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Product Detailed Parameters
- Description：63.5 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：63.5 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 18QHTF21-63.500-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 63.5 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component supports an operating temperature range suitable for standard industrial applications.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes hardware enable and disable control functionality
- Utilizes a surface-mount 4-pin no-lead package design
Applications
- General clock signal generation in electronic circuits
- Timing reference sources for embedded systems
- Digital communication interface synchronization
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to ensure correct voltage and frequency specifications. Confirm that the LVCMOS output type matches system requirements. Check for any environmental compliance certifications required for the target application region before finalizing procurement orders.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside precise timing stability. Ensure the 2.0x1.6mm footprint fits within the available PCB area constraints. Consider the enable/disable pin requirement if power management during idle states is necessary for the overall system design efficiency.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, designed for space-constrained applications. The series offers various frequencies and voltage options. This specific model provides a 63.5 MHz output, fitting into the standard XO category for reliable clock generation in consumer and industrial electronics.
Replacement Considerations
Direct substitutes must match the 63.5 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify pinout compatibility and thermal characteristics before swapping manufacturers.
