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18QHTF21-54.78625-PD is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 54.78625 MHz XO 1.8V 2.0X1.6 PD. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-54.78625-PD
- Description：54.78625 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：54.78625 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)：24mA
- 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 18QHTF21-54.78625-PD
Oscillators Overview
The 18QHTF21-54.78625-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 54.78625 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a power-down function via standby control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.
Oscillators Feature Summary
- Supports low-voltage operation at 1.8V
- Includes standby mode for power management
- Utilizes LVCMOS output interface
Oscillators Applications
- General clock signal generation
- Digital system timing references
- Embedded electronics applications
Oscillators Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply rail is stable and within the operational limits defined in the official datasheet to ensure reliable oscillator performance.
Oscillators Selection Notes
Select this component when a precise 54.78625 MHz clock source is required in space-constrained designs. The 2.0x1.6mm footprint suits high-density PCB layouts. Ensure compatibility with LVCMOS logic levels and verify thermal operating range suitability for the target environment.
Oscillators Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series offers various frequencies in a small SMD package, catering to modern electronic devices requiring miniaturized timing solutions with standard output logic.
Oscillators Replacement Considerations
Direct substitutes must match the 54.78625 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify pinout compatibility and electrical parameters with alternative manufacturers before integration.
Oscillators FAQ
What is the output logic type?
The output logic is LVCMOS.
Does the device support power saving?
Yes, it includes a standby or power-down function.
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