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Product Detailed Parameters
- Description：6.4 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：6.4 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：-
Download product information
Overview
The 18QHTF21-6.400-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 6.4 MHz and utilizes an LVCMOS output interface. The device is powered by a 1.8V supply voltage and features enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications. The component supports a frequency stability of ±50ppm and functions within an operating temperature range of -40°C to +85°C.
Feature Summary
- LVCMOS output interface for digital logic compatibility
- Enable/Disable control pin for power optimization
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock signal generation
- Embedded system timing references
- Consumer electronics circuit boards
Procurement Notes
Verify the specific suffix against official Mercury Electronic documentation to confirm exact electrical characteristics and package dimensions. Ensure that the ordering code matches the required frequency tolerance and temperature range specifications for your design. Cross-reference with authorized distributors to confirm current availability and authenticity of the component before finalizing procurement orders.
Selection Notes
Select this component when a low-profile surface mount oscillator is required for 1.8V logic systems. The LVCMOS output ensures direct interfacing with microcontrollers without additional level shifting. Consider the ±50ppm stability requirement and the wide industrial temperature range when evaluating suitability for harsh environments or precision timing applications.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency-control products including quartz crystals, oscillators, and filters. The company has over 50 years of experience in the industry. This part belongs to their standard XO series, designed for general timing applications requiring reliable performance in consumer and industrial electronics.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative suppliers based on matching pinout, voltage, frequency, and package dimensions before substitution.
