NB2305AI1HDR2G

Overview

The NB2305AI1HDR2G is a zero-delay buffer integrated circuit manufactured by onsemi, belonging to the NB2305A series. It functions as a PLL-based clock driver with a single input and five CMOS outputs. The device supports maximum frequencies up to 133 MHz and operates within a supply voltage range of 3 V to 3.6 V. It is housed in an 8-SOIC package (0.154 inch width) designed for surface-mount installation. The component is rated for operation between -40°C and +85°C. This specific part number indicates the SOIC-8 packaging variant.

Feature Summary

• Zero-delay buffering architecture utilizing internal PLL technology
• Single differential or single-ended input driving five CMOS outputs
• Maximum operating frequency of 133 MHz
• Operates on a 3 V to 3.6 V power supply

Applications

• Clock distribution in high-speed digital systems
• Buffering reference clocks for processors or memory interfaces
• Signal integrity improvement in PCB routing networks

Procurement Notes

Verify the package type carefully, as the NB2305A family includes both SOIC-8 and TSSOP-8 variants distinguished by suffix letters. Confirm the component status, as listings indicate this series may be subject to end-of-life transitions. Ensure the ordering suffix matches the required physical footprint for the target PCB design.

Selection Notes

Select this component when a low-skew, multi-output clock buffer is required for 3.3 V logic families. Compare against the NB2304A (quad output) or NB2309A (non-buffered) if pin counts differ from requirements. Verify that the 133 MHz frequency limit meets the system clock speed needs.

Part Context

This part belongs to the NB2305A family of 3.3 V zero-delay clock buffers. Related components include the NB2304AI1HDG (quad output) and NB2305AI1DTR2G (TSSOP-8 package). These devices share similar electrical characteristics but differ in output count and physical package dimensions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other NB2305A series parts only if package compatibility is verified.