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Product Detailed Parameters
- Description：8.042715 MHz XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：8.042715 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 18QHTF21-8.042715-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 8.042715 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes enable/disable functionality for power management
- Utilizes a leadless SMD package for space-constrained designs
Applications
- General clock signal generation in electronic circuits
- Timing reference for microprocessors and controllers
- Synchronization in communication modules
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD no-lead package dimensions fit the PCB footprint requirements. Cross-reference the part number suffix to confirm availability of the enable/disable feature.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside LVCMOS outputs. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Consider the small form factor of the 4-SMD package for dense board layouts. Verify that the 8.042715 MHz frequency meets the system's timing specifications.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series includes various frequencies and packages, catering to diverse timing needs. Mercury Electronics has a long history in manufacturing crystals and oscillators, emphasizing reliability in frequency control solutions.
Replacement Considerations
Direct substitutes within the same series include models like 18QHTF21-8.300-OE or 18QHTF21-4.31818-OE if frequency differences are acceptable. Ensure any replacement maintains the 1.8V supply, LVCMOS output, and enable/disable capability. Verify package compatibility for seamless PCB integration.
