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Product Detailed Parameters
- Description：74.52 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：74.52 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 18QHTF21-74.520-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 74.52 MHz and utilizes an LVCMOS output signal format. The device is designed for operation with a supply voltage of 1.8V and includes enable/disable control functionality. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise clock generation.
Feature Summary
- Provides stable clock signals via LVCMOS output interface
- Supports active enable and disable control states
- Designed for low-voltage 1.8V power supply operation
Applications
- General clock generation circuits
- Frequency reference sources
- Synchronization systems
Procurement Notes
Verify the specific ordering suffix to ensure compatibility with required frequency tolerance and load conditions. Confirm that the 1.8V supply voltage aligns with the target system design. Check the datasheet for detailed electrical specifications regarding frequency stability and phase noise before finalizing component selection.
Selection Notes
Select this component when a 74.52 MHz clock source is required with LVCMOS compatibility. Ensure the application supports the 1.8V operating voltage range. Consider the 4-SMD package dimensions for PCB layout constraints. Verify that the enable/disable feature meets the system's power management requirements.
Part Context
This oscillator belongs to Mercury Electronics' line of quartz-based frequency control products. The manufacturer specializes in crystal oscillators and resonators for industrial and commercial applications. The product series typically offers various frequencies and packages to support diverse electronic design needs.
Replacement Considerations
Consult official distributor databases for direct cross-reference part numbers. Verify pinout compatibility and electrical parameter equivalence before substitution. Ensure any alternative component matches the LVCMOS output type and 1.8V supply requirement.
