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Product Detailed Parameters
- Description：57.603667 M XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：57.603667 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：-
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Overview
The 18QHTF21-57.603667-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 57.603667 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a Standby (Power Down) control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.
Feature Summary
- Supports Standby mode for power management
- Compact surface-mount form factor
Applications
- Digital signal processing systems
- Communication equipment timing
- Embedded system clock sources
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD No Lead package footprint matches the PCB layout to prevent assembly issues. Cross-reference the manufacturer's latest datasheet for any updates on environmental compliance or pin configuration.
Selection Notes
Select this component when a precise 57.603667 MHz clock signal is required in space-constrained designs. The LVCMOS interface ensures compatibility with standard digital logic families. The inclusion of a standby feature allows for dynamic power reduction during idle periods. Consider the operating temperature range and stability requirements to ensure reliable performance under varying environmental conditions.
Part Context
This model belongs to the QHTF series of high-frequency oscillators from Mercury Electronics. The series is characterized by small physical dimensions and low power consumption. These components are designed for applications requiring stable clock signals in portable and industrial electronics. The 'PD' suffix indicates the presence of a power-down capability.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Verify electrical compatibility including frequency, voltage, and output type if considering alternatives.
