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Product Detailed Parameters
- Description：74.113 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：74.113 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)：26mA
- 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 18QHTF21-74.113-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 74.113 MHz. It utilizes LVCMOS output logic and functions with a 1.8V supply voltage. The component features an enable/disable control capability for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications. This oscillator is RoHS compliant, ensuring adherence to environmental standards for electronic components.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Enable/Disable functionality for power optimization
- RoHS compliant construction for environmental safety
Applications
- Digital signal processing systems
- Communication equipment clocking
- Embedded system timing references
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific handling instructions regarding electrostatic discharge protection during assembly.
Selection Notes
Select this component when a precise 74.113 MHz reference is required with low-voltage operation. Consider the enable/disable feature if power conservation is critical. Verify that LVCMOS outputs are compatible with the receiving logic levels of your target devices. Evaluate the thermal performance within the specified operating temperature range for your application environment.
Part Context
Mercury Electronics Ind. Co. Ltd has over 50 years of experience in quartz crystal manufacturing, being a pioneer in Taiwan since 1973. The QHTF series represents their surface-mount oscillator offerings. This part belongs to a family of standard oscillators available in various frequencies, sharing similar packaging and electrical characteristics but differing in output frequency specifications.
Replacement Considerations
Direct substitutes must match the 74.113 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical parameters such as phase noise and jitter if critical. Cross-reference with other manufacturers' 4-pin SMD oscillators offering identical frequency and voltage specifications.
