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Product Detailed Parameters
- Description：68.75 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：68.75 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 18QHTF21-68.750-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 68.75 MHz. It utilizes LVCMOS output logic and supports a supply voltage of 1.8V. The device features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable control functionality
- Surface-mount 4-SMD no lead package design
Applications
- General purpose clock signal generation
- Digital circuit timing reference
- Embedded system clock sources
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to ensure correct voltage and package specifications. Confirm that the required enable/disable functionality aligns with system design requirements before procurement.
Selection Notes
Select this component when a 68.75 MHz clock source with LVCMOS outputs is required. Ensure the system operates at 1.8V and accommodates the enable/disable pin configuration. Verify mechanical fit within the 4-SMD footprint constraints.
Part Context
This oscillator belongs to the Mercury Electronics series of quartz-based timing devices. The company specializes in frequency control products, leveraging decades of experience in crystal manufacturing to provide reliable oscillators for electronic applications.
Replacement Considerations
Consult official substitution lists from Mercury Electronics for compatible alternatives. Ensure any replacement matches the 68.75 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions.
