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Product Detailed Parameters
- Description：83.336 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：83.336 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 18QHTF21-83.336-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 83.336 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for applications requiring precise timing signals within low-power electronic systems.
Feature Summary
- LVCMOS output interface for digital compatibility
- Integrated enable/disable pin for power control
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock generation in embedded systems
- Timing reference for microprocessors and FPGAs
- Communication equipment signal synchronization
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the oscillator's operational specifications. Confirm that the PCB footprint matches the 2.0x1.6mm SMD package dimensions to avoid assembly issues. Check for any specific handling instructions regarding electrostatic discharge protection during installation.
Selection Notes
Select this model when a low-voltage 1.8V operation is required alongside a standard LVCMOS output. The integrated enable feature makes it suitable for battery-powered or power-sensitive designs. Consider the small form factor if space constraints are critical. Compare alternative frequencies from the same series if the exact 83.336 MHz is not strictly necessary.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequencies with consistent electrical characteristics and packaging. These oscillators are designed to replace through-hole components with more reliable surface-mount alternatives. The manufacturer has a history of producing quartz-based frequency control products.
Replacement Considerations
Direct substitutes must match the 83.336 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify that replacement parts support the enable/disable functionality if used in the original design. Cross-reference with other manufacturers offering similar low-profile XO components.
