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Product Detailed Parameters
- Description：6.14 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：6.14 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)：21mA
- 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 18QHTF21-6.140-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 6.14 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage range typically associated with low-power applications, featuring an enable/disable control function for power management. It is housed in a compact 4-SMD, no-lead package designed for surface-mount assembly. This component provides precise timing signals suitable for digital circuits requiring stable clock references.
Feature Summary
- LVCMOS output logic compatibility
- Integrated enable/disable control functionality
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose digital circuit timing
- Microcontroller clock sources
- Communication interface synchronization
Procurement Notes
Verify the specific operating temperature range and frequency stability specifications against the official datasheet before integration. Confirm that the LVCMOS output voltage levels match the receiving logic inputs. Ensure the PCB footprint aligns precisely with the 4-SMD no-lead package dimensions to guarantee reliable soldering and mechanical stability during operation.
Selection Notes
Select this oscillator when a low-profile surface-mount solution is required for 6.14 MHz applications. Consider the enable/disable feature if power conservation is critical. Verify that the package type fits within the available board space constraints. Ensure the supply voltage requirements align with the system's power rail availability.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products including quartz crystals and oscillators. The company has decades of experience in producing timing components. The 18QHTF21 series represents their standard crystal oscillator lineup, offering various frequencies and packages for diverse electronic applications.
Replacement Considerations
Check for direct substitutes from Mercury Electronics such as other frequencies in the 18QHTF21 series. Verify pinout compatibility and electrical parameters before substituting with components from other manufacturers.
