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Product Detailed Parameters
- Description：100.02 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：100.02 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)：28mA
- 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 18QHTF21-100.020-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 100.02 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features an Enable/Disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- Standard crystal oscillator configuration providing stable timing signals
- LVCMOS output interface compatible with digital logic circuits
- Integrated enable/disable functionality for power management
Applications
- Digital signal processing systems requiring precise clock sources
- Communication equipment utilizing high-frequency timing references
- Embedded systems with low-voltage logic requirements
Procurement Notes
Verify the specific suffix OE against official Mercury Electronics documentation to confirm the enable/disable feature and exact electrical characteristics. Ensure the 1.8V supply voltage aligns with system design constraints. Confirm the 4-SMD no-lead package dimensions match PCB footprint specifications before integration.
Selection Notes
Select this model when a 100.02 MHz frequency is required alongside LVCMOS compatibility. Consider the 1.8V operating voltage for low-power designs. The enable/disable pin allows for dynamic power control, making it suitable for battery-operated or energy-efficient applications compared to always-on oscillators.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a small form factor. The series typically includes XO variants with different output types and control options. The 18QHTF21 designation indicates a specific package style and performance class within the manufacturer's quartz timing portfolio.
Replacement Considerations
Direct substitutes include other 100.02 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical parameters such as load capacitance and drive strength. Alternative parts must support the same enable/disable control scheme if power management is critical.
