NB2305AI1HDG

Overview

The NB2305AI1HDG is a zero-delay buffer integrated circuit manufactured by onsemi, belonging to the NB2305A series. It features a single-phase-locked loop (PLL) circuit with one CMOS input and five CMOS outputs, providing a 1:5 clock distribution ratio. The device operates within a supply voltage range of 3 V to 3.6 V, typically at 3.3 V, and supports output frequencies from 15 MHz to 133 MHz. Designed for industrial applications, it functions reliably between -40°C and +85°C. The component is housed in an 8-SOIC surface-mount package with a width of 3.90 mm.

Feature Summary

• Zero-delay PLL architecture ensures minimal clock skew between input and output signals.
• Single circuit configuration with 1:5 input-to-output frequency ratio.
• Operates on silicon technology with a 3 V to 3.6 V power supply range.
• Industrial temperature rating spanning -40°C to +85°C.

Applications

• Clock distribution in high-speed digital systems requiring low jitter.
• Buffering reference clocks for multiple synchronous components.
• Signal integrity management in communication infrastructure equipment.

Procurement Notes

This component is officially listed as End-of-Life (EOL) by onsemi, with a product change notification dated March 29, 2022. Availability is restricted to existing stock or surplus markets. Verification of RoHS compliance indicates adherence to ROHS3 standards. Moisture sensitivity level is rated as MSL 1, allowing unlimited floor life under standard conditions. Buyers should confirm lot dates and authenticity due to the discontinued status.

Selection Notes

Select this part when a 3.3V zero-delay buffer with five outputs is required for frequencies up to 133 MHz. Ensure the design accommodates the SOIC-8 package dimensions. For tape-and-reel packaging variants of the same electrical specification, consider the NB2305AI1DTR2G model, which utilizes an 8-TSSOP package instead of the SOIC form factor.

Part Context

The NB2305AI1HDG is part of the NB2305A family of 3.3V zero-delay clock buffers. It shares functional similarities with other members like the NB2304AI1HDG, which offers four outputs, and the NB2308A series. These devices are designed for applications demanding precise clock synchronization without added propagation delay relative to the input source.

Replacement Considerations

Publicly documented similar replacement parts include Microchip Technology's PL123-05HSC and PL123-05HSC-R. These alternatives are classified as 'similar' type replacements. Verify pinout compatibility and electrical specifications before substitution.