PI6C182HE

Clock Buffers, Drivers Overview

The PI6C182HE is a precision 1-to-10 non-inverting clock buffer manufactured by Diodes Incorporated, designed for SDRAM clock distribution. It supports frequencies up to 110 MHz (PI6C182) or 125 MHz (PI6C182A). The device operates on a single 3.3V supply and features an I²C serial configuration interface for individual output enable/disable control. Key electrical parameters include a maximum propagation delay of 5.5 ns, output skew under 200 ps at 125 MHz, and low noise characteristics suitable for supporting up to four SDRAM DIMMs.

Clock Buffers, Drivers Feature Summary

• 1-to-10 non-inverting clock buffer with I²C serial configuration
• Supports SDRAM applications up to 125 MHz
• Low output skew (<200ps) between any two output clocks
• Individual output activation/deactivation via I²C interface

Clock Buffers, Drivers Applications

• SDRAM clock buffering for memory modules
• Systems requiring support for up to four SDRAM DIMMs
• High-speed digital circuits needing precise clock distribution

Clock Buffers, Drivers Procurement Notes

Verify the specific suffix against the datasheet ordering information. The 'H' indicates a 28-pin SSOP package. The 'E' denotes Pb-free and Green compliance. Confirm whether the 'X' suffix is required for tape and reel packaging versus cut tape or tube quantities. Ensure the base model matches the required frequency specification (110 MHz vs 125 MHz).

Clock Buffers, Drivers Selection Notes

Select the PI6C182A variant if the application requires operation at 125 MHz; otherwise, the standard PI6C182 supports up to 110 MHz. Both variants share the same pinout and I²C functionality. Ensure the design accommodates the 3.3V power supply requirement and utilizes the multiple VDD/VSS pins for noise reduction as recommended in the layout guidelines.

Clock Buffers, Drivers Part Context

This component belongs to the Pericom/PI6C series of precision clock buffers, now produced under Diodes Incorporated. It serves as a high-speed, low-noise solution for distributing clock signals to multiple synchronous memory devices, replacing older discrete logic solutions with integrated skew management and configurable outputs.

Clock Buffers, Drivers Replacement Considerations

Direct replacements must match the 28-pin SSOP package and 1-to-10 fan-out capability. Verify that substitute parts support the required 3.3V logic levels and offer comparable skew specifications (<200ps). Check for compatible I²C addressing if software control of outputs is utilized in the system design.