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Product Detailed Parameters
- Description：59.97 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：59.97 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 18QHTF21-59.970-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 59.97 MHz and utilizes an LVCMOS output signal format. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly.
Feature Summary
- LVCMOS output interface
- Enable/disable control functionality
- Compact 4-SMD no-lead package
Applications
- Digital clock generation
- Data communication interfaces
- Microcontroller system timing
Procurement Notes
Verify the exact frequency tolerance and load capacitance requirements against the specific application circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD footprint matches the PCB layout constraints to guarantee proper soldering and mechanical stability during operation.
Selection Notes
Select this component when a precise 59.97 MHz reference is required for LVCMOS-compatible digital circuits. Consider the enable/disable feature if power efficiency is critical. Evaluate the thermal performance and operating temperature range to ensure reliability under the intended environmental conditions. Compare package dimensions against available board space.
Part Context
This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies within a small form factor. Similar models include variants with different frequencies such as 37.888 MHz or 67.563 MHz, maintaining consistent electrical characteristics and packaging styles across the lineup.
Replacement Considerations
Direct substitutes may include other 18QHTF21 series parts with identical pinouts and electrical specs but different frequencies, provided the system allows frequency adjustment. Cross-brand replacements require matching LVCMOS output, 1.8V supply, and 4-SMD package dimensions.
