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Product Detailed Parameters
- Description：87.351542 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：87.351542 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)：26mA
- 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 18QHTF21-87.351542-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 87.351542 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- LVCMOS output interface for digital compatibility
- Integrated enable/disable functionality for power control
- Low-voltage operation at 1.8V supply
- Surface-mount 4-SMD no-lead package design
Applications
- Digital signal processing systems
- Communication equipment clocking
- Embedded microcontroller timing references
- Consumer electronics timing circuits
Procurement Notes
Verify the specific suffix 'OE' against official Mercury Electronics documentation to confirm the exact enable/disable configuration and packaging variant. Ensure that the 1.8V supply requirement aligns with the target system's voltage rails before integration. Cross-reference the part number with the manufacturer's latest datasheet to validate current production status and availability constraints.
Selection Notes
Select this component when a precise 87.351542 MHz reference is required in space-constrained designs. The 1.8V LVCMOS output makes it suitable for modern low-power digital logic families. Consider the enable feature if dynamic power saving is necessary. Verify thermal performance and load capacitance requirements against the host circuit design specifications.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequency options within the same physical footprint. The series provides standardized LVCMOS outputs for ease of integration into digital systems. Mercury Electronics leverages its long-standing expertise in quartz crystal manufacturing to produce these timing components.
Replacement Considerations
Direct substitutes include other 18QHTF21 variants with identical pinouts but different frequencies, such as 18QHTF21-50.256-OE or 18QHTF21-65.300-OE, provided the frequency difference is acceptable. Ensure any replacement maintains the 1.8V operating voltage and LVCMOS output characteristics.
