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18QHTF21-20.571-OE is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 20.571 MHz XO 1.8V 2.0X1.6 MM OE. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-20.571-OE
- Description：20.571 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：20.571 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：-
Oscillators datasheet and documents for 18QHTF21-20.571-OE
Oscillators Overview
The 18QHTF21-20.571-OE is a 20.571 MHz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a supply voltage of 1.8V and utilizes LVCMOS output logic. The device features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component serves as a standard clock source for timing applications requiring low voltage operation.
Oscillators Feature Summary
- LVCMOS output interface
- Enable/Disable control pin
- Compact 2.0x1.6mm SMD package
Oscillators Applications
- Timing and clock signal generation
- Embedded systems
- Consumer electronics
Oscillators Procurement Notes
Verify the specific suffix (OE vs PD) against official Mercury documentation to confirm exact electrical characteristics and packaging details. Ensure the required frequency tolerance and load capacitance match the target circuit design. Cross-reference the manufacturer's latest datasheet to confirm availability and lead times before finalizing procurement plans.
Oscillators Selection Notes
Select this model when a 20.571 MHz clock signal is required within a 1.8V system environment. The small form factor suits space-constrained designs. Verify that the LVCMOS output swing is compatible with the receiving logic inputs. Confirm that the enable/disable feature aligns with the system's power sequencing requirements.
Oscillators Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in quartz crystals and oscillators since 1973. The 18QHTF21 series represents their line of surface-mount crystal oscillators designed for high reliability and stability in various electronic applications.
Oscillators FAQ
What is the output logic type?
The 18QHTF21-20.571-OE uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.
Does the oscillator support power control?
Yes, the device includes an Enable/Disable function to control power consumption.
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