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18QHTF21-44.21875-PD is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 44.21875 MHz XO 1.8V 2.0X1.6 PD. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-44.21875-PD
- Description：44.21875 MHz XO 1.8V 2.0X1.6 PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：44.21875 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)：23mA
- 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：-
Oscillators datasheet and documents for 18QHTF21-44.21875-PD
Oscillators Overview
The 18QHTF21-44.21875-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 44.21875 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a Standby (Power Down) control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Oscillators Feature Summary
- LVCMOS output interface
- Standby power down control
- Compact SMD no lead package
Oscillators Applications
- Digital signal processing systems
- Communication equipment timing
- Embedded system clock sources
Oscillators Procurement Notes
Verify the specific suffix PD indicates the Standby control variant against official datasheets. Confirm the 1.8V supply requirement matches target circuit design. Ensure the 4-SMD No Lead footprint aligns with PCB layout specifications to prevent assembly errors.
Oscillators Selection Notes
Select this component when a 44.21875 MHz LVCMOS signal is required with low power consumption capabilities. The Standby feature supports energy efficiency in portable devices. Verify thermal performance within the specified operating temperature range for reliable operation.
Oscillators Part Context
This part belongs to the Mercury Electronics XO series, providing stable frequency generation. The 18QHTF21 prefix denotes the specific package and electrical characteristics family. It serves as a primary clock source for digital circuits requiring accurate timing synchronization.
Oscillators Replacement Considerations
Cross-reference with other 44.21875 MHz LVCMOS oscillators featuring 1.8V supply and Standby functionality. Ensure pin compatibility and package dimensions match the existing design constraints before substitution.
Oscillators FAQ
What is the output logic type?
The output logic is LVCMOS.
Does this oscillator support power saving modes?
Yes, it includes a Standby (Power Down) control function.
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