ASFLMB-27.000MHZ-LC-T footprint, schematic symbol and 3D model by ABRACON

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ASFLMB-27.000MHZ-LC-T Details

Manufacturer Part Number:
ASFLMB-27.000MHZ-LC-T
Rohs Code:
Yes
Part Life Cycle Code:
Active
Package Description:
ROHS COMPLIANT, ULTRA MINIATURE, PLASTIC, QFN-4
Country Of Origin:
Thailand
Factory Lead Time:
8 Weeks
Manufacturer:
Abracon Corporation
YTEOL:
6.5
Additional Feature:
TRI-STATE; STANDBY; ENABLE/DISABLE FUNCTION; TR; SUPPLY VOLTAGE 1.8V AND 2.5V ALSO AVAILLABLE
Fall Time-Max:
2 ns
Frequency Adjustment-Mechanical:
NO
Frequency Stability:
50%
JESD-609 Code:
e4
Mounting Feature:
SURFACE MOUNT
Number of Terminals:
4
Operating Frequency-Nom:
27 MHz
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Oscillator Type:
CMOS
Output Load:
10 KOHM, 15 pF
Package Body Material:
PLASTIC/EPOXY
Physical Dimension:
5.0mm x 3.2mm x 0.85mm
Rise Time-Max:
2 ns
Supply Voltage-Nom:
3.3 V
Surface Mount:
YES
Symmetry-Max:
55/45 %
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)

Abracon recommends a symmetrical layout with the crystal oscillator placed near the center of the PCB, and the traces should be as short as possible to minimize noise and radiation.
To ensure reliable startup, Abracon recommends a power-up ramp time of 1-2 ms, and a power supply voltage that is stable and within the recommended operating range.
The maximum allowable frequency deviation for the ASFLMB-27.000MHZ-LC-T is ±50 ppm over the operating temperature range of -40°C to +85°C.
While the ASFLMB-27.000MHZ-LC-T is designed to be rugged, it's still important to follow proper mounting and handling procedures to ensure reliability in harsh environments. Consult Abracon's application notes for guidance.
Check the power supply voltage, ensure the oscillator is properly connected, and verify that the load capacitance is within the recommended range. If issues persist, consult Abracon's application notes or contact their technical support.

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