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Product Detailed Parameters
- Description：104.0 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：104 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 18QHTF21-104.000-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 104 MHz with a supply voltage of 1.8V. The device features LVCMOS output logic and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is designed for timing applications requiring precise clock signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Enable/disable control for power efficiency
- Compact 4-SMD no-lead surface mount package
Applications
- Digital signal processing systems
- Communication equipment clocking
- Microcontroller timing references
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm the enable/disable pin configuration matches your control logic. Check the operating temperature range to ensure suitability for your environmental conditions. Validate the package footprint against your PCB layout guidelines.
Selection Notes
Select this oscillator when a 104 MHz clock signal is required with low voltage operation. Consider the LVCMOS output level for direct interfacing with digital components. Evaluate the enable/disable feature if power conservation is critical. Compare the physical dimensions against available board space. Assess the manufacturer's reliability data for long-term performance needs.
Part Context
Mercury Electronics Ind. Co., Ltd. specializes in frequency control products including quartz crystals and oscillators. The 18QHTF21 series represents their standard crystal oscillator line. These components are known for stability and compact form factors. The company has a history of manufacturing timing solutions since 1973. This part fits within their portfolio of surface-mount oscillators.
Replacement Considerations
Direct substitutes may include other 104 MHz LVCMOS oscillators from different manufacturers with compatible pinouts and electrical characteristics. Verify that alternative parts meet the same voltage and current requirements. Ensure the replacement offers similar frequency stability and phase noise performance. Check for any differences in enable/disable logic polarity.
