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Product Detailed Parameters
- Description：113.333333 M XO 1.8V 2.0X1.6 PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：113.333333 MHz
- Function：Standby (Power Down)
- 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)：28mA
- 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 18QHTF21-113.333333-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 113.333333 MHz with LVCMOS output logic. The device requires a 1.8V supply voltage and supports a standby or power-down mode. It is housed in a 4-SMD, No Lead package.
Feature Summary
- Supports standby and power-down modes for energy management
- Utilizes LVCMOS output logic for digital interface compatibility
- Designed as a standard crystal oscillator (XO)
Applications
- Digital signal processing systems
- Communication equipment requiring precise clocking
- Embedded control circuits
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD No Lead package dimensions fit the designated PCB footprint. Check for any RoHS compliance documentation if required by project specifications.
Selection Notes
Select this component when a 113.333333 MHz clock source is required with low-voltage 1.8V operation. Consider the LVCMOS output compatibility with downstream logic families. Evaluate the need for standby functionality to manage power consumption during idle states. Compare physical size constraints against the 4-SMD No Lead package profile.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within the same package and electrical specification framework. The series typically includes options for different clock rates while maintaining consistent form factors and voltage levels, facilitating design reuse across multiple product variants.
Replacement Considerations
Direct substitutes may include other 18QHTF21 series parts with identical packaging and voltage but different frequencies. Cross-reference with other manufacturers offering 1.8V LVCMOS oscillators in 4-SMD No Lead packages, ensuring frequency and pinout compatibility.
