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Product Detailed Parameters
- Description：86.64 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：86.64 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 18QHTF21-86.640-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 86.640 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component serves as a precise clock source for digital circuits requiring low-profile surface-mount integration.
Feature Summary
- Integrates LVCMOS output logic for direct interface with digital loads
- Includes enable/disable functionality for power management control
- Utilizes a compact 4-SMD no-lead surface mount package design
Applications
- Clock signal generation for high-speed digital systems
- Embedded controller timing sources
- Communication module reference clocks
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions to prevent assembly errors during manufacturing.
Selection Notes
Select this component when a low-profile 2.0x1.6mm oscillator is required for 86.640 MHz applications. Consider the LVCMOS output compatibility with downstream logic levels. Evaluate the enable/disable pin utility if dynamic power saving is necessary. Compare physical size constraints against alternative packages like 3225 or 5032 series.
Part Context
This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies within the same small form factor. The 'OE' suffix typically denotes specific ordering or packaging variations defined by the manufacturer. It complements other Mercury products like the 18QHTF21-8.640-OE and 18QHTF21-21.200-OE which share similar physical characteristics.
Replacement Considerations
Direct substitutes must match the 86.640 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility for the enable/disable function. Cross-reference with Mercury's H21 or SWO series if pin configurations differ significantly.
