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Product Detailed Parameters
- Description：13.488 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：13.488 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)：22mA
- 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 18QHTF21-13.488-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 13.488 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. A key functional characteristic is the inclusion of an enable/disable control pin, allowing for power management through stand-by mode operation. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm, suitable for space-constrained surface-mount designs.
Feature Summary
- LVCMOS output interface for digital system compatibility
- Integrated enable/disable control for power optimization
- Compact 4-SMD no-lead surface mount packaging
Applications
- Low-power embedded systems requiring precise timing
- Consumer electronics with strict size constraints
- Digital communication interfaces utilizing LVCMOS standards
Procurement Notes
Verify the specific suffix OE against the manufacturer's current datasheet to confirm exact electrical tolerances and lead-free status. Ensure the 1.8V supply requirement aligns with the target circuit design. Confirm the enable/disable functionality is supported by the host controller before finalizing procurement specifications.
Selection Notes
Select this component when a small footprint and low voltage operation are primary requirements. The integrated enable feature makes it suitable for battery-powered devices where power conservation is critical. Compare against other Mercury models in the 18QHTF series if different frequencies or voltage levels are needed.
Part Context
This oscillator belongs to the 18QHTF series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in quartz crystals and timing components. The series offers various frequencies within a standardized compact package, providing designers with flexible options for integrating precise clock signals into modern electronic assemblies without increasing board space.
Replacement Considerations
Direct substitutes include other 13.488 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation and enable pins. Verify pinout compatibility and thermal characteristics before swapping. Cross-reference with Mercury part numbers such as those ending in -PD if package variations exist.
