NB2308AC1HDTG

Overview

The NB2308AC1HDTG is a commercial-grade, 3.3 V zero delay clock buffer manufactured by onsemi. It features an internal PLL that locks to a reference clock input and provides eight buffered outputs divided into two banks of four. The device supports frequencies up to 133 MHz with output-to-output skew less than 200 ps and cycle-to-cycle jitter under 200 ps. It utilizes advanced 0.35 µm CMOS technology and is housed in a 16-pin TSSOP package.

Feature Summary

• Zero delay buffer with adjustable input-to-output propagation delay via capacitive load on the feedback pin
• High-drive outputs (H suffix) with faster rise and fall times compared to standard versions
• Two selectable output banks controlled by S1 and S2 select inputs for three-stating or direct bypass
• Low-skew performance: <200 ps intra-bank skew and <700 ps inter-device skew

Applications

• High-speed clock distribution in computing systems
• System testing configurations requiring direct clock bypass
• Multi-device clock synchronization networks

Procurement Notes

Verify the 'C' suffix indicates commercial temperature range (0°C to 70°C). Confirm the 'H' suffix denotes high-drive capability. Ensure the 'DT' suffix matches the required TSSOP-16 package. Check for RoHS compliance if lead-free packaging is mandated.

Selection Notes

Select this variant over standard drive versions when faster edge rates are needed. Use the 'I' suffix for industrial temperature ranges (-40°C to 85°C). Consider non-H variants if lower power consumption is prioritized over speed. Verify feedback pin loading requirements for precise delay tuning.

Part Context

This component belongs to the NB2308A family of zero delay buffers. The AC1 designation specifies the base configuration where output frequencies equal the reference frequency. The H variant enhances drive strength, while the DT suffix identifies the thin-shrink small-outline package.

Replacement Considerations

NB2308AI1HDTG offers identical electrical characteristics but operates within the extended industrial temperature range.