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Product Detailed Parameters
- Description：69.12 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：69.12 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 18QHTF21-69.120-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 69.12 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 2.0mm x 1.6mm. The component supports an operating temperature range typical for commercial applications.
Feature Summary
- Integrates LVCMOS output logic for direct digital interface compatibility
- Includes hardware enable and disable control functionality
- Utilizes a low-profile surface-mount package design
Applications
- General clock signal generation in embedded systems
- Timing reference for microcontrollers and processors
- Data communication interface synchronization
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 issues during manufacturing.
Selection Notes
Select this component when a precise 69.12 MHz timing source is required for low-voltage digital circuits. Consider the enable pin feature if power management or clock gating is necessary within the design. Evaluate the small form factor suitability for space-constrained portable or high-density electronic devices.
Part Context
This part belongs to the Mercury Electronics 18QHTF21 series of miniature crystal oscillators. The series offers various frequency options within a standardized 4-pin SMD package. It serves as a drop-in replacement for other industry-standard oscillators requiring similar electrical characteristics and physical dimensions.
Replacement Considerations
Direct substitutes must match the 69.12 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package size. Verify equivalent performance specifications including phase noise and stability before substitution.
