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Product Detailed Parameters
- Description：65.813 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：65.813 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 18QHTF21-65.813-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 65.813 MHz and utilizes LVCMOS output logic. The device is designed for low voltage applications, featuring a supply voltage of 1.8V. A key functional attribute is the inclusion of an Enable/Disable control pin, allowing for power management flexibility in embedded systems. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Features an active enable/disable control function for power optimization
- Designed for low-voltage operation at 1.8V supply levels
Applications
- Embedded system clock generation
- Digital signal processing timing references
- Communication module synchronization
Procurement Notes
Verify that the specific part number matches the required frequency and voltage specifications before procurement. Ensure the ordering suffix corresponds to the desired packaging and tolerance requirements as defined by the manufacturer. Confirm availability through authorized distributors to guarantee authenticity and traceability of the quartz components.
Selection Notes
Select this component when a precise 65.813 MHz reference is required with low power consumption capabilities. The 1.8V operating range makes it suitable for modern portable electronics and battery-powered devices. Consider the enable/disable feature if dynamic power management is a critical design requirement for the target application environment.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series typically offers standard XO configurations with various frequency options. Mercury Electronics has a long history in Taiwan's quartz industry, providing reliable timing solutions for industrial and consumer electronics markets globally.
Replacement Considerations
Direct substitutes may include other 4-SMD LVCMOS oscillators with identical 65.813 MHz frequency and 1.8V supply voltage. Verify pinout compatibility and enable/disable functionality when cross-referencing with alternative manufacturers' offerings to ensure seamless integration into existing PCB layouts.
