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Product Detailed Parameters
- Description：72.0 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：72 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 18QHTF21-72.000-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 72 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface mount assembly.
Feature Summary
- LVCMOS output interface for digital signal compatibility
- Integrated enable/disable control functionality
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose timing circuits
- Embedded systems clock generation
- Consumer electronics timing references
Procurement Notes
Verify the specific suffix 'OE' against official Mercury Electronics documentation to confirm the enable/disable feature and package type. Ensure the 1.8V supply requirement aligns with system design constraints. Cross-reference the 72 MHz frequency specification with application requirements. Confirm the 4-SMD no-lead footprint matches PCB layout specifications before procurement.
Selection Notes
Select this component when a 72 MHz clock source with LVCMOS outputs is required. The 1.8V operating voltage makes it suitable for low-power digital designs. The enable/disable feature allows for dynamic power management. Consider the small 2.0x1.6 mm package size for space-constrained layouts. Verify temperature range and stability requirements against datasheet specifications.
Part Context
This part belongs to the Mercury Electronics 18QHTF21 series of surface mount crystal oscillators. The series offers various frequencies and voltage options. The 'OE' suffix typically denotes specific operational characteristics such as enable pins. Mercury Electronics specializes in quartz crystals and oscillators, providing timing solutions for various industries.
Replacement Considerations
Check for direct substitutes within the 18QHTF21 series from Mercury Electronics. Compare pinout compatibility and electrical parameters. Verify that alternative parts support the same 1.8V supply and LVCMOS output levels. Ensure physical footprint compatibility for direct replacement without PCB modifications.
