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Product Detailed Parameters
- Description：75.757575 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：75.757575 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 18QHTF21-75.757575-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 75.757575 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output interface
- Enable/disable functionality
- Standard XO design
Applications
- Computing systems
- Data communication equipment
- Industrial control units
Procurement Notes
Verify the complete part number including the suffix to ensure correct frequency and package specifications. Confirm that the 1.8V supply requirement aligns with the target circuit design. Check datasheet details for load capacitance and drive level requirements to guarantee stable oscillation in the final application environment.
Selection Notes
Select this component when a 75.757575 MHz clock signal is required with low-voltage operation. Ensure the system supports LVCMOS logic levels and has sufficient current capacity for the 1.8V supply. Consider the small form factor for space-constrained PCB layouts.
Part Context
This model belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series is characterized by its small footprint and compatibility with modern low-voltage digital circuits. Mercury Electronics is a recognized manufacturer of frequency control products based in Taiwan.
Replacement Considerations
Direct substitutes must match the 75.757575 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and electrical characteristics before swapping components.
