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Product Detailed Parameters
- Description：6.2634 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：6.2634 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 18QHTF21-6.2634-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 6.2634 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage range that includes 1.8V operation and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly.
Feature Summary
- LVCMOS output interface
- Enable/Disable control functionality
- Compact 4-SMD No Lead package
Applications
- General-purpose clock signal generation
- Embedded system timing references
- Consumer electronics circuit boards
Procurement Notes
Verify the specific operating voltage requirements against the official datasheet to ensure compatibility with the target system's power rails. Confirm that the LVCMOS output swing matches the input thresholds of the receiving component. Ensure the PCB footprint aligns precisely with the 4-SMD, No Lead package dimensions specified in the manufacturer's documentation to guarantee proper soldering and mechanical stability.
Selection Notes
Select this component when a low-voltage, surface-mount oscillator with enable capabilities is required. The 6.2634 MHz frequency is specific; verify it meets the exact timing needs of the application. Consider the 4-SMD, No Lead form factor for space-constrained designs. Evaluate the LVCMOS output compatibility with downstream digital logic families before finalizing the design choice.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. The company has a long history in the industry, producing various timing components such as TCXOs and VCTCXOs. This part belongs to their line of standard XO oscillators designed for reliable clock signal generation in electronic circuits.
Replacement Considerations
Check for direct substitutes from Mercury Electronics with identical pinout and electrical characteristics. Verify that any alternative oscillator maintains the same 6.2634 MHz frequency and LVCMOS output type. Ensure the replacement package matches the 4-SMD, No Lead specification to avoid PCB redesign.
