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Product Detailed Parameters
- Description：120.96 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：120.96 MHz
- Function：Enable/Disable
- Output：LVCMOS
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：28mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.031" (0.80mm)
- Supplier Device Package：-
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Overview
The 18QHTF21-120.960-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 120.96 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package designed for surface-mount applications.
Feature Summary
- Integrates LVCMOS output logic for digital interface compatibility
- Features integrated enable and disable control functionality
- Utilizes a leadless SMD package for automated assembly
Applications
- General clock signal generation
- Digital system timing references
- Embedded controller synchronization
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's operational specifications to ensure consistent performance. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official mechanical drawing.
Selection Notes
Select this component when a precise 120.96 MHz reference is required with low-voltage operation. Consider the enable/disable feature if power management during idle states is necessary. Evaluate the LVCMOS output swing against the input thresholds of the receiving logic gates to guarantee reliable signal transmission without additional buffering.
Part Context
This part belongs to the Mercury Electronics XO (Standard) series, which provides fundamental frequency control solutions. The manufacturer has extensive experience in quartz crystal production, offering various oscillator types including differential and spread spectrum options within their broader portfolio.
Replacement Considerations
Direct substitutes include other variants within the 18QHTF21 series from Mercury Electronics, such as the 18QHTF21-65.300-OE or 18QHTF21-37.888-OE, provided the frequency difference is acceptable for the application.
