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Product Detailed Parameters
- Description：10.267 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：10.267 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)：22mA
- 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 18QHTF21-10.267-OE is a standard quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 10.267 MHz and utilizes LVCMOS output logic levels. The device is designed for operation with a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, no lead package suitable for surface-mount assembly.
Feature Summary
- LVCMOS compatible output signal
- Integrated enable and disable control functionality
- Standard quartz crystal resonator base
Applications
- General purpose clock generation
- Digital signal processing systems
- Embedded microcontroller interfaces
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no lead package footprint matches the PCB layout specifications to guarantee proper solder joint integrity and mechanical stability during operation.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside precise frequency stability. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the enable/disable feature if power management or clock gating is necessary within the application architecture. Verify thermal performance limits for the intended operating environment.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small form factor surface-mount solutions. The series typically offers high stability and low phase noise characteristics suitable for modern electronic devices requiring reliable timing references in space-constrained designs.
Replacement Considerations
Direct substitutes include other 10.267 MHz LVCMOS oscillators in 4-SMD packages with 1.8V supply requirements. Verify pinout compatibility and electrical parameters such as current consumption and output swing before substitution.
