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Product Detailed Parameters
- Description：57.7483 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：57.7483 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)：24mA
- 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 18QHTF21-57.7483-OE is a standard quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 57.7483 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an Enable/Disable control function. It is housed in a compact 4-SMD surface-mount package, designed for integration into high-performance electronic circuits requiring precise timing signals.
Feature Summary
- Integrates LVCMOS output logic for digital circuit compatibility
- Includes hardware enable/disable control functionality
- Utilizes standard quartz crystal technology for frequency stability
Applications
- High-performance digital systems requiring precise clock signals
- Embedded electronics utilizing LVCMOS interfaces
- Compact devices necessitating small form-factor oscillators
Procurement Notes
Verify the specific operating voltage and package dimensions against the official datasheet before procurement. Confirm that the Enable/Disable pin configuration aligns with system design requirements. Ensure the 1.8V supply capability matches the target circuit's power rails to prevent operational failure or damage.
Selection Notes
Select this component when a low-voltage LVCMOS oscillator with active control is required. The 4-SMD package suits space-constrained designs. Verify frequency accuracy and temperature range specifications against application needs. Ensure the manufacturer's quality standards meet project reliability requirements.
Part Context
This part belongs to the QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and voltages. The 18 prefix typically indicates the 1.8V supply variant. This model provides a specific frequency solution within the company's standard oscillator lineup for general-purpose timing applications.
Replacement Considerations
Cross-reference compatible parts based on identical frequency, voltage, package size, and output logic. Verify pinout compatibility if substituting with different manufacturers. Ensure thermal and electrical characteristics match the original design constraints.
