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Product Detailed Parameters
- Description：57.533667 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：57.533667 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)：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 18QHTF21-57.533667-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a fixed frequency of 57.533667 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component supports a specified operating temperature range typical for commercial applications.
Feature Summary
- LVCMOS output logic interface
- Integrated enable/disable control pin
- Compact 4-SMD no-lead surface mount package
Applications
- General clock signal generation for digital circuits
- Timing reference for embedded systems
- Data communication interfaces requiring precise frequency stability
Procurement Notes
Verify the specific suffix '-OE' against the manufacturer's current datasheet to confirm exact electrical tolerances and lead availability. Ensure the 1.8V supply voltage aligns with the target system design. Confirm the 4-SMD package footprint matches the PCB layout requirements before finalizing procurement orders.
Selection Notes
Select this component when a stable 57.533667 MHz clock source is required for low-voltage 1.8V logic families. The LVCMOS output ensures compatibility with standard CMOS inputs. Consider the small 2.0x1.6mm footprint for space-constrained designs. Verify that the operating temperature range meets the environmental conditions of the intended application.
Part Context
This part belongs to the Mercury Electronics 18QHTF21 series of standard crystal oscillators. The series offers various frequencies within a small SMD form factor. Mercury Electronics specializes in quartz timing components, including crystals, filters, and oscillators, serving global electronics markets with precision frequency control solutions since 1973.
Replacement Considerations
Direct replacements must match the 57.533667 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Check equivalent parts from other manufacturers for compatible pinouts and electrical characteristics. Verify that any substitute maintains similar phase noise and stability specifications.
