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Product Detailed Parameters
- Description：7.15909 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：7.15909 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)：21mA
- 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 18QHTF21-7.15909-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 7.15909 MHz and utilizes an LVCMOS output interface. The device functions with a supply voltage of 1.8V and includes an Enable/Disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring low-power operation.
Feature Summary
- LVCMOS output interface for digital logic compatibility
- Integrated Enable/Disable pin for power control
- Compact 4-SMD No Lead surface-mount package
Applications
- Low-power digital circuit timing
- Embedded system clock generation
- Portable electronic devices
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD No Lead footprint matches your PCB layout constraints. Check for any specific environmental ratings if operating in extreme conditions.
Selection Notes
Select this component when a precise 7.15909 MHz clock signal is required with low power consumption. The LVCMOS output is suitable for standard digital interfaces. Consider the Enable/Disable feature if dynamic power management is necessary. The small form factor makes it ideal for space-constrained designs.
Part Context
Mercury Electronics Ind. Co. Ltd is a pioneer in the quartz crystal industry in Taiwan, established in 1973. The company specializes in manufacturing frequency control products, including oscillators and resonators. This part belongs to their series of standard XO components designed for various electronic applications.
Replacement Considerations
Direct substitutes may include other 7.15909 MHz LVCMOS oscillators in a 4-SMD No Lead package from different manufacturers. Ensure equivalent electrical characteristics such as supply voltage, output swing, and enable functionality are matched. Verify mechanical dimensions for board compatibility.
