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Product Detailed Parameters
- Description：85.25 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：85.25 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 18QHTF21-85.250-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 85.25 MHz and utilizes an LVCMOS output signal type. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, no lead package, suitable for surface-mount applications requiring precise timing signals.
Feature Summary
- Supports enable/disable functionality for power optimization
- Provides LVCMOS output compatibility
- Utilizes a compact surface-mount package design
Applications
- Computing systems
- Data communication equipment
- Industrial control systems
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the system design specifications before procurement. Ensure that the 1.8V supply voltage aligns with the target circuit's power rails. Confirm that the enable pin logic levels are compatible with the controlling microcontroller or FPGA to ensure proper operation of the oscillator's power management features.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside an enable/disable control feature. The LVCMOS output interface makes it suitable for digital logic circuits. Consider the 4-SMD no lead package for space-constrained PCB layouts. Verify that the 85.25 MHz frequency meets the specific clocking needs of the application without requiring additional frequency multiplication or division stages.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co. Ltd, a manufacturer specializing in quartz crystals and oscillators. The series offers various frequencies within a standardized small outline package format. Mercury Electronic has decades of experience in frequency control products, providing reliable solutions for computing and industrial applications.
Replacement Considerations
Check for direct substitutes within the same series offering identical electrical parameters and package dimensions. Ensure any replacement maintains the 1.8V supply requirement and LVCMOS output characteristics. Verify that the alternative component supports the necessary enable/disable functionality if power management is critical to the design.
