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Product Detailed Parameters
- Description：57.503667 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：57.503667 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)：24mA
- 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 18QHTF21-57.503667-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 57.503667 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly. This component provides precise timing signals for digital circuits requiring stable clock sources.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable control functionality
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose digital circuit timing
- Embedded systems clock generation
- Consumer electronics signal processing
Procurement Notes
Verify the exact frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD footprint matches the PCB layout requirements. Check for RoHS compliance status if environmental regulations apply to the end product.
Selection Notes
Select this model when a specific 57.503667 MHz frequency is required for LVCMOS interfaces. Consider the 1.8V supply constraint and the need for an enable pin during design. Evaluate the thermal performance within the specified operating temperature range. Compare size constraints against alternative packages if space is limited.
Part Context
This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with LVCMOS outputs and enable functions. Mercury Electronics specializes in quartz crystals and timing components, providing solutions for frequency control applications across multiple industries.
Replacement Considerations
Direct substitutes include other 18QHTF21 variants with identical electrical specifications but different frequencies or packaging options. Verify pinout compatibility and voltage levels when cross-referencing with similar oscillator families from other manufacturers.
