ISM97-1251AH-66.666MHZ

Oscillators Overview

The ISM97-1251AH-66.666MHZ is a standard crystal oscillator (XO) manufactured by ILSI, designed for surface-mount applications in a compact 4-SMD, no-lead package measuring 3.20mm x 2.50mm with a maximum height of 1.20mm. It operates at a nominal frequency of 66.666 MHz with CMOS output logic levels and supports an enable/disable function for power management. The device is powered by a 1.8V supply voltage, drawing a maximum operating current of 20mA and a maximum disabled current of 10µA. It features a frequency stability of ±25ppm and functions within a temperature range of -40°C to 85°C.

Oscillators Feature Summary

• CMOS output compatible with standard digital logic interfaces
• Integrated enable and disable functionality for power optimization
• Lead-free construction compliant with RoHS3 environmental standards

Oscillators Applications

• General purpose clock signal generation in embedded systems
• Data communication interface timing references
• Portable electronic devices requiring low-power operation

Oscillators Procurement Notes

Verify the specific suffix codes against the manufacturer's official datasheet to ensure correct voltage, frequency, and tolerance specifications. Confirm that the required package dimensions and pin configuration match the target PCB footprint. Check for compliance with current environmental regulations such as RoHS3 and REACH status before finalizing component selection for production.

Oscillators Selection Notes

Select this component when a precise 66.666 MHz clock source is required with minimal power consumption during inactive states. The small 3.2mm x 2.5mm footprint makes it suitable for space-constrained designs. Ensure the system design accommodates the 1.8V supply rail and that the CMOS output drive capability meets the load requirements of the connected circuitry without additional buffering.

Oscillators Part Context

This part belongs to the ISM97 series of standard crystal oscillators from ILSI. The series offers various frequency options and supply voltages, utilizing a common SMD package format. The ISM97 series is engineered for reliability in consumer and industrial electronics, providing stable clock signals with low jitter characteristics suitable for synchronous digital systems.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching frequency, voltage, package, and stability parameters with equivalent products from other manufacturers.