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Product Detailed Parameters
- Description：114.318 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：114.318 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 18QHTF21-114.318-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 114.318 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- Integrates enable/disable functionality for power management
- Provides LVCMOS output signal compatibility
- Utilizes surface mount packaging for automated assembly
Applications
- General clock generation in electronic circuits
- Data communication interfaces requiring precise timing
- Embedded systems utilizing low voltage logic
Procurement Notes
Verify the specific operating temperature range and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Cross-reference the datasheet for any specific handling or storage conditions required for this component type.
Selection Notes
Select this component when a 114.318 MHz clock source is required within a 2.0x1.6 mm footprint. Consider the 1.8V supply constraint and LVCMOS interface compatibility. Evaluate the need for active enable/disable control versus always-on operation. Compare against other Mercury series oscillators if different frequencies or package sizes are needed.
Part Context
This part belongs to the Mercury Electronics XO series, designed for high-frequency applications. The 18QHTF21 prefix indicates a specific family of surface mount oscillators. These components are engineered for stability and reliability in consumer and industrial electronics, offering a compact solution for timing needs.
Replacement Considerations
Direct substitutes include other 114.318 MHz LVCMOS oscillators in 4-SMD packages from Mercury Electronics, such as the 18QHTF21-14.318-OE variant, provided the frequency matches the application requirement. Verify pinout and electrical specifications before substitution.
