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Product Detailed Parameters
- Description：71.75 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：71.75 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)：26mA
- 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 18QHTF21-71.750-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 71.750 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications. This component provides precise clock signals suitable for digital systems requiring stable timing references.
Feature Summary
- LVCMOS output logic for standard digital interfacing
- Integrated enable and disable control capability
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock generation for digital circuits
- Timing reference for microprocessors and microcontrollers
- Data communication interface synchronization
Procurement Notes
Verify the specific ordering suffix to ensure compatibility with required frequency and voltage specifications. Confirm that the LVCMOS output type matches the receiving circuit's input requirements. Ensure the 4-SMD package footprint aligns with the printed circuit board layout. Check operational temperature range against system environmental conditions before finalizing procurement decisions.
Selection Notes
Select this component when a 71.750 MHz clock signal is required with low voltage operation. Consider the enable feature if power conservation during idle states is necessary. Evaluate the small form factor for space-constrained designs. Verify that the load capacitance and drive strength requirements of the application are met by the oscillator's specifications.
Part Context
This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies and voltage options within a consistent SMD package. Mercury Electronics specializes in quartz-based frequency control products, leveraging decades of manufacturing expertise to provide reliable timing solutions for electronic systems.
Replacement Considerations
Direct substitutes may include other 71.750 MHz LVCMOS oscillators in 4-SMD packages. Ensure replacement parts match the pin configuration and electrical characteristics. Verify that alternative components support the same enable/disable functionality and operate within the required voltage range.
