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Product Detailed Parameters
- Description：59.370079 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：59.370079 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 18QHTF21-59.370079-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 59.370079 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.
Feature Summary
- Supports Enable/Disable functionality for power management
- Utilizes LVCMOS output logic for digital interfacing
- Compact 4-SMD No Lead surface mount package
Applications
- Digital signal processing systems requiring precise clocking
- Communication equipment utilizing LVCMOS interfaces
- Embedded systems with low-voltage power constraints
Procurement Notes
Verify the specific suffix 'OE' against manufacturer documentation to confirm exact electrical characteristics and availability. Ensure the required operating temperature range aligns with system requirements. Cross-reference the part number with official Mercury Electronics catalogs to validate the 1.8V supply specification and package dimensions prior to ordering.
Selection Notes
Select this component when a 59.370079 MHz clock source is required with LVCMOS compatibility. The 1.8V supply requirement dictates power rail compatibility. The small 2.0x1.6mm footprint is suitable for high-density PCB layouts. Confirm that the enable/disable feature meets system power cycling needs.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a standardized 4-SMD package. The series typically supports 1.8V operation and includes enable controls. Similar models in the series include variants like 18QHTF21-37.300-OE and 18QHTF21-21.200-OE, differing primarily in output frequency.
Replacement Considerations
Direct substitutes must match the 59.370079 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and enable logic polarity. Check if alternative manufacturers offer equivalent specifications for this specific frequency.
