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Product Detailed Parameters
- Description：67.5 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：67.5 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 18QHTF21-67.500-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 67.500 MHz with an LVCMOS output logic type. The device requires a 1.8V supply voltage and features an enable/disable function for power management. It utilizes a compact 4-SMD, No Lead package design, facilitating surface-mount installation in electronic circuits.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Integrates enable/disable functionality for power control
- Utilizes lead-free SMD packaging for automated assembly
Applications
- Clock signal generation for digital systems
- Embedded electronics requiring precise timing
- Compact circuit board designs
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your system design before ordering. Confirm that the 1.8V supply voltage aligns with your power architecture. Ensure the 4-SMD no-lead footprint matches your PCB layout constraints to guarantee proper soldering and mechanical stability during operation.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Consider the small form factor if space constraints are critical within the target electronic assembly.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series includes various frequencies such as 86.8875 MHz and 117.675 MHz, all sharing similar compact packaging and operational characteristics designed for modern electronic manufacturing standards.
Replacement Considerations
Direct substitutes include other 18QHTF21 variants like the 18QHTF21-67.563-OE or 18QHTF21-117.675-OE if frequency adjustments are permissible. Verify pinout and electrical specifications match exactly before swapping components to ensure circuit integrity.
