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Product Detailed Parameters
- Description：7.37 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：7.37 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)：21mA
- 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 18QHTF21-7.370-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 7.37 MHz and utilizes LVCMOS output logic. The device supports a supply voltage range that includes 1.8V operation and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable control pin for power optimization
- Surface-mount 4-SMD no-lead package design
Applications
- General clock signal generation in embedded systems
- Timing reference for microcontrollers and processors
- Digital communication interface synchronization
Procurement Notes
Verify the specific operating voltage and load capacitance requirements against your circuit design before procurement. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official datasheet. Confirm that the LVCMOS output voltage levels are compatible with the receiving logic inputs to prevent signal integrity issues or damage.
Selection Notes
Select this component when a low-power, small-footprint oscillator with enable functionality is required. Consider the 7.37 MHz frequency suitability for your specific baud rate or clock division needs. Evaluate the thermal performance and stability requirements against the standard XO specifications to ensure reliable operation across the intended temperature range.
Part Context
Mercury Electronics Ind. Co., Ltd. specializes in frequency control products, including quartz crystals and oscillators. The 18QHTF21 series represents their line of surface-mount crystal oscillators. This manufacturer has a history of producing timing components for various electronic applications, focusing on reliability and precision in frequency control solutions.
Replacement Considerations
Check for direct substitutes within the 18QHTF21 series offering different frequencies but identical packages and electrical characteristics. Verify compatibility with other manufacturers' 4-SMD LVCMOS oscillators ensuring matching frequency, voltage, and pinout configurations.
