SIT8918BA-21-18E-50.000000 footprint, schematic symbol and 3D model by SiTime

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SIT8918BA-21-18E-50.000000 Details

Manufacturer Part Number:
SIT8918BA-21-18E-50.000000
Rohs Code:
Yes
Part Life Cycle Code:
Active
Country Of Origin:
Malaysia, Taiwan, Thailand
Manufacturer:
SiTime Corporation
YTEOL:
6
Additional Feature:
ENABLE/DISABLE FUNCTION; ALSO COMPATIBLE WITH LVTTL OUTPUT; BULK
Fall Time-Max:
2.5 ns
Frequency Adjustment-Mechanical:
NO
Frequency Stability:
20%
JESD-609 Code:
e4
Mounting Feature:
SURFACE MOUNT
Number of Terminals:
4
Operating Frequency-Nom:
50 MHz
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Oscillator Type:
LVCMOS
Output Load:
15 pF
Physical Dimension:
3.2mm x 2.5mm x 0.75mm
Rise Time-Max:
2.5 ns
Supply Voltage-Max:
1.98 V
Supply Voltage-Min:
1.62 V
Supply Voltage-Nom:
1.8 V
Surface Mount:
YES
Symmetry-Max:
55/45 %
Terminal Finish:
NICKEL PALLADIUM GOLD

SiTime recommends a symmetrical PCB layout with a solid ground plane, and the oscillator should be placed close to the clock input pin of the device it's driving. A 4-layer PCB with a dedicated ground plane is recommended for high-frequency designs.
The SIT8918BA-21-18E-50.000000 has an internal 50Ω output impedance, so it's recommended to use a 50Ω termination resistor to match the output impedance. This ensures maximum signal integrity and minimizes reflections.
The SIT8918BA-21-18E-50.000000 is rated for operation from -40°C to +85°C. However, it's essential to note that the frequency stability and accuracy may degrade at extreme temperatures.
SiTime oscillators are designed to be rugged and can withstand moderate vibration levels. However, it's recommended to consult SiTime's vibration testing data and perform additional testing to ensure the oscillator meets the specific requirements of your application.
The SIT8918BA-21-18E-50.000000 has built-in ESD protection, but it's still recommended to follow proper ESD handling procedures during assembly and testing. Additionally, consider adding external ESD protection devices if your application requires it.

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