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Product Detailed Parameters
- Description：13.5455 MHz XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：13.5455 MHz
- Function：Standby (Power Down)
- 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)：22mA
- 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 18QHTF21-13.5455-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.5455 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby function for power down control. 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 interface
- Integrated standby power-down capability
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock signal generation
- Digital circuit timing reference
- Embedded system synchronization
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Ensure the 1.8V supply voltage aligns with the system power rails. Confirm that the 4-SMD no-lead package dimensions fit within the available PCB footprint constraints. Cross-reference the part number suffix to ensure the correct packaging variant is ordered.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS interface. The integrated standby feature makes it suitable for battery-powered or power-sensitive designs. Consider the physical size of the 4-SMD package relative to other available oscillator footprints. Ensure the operating temperature range meets the environmental conditions of the final application.
Part Context
This model belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The product line focuses on quartz-based oscillators offering stability and reliability. Mercury Electronics has a long history in manufacturing frequency control products, including crystals and oscillators, establishing itself as a pioneer in the industry.
FAQ
What is the output logic type?
The output logic type is LVCMOS.
Does the device support power management features?
Yes, the device supports a standby mode for power down functionality.
