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Product Detailed Parameters
- Description：10.964705 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：10.964705 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)：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 18QHTF21-10.964705-OE is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 10.964705 MHz with an LVCMOS output logic level. The device requires 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 2.0mm x 1.6mm.
Feature Summary
- Supports Enable/Disable functionality for power management
- Utilizes LVCMOS output logic for digital interface compatibility
- Designed in a small form factor 4-SMD No Lead package
Applications
- General clock signal generation in embedded systems
- Timing reference for low-voltage digital circuits
- Portable electronic devices requiring compact oscillators
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the LVCMOS output swing is compatible with the receiving logic inputs to guarantee signal integrity.
Selection Notes
Select this component when a precise 10.964705 MHz timing source is required for 1.8V logic families. The choice is driven by the need for a small footprint and the ability to actively disable the oscillator to reduce power consumption during idle states compared to always-on alternatives.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on miniature surface-mount oscillators. The series typically offers various standard frequencies within a consistent physical envelope, allowing designers to maintain board layout consistency across different product variants while adjusting only the frequency parameter.
Replacement Considerations
Direct substitutes include other 18QHTF21 series parts with identical pinout and voltage but different frequencies, such as the 18QHTF21-13.1313-OE or 18QHTF21-21.200-OE, provided the system timing requirements allow for the frequency change.
