ISM97-3251BH-24.000MHZ

Oscillators Overview

The ISM97-3251BH-24.000MHZ is a surface-mount ceramic package clock oscillator manufactured by ILSI America. It operates at a nominal frequency of 24 MHz with a frequency stability of ±50 ppm. The device utilizes HCMOS/TTL output logic levels and supports an enable/disable function for power management. It is designed for a nominal supply voltage of 3.3 V and features a compact 4-pin SMD footprint measuring 3.2 mm x 2.5 mm x 1.6 mm. The component is lead-free compliant and RoHS certified, suitable for applications requiring low jitter and non-PLL based output signals.

Oscillators Feature Summary

• Low jitter, non-PLL based output signal generation
• CMOS and TTL compatible logic levels for broad interface integration
• Integrated enable/disable functionality for system power control
• Compatible with lead-free processing and RoHS standards

Oscillators Applications

• Fibre Channel server and storage systems
• SONET/SDH network infrastructure
• 802.11/Wi-Fi wireless communication modules
• T1/E1 and T3/E3 system clock distribution

Oscillators Procurement Notes

Verify the specific suffix codes against the official ILSI part number guide to ensure correct frequency tolerance and package dimensions. Confirm that the procurement order matches the required enable/disable feature configuration. Ensure compliance with RoHS and lead-free processing requirements as specified in the datasheet. Cross-reference the operating temperature range and supply voltage specifications with the target application design constraints before finalizing the purchase order.

Oscillators Selection Notes

Select this component when a 24 MHz reference clock is required for high-speed digital interfaces. The 3.2 mm x 2.5 mm package size is ideal for space-constrained PCB layouts. Consider the ±50 ppm stability for standard timing applications where tight crystal precision is not critical. The enable pin allows for dynamic power management in battery-operated or energy-efficient designs. Ensure the load capacitance requirements match the connected circuitry specifications.

Oscillators Part Context

This oscillator belongs to the ISM97 series from ILSI America, which specializes in small-form-factor ceramic packaged oscillators. The series is characterized by its compatibility with both CMOS and TTL logic families, making it versatile for various digital systems. The ISM97 line emphasizes low jitter performance without relying on PLL technology, ensuring clean clock signals for sensitive data transmission applications.

Oscillators Replacement Considerations

Direct substitutes within the same series include models with identical 3.2x2.5mm footprints and 24MHz frequencies, such as variants with different stability ratings. Verify that any replacement maintains the 3.3V supply voltage and enable/disable functionality. Check if alternative packages like 5x7mm or 3.2x5mm are acceptable for the board layout.