth = 1.875 MHz to 20 MHz,
all Vdd levels
f = 322.265625 MHz, Vdd = 3.3V or 2.5V
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range =
±100
ppm.
Temperature ranges -20 to 70 °C and -40 to 85 °C
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range =
±100
ppm.
Temperature ranges -40 to 95 °C and -40 to 105 °C
f = 322.265625 MHz, IEEE802.3-2005 10 GbE jitter mask
integration bandwidth = 1.875 MHz to 20 MHz, all Vdd levels
[color=#333333][font=宋体][size=16px]Isn't there a comparator B on the F5529 board that can compare analog voltage inputs, and the generated voltage can be sent to timer A for capture. I would like to a...
Linux provides system calls to get and set the nice value of a process. The simplest way is to call nice():
int nice(int inc); When nice() is called successfully, it adds inc to the existing nice valu...
Development platform: VS2005 (c#) Operating system on PDA: Windows CE I want to edit a column in DataGrid, how to do it? I tried it and it works on Windows, but not on PDA. Please help me with the sol...
Currently, there is a project to port the USB driver under Linux to the ThreadX OS. What is needed is the driver of the USB Core and Host controller. I have never done anything under Linux before, and...
The area encircled by the red circle needs to be monitored. The area is very large, and there is no wire or electricity. The signal will eventually be transmitted to the location marked with the red d...
[color=#2b2b2b][font=simsun, arial, helvetica, clean, sans-serif][size=14px]When designing a project, engineers often do not understand the power supply module and choose a power supply product that i...
There are many different ways of human-computer interaction. The more common ones are listed below:
Mouse interaction: Using a mouse to operate a computer and interact was the most common human...[Details]
"Have you set your calendar reminder?"
On August 24, Nvidia Robotics' official account posted a photo of a black gift box on a social media platform, with an attached greeting card sig...[Details]
Capable of providing precise and efficient thermal management for artificial intelligence computing power, intelligent sensing and autonomous driving systems
Shenzhen, ...[Details]
As the scale and business applications of national e-government networks continue to expand, the data and services transmitted over them are becoming increasingly sensitive and critical. To protect...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
Normally, we determine our location and where we want to go by comparing our surroundings with observation and simple GPS tools. However, this kind of reasoning is very difficult for self-driving c...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
According to Nikkei, a survey found that global electric vehicle battery supply is expected to reach more than three times the required quantity due to
cooling
demand for electric vehicles,...[Details]
The MCX E series is the most reliability- and safety-focused series in NXP's extensive MCX product portfolio.
With the launch of this series, NXP has further enriched its 5V-compatible MCU pr...[Details]
Tiantai Robot's official Weibo account announced on the evening of August 20 that Tiantai Robot Co., Ltd., together with strategic partners including Shandong Future Robot Technology Co., Ltd., Sha...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In the period after the switching power supply achieved the "20 kHz" revolution in the 1970s, although improvements and enhancements were made in circuit technology, the development level of the se...[Details]
Microcontroller MCU
京公网安备 11010802033920号
EEWORLD
