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Product Detailed Parameters
- Description：13.573255 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：13.573255 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)：22mA
- 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 18QHTF21-13.573255-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.573255 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features 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. The component is designed for operation within a specified temperature range suitable for electronic applications requiring precise clock signals.
Feature Summary
- Integrates enable/disable functionality to support active power management strategies
- Delivers stable LVCMOS output signals for digital circuit synchronization
- Utilizes a low-profile surface-mount package for space-constrained designs
Applications
- Clock signal generation for embedded systems
- Timing reference for communication interfaces
- Synchronization source for digital processing units
Procurement Notes
Verify the exact frequency tolerance and load capacitance requirements against the specific application needs before ordering. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet. Check for any specific handling instructions regarding electrostatic discharge protection during assembly.
Selection Notes
Choose this component when a precise 13.573255 MHz clock is required with low power consumption capabilities. The integrated enable pin allows for dynamic power control, making it suitable for battery-operated devices. Consider the small form factor if board space is limited. Verify compatibility with the host controller's input voltage levels and timing specifications to ensure reliable operation.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series offers various frequencies and packages tailored for different electronic needs. Mercury Electronics has a long history in manufacturing quartz crystals and oscillators, providing reliable solutions for industrial and consumer electronics markets.
Replacement Considerations
Direct substitutes must match the 13.573255 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify electrical parameters such as phase noise and jitter against the original specification. Ensure the replacement part supports the same enable/disable functionality and operating temperature range.
