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Product Detailed Parameters
- Description：75.488 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：75.488 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 18QHTF21-75.488-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 75.488 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features an Enable/Disable control pin for power management. It is housed in a compact 4-SMD, No Lead package designed for surface mount technology. The component supports an operating temperature range of -40°C to 85°C, ensuring reliability in various industrial environments.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Enable/Disable control functionality for power management
- Surface mount 4-SMD no lead package design
Applications
- General purpose clock signal generation
- Digital system timing references
- Embedded controller clock sources
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure the correct enable/disable configuration and frequency tolerance are selected. Confirm that the 1.8V supply voltage aligns with the target circuit design requirements before procurement. Cross-reference the package dimensions with the PCB footprint library to guarantee mechanical compatibility during assembly.
Selection Notes
Select this component when a low-voltage 1.8V LVCMOS clock source is required with active power-down capabilities. Ensure the application environment falls within the specified -40°C to 85°C operating temperature range. Verify that the 4-SMD no lead package size fits the available board space constraints and that the manufacturing process supports fine-pitch surface mount assembly techniques.
Part Context
This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options, all sharing a common small form factor suitable for dense PCB layouts. The 'OE' suffix typically denotes the presence of an enable/disable control feature, distinguishing it from continuously running variants within the same product family.
FAQ
What is the output logic type of the 18QHTF21-75.488-OE?
The output logic type is LVCMOS.
Does this oscillator support power management controls?
Yes, it includes an Enable/Disable function to control operation.
