AEC-Q100 with extended temperature range (-55°C to 125°C)
Frequencies between 1 MHz and 110 MHz accurate to
6 decimal places
Supply voltage of 1.8V or 2.25V to 3.63V
Excellent total frequency stability as low as ±20 ppm
Industry best G-sensitivity of 0.1 PPB/G
Low power consumption of 3.8 mA typical at 1.8V
Standby mode for longer battery life
LVCMOS/LVTTL compatible output
Industry-standard packages: 2.0 x 1.6, 2.5 x 2.0, 3.2 x 2.5,
5.0 x 3.2, 7.0 x 5.0 mm x mm
RoHS and REACH compliant, Pb-free, Halogen-free and
Antimony-free
Automotive, extreme temperature and other high-rel
electronics
Infotainment systems, collision detection devices, and
in-vehicle networking
Powertrain control
Electrical Characteristics
Table 1. Electrical Characteristics
[1,2]
All Min and Max limits are specified over temperature and rated operating voltage with 15 pF output load unless otherwise stated.
Typical values are at 25°C and nominal supply voltage.
Parameters
Output Frequency Range
Frequency Stability
Symbol
f
F_stab
Min.
1
-20
-25
-30
-50
Operating Temperature
Range (ambient)
T_use
-40
-40
-40
-55
Supply Voltage
Current Consumption
OE Disable Current
Standby Current
Vdd
Idd
I_od
I_std
1.62
2.25
–
–
–
–
–
–
–
Duty Cycle
Rise/Fall Time
DC
Tr, Tf
VOH
90%
Output Low Voltage
VOL
–
–
10%
Vdd
45
–
–
Typ.
–
–
–
–
–
–
–
–
–
1.8
–
4.0
3.8
–
–
2.6
1.4
0.6
–
1.5
1.3
–
Max.
110
+20
+25
+30
+50
+85
+105
+125
+125
1.98
3.63
4.8
4.5
4.5
4.3
–
–
–
55
3
2.5
–
Unit
MHz
ppm
ppm
ppm
ppm
°C
°C
°C
°C
V
V
mA
mA
mA
mA
A
A
A
%
ns
ns
Vdd
AEC-Q100 Grade 3
AEC-Q100 Grade 2
AEC-Q100 Grade 1
Extended cold AEC-Q100 Grade1
All voltages between 2.25V and 3.63V including 2.5V, 2.8V, 3.0V
and 3.3V are supported.
No load condition, f = 20 MHz, Vdd = 2.25V to 3.63V
No load condition, f = 20 MHz, Vdd = 1.8V
Vdd = 2.5V to 3.3V, OE = Low, Output in high Z state.
Vdd = 1.8V, OE = Low, Output in high Z state.
Vdd = 2.8V to 3.3V,
ST
= Low, Output is weakly pulled down
Vdd = 2.5V,
ST
= Low, Output is weakly pulled down
Vdd = 1.8V,
ST
= Low, Output is weakly pulled down
All Vdd levels
Vdd = 2.25V - 3.63V, 20% - 80%
Vdd = 1.8V, 20% - 80%
IOH = -4 mA (Vdd = 3.0V or 3.3V)
IOH = -3 mA (Vdd = 2.8V and Vdd = 2.5V)
IOH = -2 mA (Vdd = 1.8V)
IOL = 4 mA (Vdd = 3.0V or 3.3V)
IOL = 3 mA (Vdd = 2.8V and Vdd = 2.5V)
IOL = 2 mA (Vdd = 1.8V)
Condition
Refer to
Table 13 to 15
for a list supported frequencies
Inclusive of Initial tolerance at 25°C, 1st year aging at 25°C,
and variations over operating temperature, rated power
supply voltage and load (15 pF ± 10%).
Frequency Range
Frequency Stability and Aging
Operating Temperature Range
Supply Voltage and Current Consumption
LVCMOS Output Characteristics
Output High Voltage
Rev 1.6
July 18, 2018
www.sitime.com
SiT8924B
Automotive AEC-Q100 Oscillator
Table 1. Electrical Characteristics
Parameters
Input High Voltage
Input Low Voltage
Input Pull-up Impedance
[1,2]
(continued)
Min.
Typ.
–
–
100
–
Max.
–
30%
–
–
Unit
Condition
Input Characteristics
Symbol
VIH
VIL
Z_in
70%
–
–
2
Vdd
Vdd
k
M
Pin 1, OE or
ST
Pin 1, OE or
ST
Pin 1, OE logic high or logic low, or
ST
logic high
Pin 1,
ST
logic low
Startup and Resume Timing
Startup Time
Enable/Disable Time
Resume Time
T_start
T_oe
T_resume
–
–
–
–
–
–
10
130
5
Jitter
RMS Period Jitter
T_jitt
–
–
RMS Phase Jitter (random)
T_phj
–
–
1.6
1.9
0.5
1.3
2.5
3.0
–
–
ps
ps
ps
ps
f = 75 MHz, 2.25V to 3.63V
f = 75 MHz, 1.8V
f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz
f = 75 MHz, Integration bandwidth = 12 kHz to 20 MHz
ms
ns
ms
Measured from the time Vdd reaches its rated minimum value
f = 110 MHz. For other frequencies, T_oe = 100 ns + 3 * cycles
Measured from the time
ST
pin crosses 50% threshold
Notes:
1. All electrical specifications in the above table are specified with 15 pF output load and for all Vdd(s) unless otherwise stated.
2. The typical value of any parameter in the Electrical Characteristic table is specified for the nominal value of the highest voltage option for that parameter and
at 25°C temperature.
Table 2. Pin Description
Pin
Symbol
[3]
Functionality
Output Enable
H : specified frequency output
L: output is high impedance. Only output driver is disabled.
H
[3]
: specified frequency output
L: output is low (weak pull down). Device goes to sleep mode.
Supply current reduces to I_std.
Any voltage between 0 and Vdd or Open
[3]
: Specified frequency
output. Pin 1 has no function.
Electrical ground
[4]
Oscillator output
Power supply voltage
[4]
Top View
OE/ST/NC
1
4
VDD
1
OE/
ST
/NC
Standby
No Connect
GND
2
3
OUT
2
3
4
Notes:
GND
OUT
VDD
Power
Output
Power
Figure 1. Pin Assignments
3. In OE or
ST
mode, a pull-up resistor of 10 kΩ or less is recommended if pin 1 is not externally driven. If pin 1 needs to be left floating, use the NC option.
4. A capacitor of value 0.1 µF or higher between Vdd and GND is required.
Rev 1.6
Page 2 of 18
www.sitime.com
SiT8924B
Automotive AEC-Q100 Oscillator
Table 3. Absolute Maximum Limits
Attempted operation outside the absolute maximum ratings may cause permanent damage to the part.
Actual performance of the IC is only guaranteed within the operational specifications, not at absolute maximum ratings.
Parameter
Storage Temperature
Vdd
Electrostatic Discharge
Soldering Temperature (follow standard Pb free soldering guidelines)
Junction Temperature
[5]
Min.
-65
-0.5
–
–
–
Max.
150
4
2000
260
150
Unit
°C
V
V
°C
°C
Note:
5. Exceeding this temperature for extended period of time may damage the device.
Table 4. Thermal Consideration
[6]
Package
7050
5032
3225
2520
2016
JA, 4 Layer Board
(°C/W)
142
97
109
117
152
JA, 2 Layer Board
(°C/W)
273
199
212
222
252
JC, Bottom
(°C/W)
30
24
27
26
36
Note:
6. Refer to JESD51 for
JA
and
JC
definitions, and reference layout used to determine the
JA
and
JC
values in the above table.
Table 5. Maximum Operating Junction Temperature
[7]
Max Operating Temperature (ambient)
85°C
105°C
125°C
Maximum Operating Junction Temperature
95°C
115°C
135°C
Note:
7. Datasheet specifications are not guaranteed if junction temperature exceeds the maximum operating junction temperature.
Table 6. Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Moisture Sensitivity Level
Condition/Test Method
MIL-STD-883F, Method 2002
MIL-STD-883F, Method 2007
JESD22, Method A104
MIL-STD-883F, Method 2003
MSL1 @ 260°C
Rev 1.6
Page 3 of 18
www.sitime.com
SiT8924B
Automotive AEC-Q100 Oscillator
Test Circuit and Waveform
Vdd
Vout
Test
Point
tr
4
Power
Supply
0.1µF
3
tf
80% Vdd
1
2
15pF
(including probe
and fixture
capacitance)
50%
20% Vdd
High Pulse
(TH)
Period
Low Pulse
(TL)
Vdd
OE/NC Function
1k
Figure 2. Test Circuit
[8]
Note:
8. Duty Cycle is computed as Duty Cycle = TH/Period.
Figure 3. Waveform
[8]
Timing Diagrams
90% Vdd
Vdd
Vdd
50% Vdd
Pin 4 Voltage
T_start
No Glitch
during start up
ST Voltage
T_resume
CLK Output
HZ
CLK Output
HZ
T_start: Time to start from power-off
T_resume: Time to resume from ST
Figure 4. Startup Timing (OE/
ST
Mode)
[9]
Vdd
50% Vdd
T_oe
OE Voltage
Figure 5. Standby Resume Timing (
ST
Mode Only)
Vdd
OE Voltage
50% Vdd
T_oe
CLK Output
HZ
CLK Output
HZ
T_oe: Time to re-enable the clock output
T_oe: Time to put the output in High Z mode
Figure 6. OE Enable Timing (OE Mode Only)
Note:
9. SiT8924 has “no runt” pulses and “no glitch” output during startup or resume.
Q: Information about designing a BMS for LiFePO4 batteries has been posted several times (BQ78350-R1: bqStudio not showing battery voltage, BQ76930: Design help required for BQ76930).
Now it's time to...
What is an operational amplifier?
Many textbooks and reference guides define an operational amplifier (op amp) as a special-purpose integrated circuit (IC) that can perform a variety of functions or o...
My company has a device, the computer is used as the host computer to control PLC, PLC controls temperature control and mechanical mechanism, PLC and computer communicate via serial port, the computer...
I have been working on this for a long time, but I still can't get it right. I hope someone who has done this before can give me some suggestions and advice. There is too little information about ADS1...
On August 24th, Tesla CEO Elon
Musk
revealed information about the upcoming FSD V14, claiming it will outperform human drivers. Tesla FSD lead Ashok stated last year that FSD version 12.5, ...[Details]
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]
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
On August 22, Lantu Motors officially launched its Lanhai Intelligent Hybrid technology via an online livestream. This intelligent hybrid technology, which integrates a full-range 800V high-voltage...[Details]
Since the beginning of this year, price wars have intensified, new models have been launched one after another, used cars with zero kilometers have become a hot topic, and the industry's internal c...[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]
While the current industry consensus is that autonomous vehicles are robots and that their systems are managed using robotics-developed thinking, there are also cases where autonomous driving is ac...[Details]
The complexity of the integrated circuits (ICs) used in electronic systems in vehicles is increasing. They aim to execute artificial intelligence (AI) algorithms to control autonomous driving funct...[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. Ease of Use: The HMI module should be designed to be simple and clear, allowing users to easily operate and configure the energy storage device.
2. Ease of Maintenance: The HMI module should...[Details]
On August 22, according to CNBC's report today, the National Highway Traffic Safety Administration (NHTSA) is launching an investigation into Tesla, and the latter is questioned whether it has fail...[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]
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]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Analogue and Mixed Signal
京公网安备 11010802033920号
EEWORLD
