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Product Detailed Parameters
- Description：6.13635 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：6.13635 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 18QHTF21-6.13635-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 6.13635 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes Enable/Disable pin functionality for power management
- Utilizes a small form factor 4-SMD no lead package
Applications
- General purpose timing clock generation
- Embedded system clock sources
- Consumer electronics timing circuits
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 2.0x1.6 mm SMD package dimensions to prevent assembly issues during manufacturing.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside a precise 6.13635 MHz reference. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Consider the enable/disable feature if power conservation or clock gating is necessary for the application lifecycle.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series includes various frequencies and voltage levels, all sharing the same compact 2.0x1.6 mm package profile. Mercury Electronics is a established supplier of oscillators and crystals based in Taiwan.
Replacement Considerations
Direct substitutes include other 18QHTF21 series variants with identical package and voltage but different frequencies, such as 18QHTF21-6.000-OE, provided the frequency difference is acceptable. Cross-brand replacements require matching LVCMOS logic, 1.8V supply, and 4-SMD no lead package constraints.
