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Product Detailed Parameters
- Description：63.7563 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：63.7563 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 18QHTF21-63.7563-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 63.7563 MHz with an LVCMOS output logic level. The device is powered by a 1.8V supply voltage and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, no lead package suitable for surface-mount applications. The component provides a frequency stability of ±50ppm, ensuring reliable timing performance across its operating range.
Feature Summary
- Standard XO configuration with LVCMOS output interface
- Integrated enable/disable control for power optimization
- Compact 4-SMD no-lead surface mount package design
Applications
- General purpose digital timing circuits
- Embedded systems requiring precise clock signals
- Consumer electronics with low voltage requirements
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD package footprint matches the PCB layout constraints. Check for any RoHS compliance documentation if required by project specifications.
Selection Notes
Select this component when a 63.7563 MHz clock source is required with LVCMOS compatibility. Consider the ±50ppm stability requirement for application accuracy. Evaluate the 1.8V supply constraint against available power resources. The enable/disable feature offers flexibility for power-sensitive designs compared to always-on oscillators.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products since 1973. The company produces quartz crystals, oscillators, and filters. This part belongs to their standard XO lineup, designed for general timing applications in electronic devices.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided data. Consult the manufacturer for direct replacements or equivalents with matching electrical characteristics.
