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Product Detailed Parameters
- Description：67.0 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 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 18QHTF21-67.000-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 67.0 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. 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 functionality
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock signal generation
- Digital system timing references
- Embedded electronics circuits
Procurement Notes
Verify the exact frequency specification against the datasheet to ensure it matches the required 67.0 MHz target. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the LVCMOS output level is compatible with the receiving logic inputs. Check the enable/disable pin configuration requirements for the specific application design.
Selection Notes
Select this component when a low-profile surface-mount oscillator is required for 67.0 MHz applications. Consider the 1.8V operating voltage constraint and the need for an enable/disable feature. Evaluate the 4-SMD package dimensions against the available PCB space. Compare performance against other Mercury Electronics models in the H series if different form factors are needed.
Part Context
This part belongs to the Mercury Electronics SMD oscillator family, specifically utilizing the 18QHTF21 series designation. Similar parts in the database include variants with different frequencies such as 67.8 MHz and 67.563 MHz, all sharing the same package and electrical characteristics. The manufacturer has extensive experience in quartz crystal production since 1973.
Replacement Considerations
Direct substitutes within the same series include 18QHTF21-67.800-OE and 18QHTF21-67.563-OE, which share identical packaging and electrical interfaces but differ in operating frequency. Verify that the system can tolerate the frequency difference before substituting.
