ISM92-3351AH-25.000MHZ

Oscillators Overview

The ISM92-3351AH-25.000MHZ is a surface-mount ceramic clock oscillator from the ILSI ISM92 series, designed for HCMOS and TTL logic compatibility. It operates at a nominal frequency of 25 MHz with a supply voltage of 3.3 V. The device features a 4-pin SMD package measuring 5.0 mm x 3.2 mm x 1.6 mm. Key electrical specifications include an output load of 50 pF, frequency stability of ±25 ppm, and a maximum operating temperature of 70 °C. It supports enable/disable functionality and is lead-free compliant.

Oscillators Feature Summary

• Low jitter, non-PLL based output generation
• CMOS and TTL compatible logic levels
• Enable/Disable control function via input pin
• Compatible with lead-free processing standards

Oscillators Applications

• Fibre Channel server and storage systems
• Sonet/SDH network equipment
• 802.11 Wi-Fi infrastructure
• T1/E1 and T3/E3 system clocks

Oscillators Procurement Notes

Verify the specific suffix codes against the manufacturer's official part number guide to confirm exact frequency tolerance, temperature range, and packaging options. Ensure the selected variant matches the required logic level (HCMOS or TTL) and enable/disable pin configuration for the target circuit design.

Oscillators Selection Notes

Select this component when a standard frequency crystal oscillator is required for digital timing applications. Consider the 5.0 mm x 3.2 mm footprint for PCB layout constraints. Verify that the 3.3 V supply voltage aligns with the system power rails and that the ±25 ppm stability meets the synchronization requirements of the connected peripherals.

Oscillators Part Context

This model belongs to the ISM92 series of ceramic surface-mount oscillators manufactured by ILSI America. The series provides low-jitter clock signals without PLL complexity. The specific part utilizes a standard ceramic package suitable for high-volume manufacturing and offers reliable performance in telecommunications and data storage environments.

Oscillators Replacement Considerations

Consult the official ILSI cross-reference documentation for verified substitute part numbers within the same series or alternative manufacturers offering identical pinouts and electrical characteristics.