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Product Detailed Parameters
- Description：58.9824 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：58.9824 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 18QHTF21-58.9824-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 58.9824 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a 1.8V supply voltage. It includes an Enable/Disable control function to manage power consumption during standby periods. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.
Feature Summary
- LVCMOS output interface
- Enable/Disable functionality
- 1.8V supply operation
Applications
- General clock generation
- Digital signal processing systems
- Embedded controller circuits
Procurement Notes
Verify the specific suffix 'OE' against the manufacturer's current documentation to confirm availability status and lead time constraints. Ensure the required operating temperature range aligns with system specifications. Confirm that the 4-SMD No Lead package dimensions fit the designated PCB footprint. Cross-reference the part number with official distributor catalogs to validate authenticity and sourcing channels before finalizing procurement orders.
Selection Notes
Select this component when a precise 58.9824 MHz clock source is required for LVCMOS-compatible digital circuits. Consider the 1.8V supply requirement to ensure compatibility with low-power logic families. Evaluate the Enable/Disable feature if power management during idle states is critical. Verify that the physical package size meets the spatial constraints of the target design.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series typically offers various frequencies and supply voltages. Mercury Electronics has a long history in Taiwan's quartz industry, providing standardized oscillators for consumer and industrial electronics.
Replacement Considerations
Check for direct substitutes within the same series offering identical frequency and package. Verify equivalent electrical characteristics such as LVCMOS output and 1.8V operation. Ensure any replacement maintains the Enable/Disable capability if required by the design.
