ISM97-3251AH-4.000MHZ

Oscillators Overview

The ISM97-3251AH-4.000MHZ is a standard crystal oscillator (XO) manufactured by ILSI America, designed for precise timing signal generation in electronic devices. It operates at a nominal frequency of 4 MHz with a supply voltage of 3.3V and features an enable/disable control function. The component utilizes a 4-pin surface-mount package without lead, ensuring compatibility with modern assembly processes. Key electrical specifications include a frequency stability of ±25ppm and an operating temperature range from -40°C to +85°C, making it suitable for demanding embedded applications requiring reliable clock signals.

Oscillators Feature Summary

• CMOS logic output levels compatible with standard digital interfaces
• Integrated enable and disable functionality for power management
• Lead-free processing compliance for environmental standards

Oscillators Applications

• Microcontroller system clock generation
• Embedded device timing circuits
• Precision timing signal requirements in electronic assemblies

Oscillators Procurement Notes

Verify the specific suffix 'AH' against the manufacturer's official part number guide to confirm pinout configuration and tolerance grades. Ensure the selected variant matches the required frequency stability specification of ±25ppm for your application. Confirm that the 3.3V supply voltage aligns with your system design constraints before procurement.

Oscillators Selection Notes

Select this component when a 4 MHz CMOS clock source with enable/disable control is required. Consider the ±25ppm frequency stability and -40°C to +85°C operating range for environmental suitability. Verify that the 4-SMD no-lead package fits your PCB layout constraints and that the 3.3V supply voltage is compatible with your system architecture.

Oscillators Part Context

This oscillator belongs to the ISM series of surface-mount crystal oscillators from ILSI America. These components are designed to provide stable clock signals for digital systems. The series typically offers various frequencies and packages, with this specific model focusing on the 4 MHz output with enable/disable capabilities in a compact SMD form factor.

Oscillators Replacement Considerations

Consult the official ILSI replacement matrix for direct substitutes. Ensure any alternative maintains the 4 MHz frequency, 3.3V supply, CMOS output, and enable/disable feature. Verify package dimensions and pinout compatibility to ensure mechanical fit without redesigning the PCB.