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Product Detailed Parameters
- Description：69.8693 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：69.8693 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 18QHTF21-69.8693-OE is a fixed-frequency crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 69.8693 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, functioning with 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 2.0x1.6mm, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- LVCMOS output logic interface
- Enable/Disable control functionality
- Compact 2.0x1.6mm SMD package
Applications
- Digital signal processing systems
- Communication equipment timing
- Consumer electronics clock sources
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct pinout and electrical characteristics. Confirm that the required operating temperature range aligns with the application environment. Cross-reference the package outline drawing with PCB footprint specifications to guarantee mechanical compatibility during assembly.
Selection Notes
Select this component when a precise 69.8693 MHz clock source is required within space-constrained designs. The 1.8V supply requirement makes it suitable for modern low-power digital circuits. Ensure the system design accommodates the enable/disable control signal if power management is a priority for the application.
Part Context
This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage levels in a consistent small form factor. This specific model provides a high-frequency option optimized for data transmission and processing applications requiring stable timing references.
Replacement Considerations
Direct replacements must match the 69.8693 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package dimensions. Verify functional equivalence through official cross-reference data.
