X9C104PI

Overview

The X9C104PI is a digitally controlled potentiometer (XDCP) manufactured by Renesas Electronics, formerly Intersil. It features a single channel with 100 tap points and a total resistance of 100 kOhms. The device utilizes a linear taper and operates on a 5V supply voltage with a maximum current consumption of 3 mA. It employs a non-volatile memory architecture to retain wiper position data upon power loss. Control is managed via a 3-wire interface using CS, U/D, and INC inputs. The component is housed in an 8-lead PDIP package and supports an industrial operating temperature range from -40°C to +85°C.

Feature Summary

• Non-volatile memory retains wiper position settings after power cycles
• 100-tap resolution with 100 kOhm end-to-end resistance
• 3-Wire serial interface for up/down control
• Industrial temperature range (-40°C to +85°C)

Applications

• Signal processing parameter adjustment
• Control circuit gain setting
• Audio volume control

Procurement Notes

The X9C104PI is listed as a discontinued product by the manufacturer. Verification of availability requires checking authorized distributors for last-time buy status or surplus stock. Ensure the PDIP-8 through-hole package matches the target PCB footprint. Confirm RoHS compliance details directly with the supplier documentation prior to procurement.

Selection Notes

Select this component when a non-volatile digital potentiometer with 100 kOhm resistance is required. The 100-tap resolution provides sufficient granularity for many analog control applications. Verify that the 3-wire interface logic levels are compatible with the host microcontroller. The PDIP-8 package is suitable for through-hole assembly processes.

Part Context

The X9C104PI belongs to the X9C10 series of digitally controlled potentiometers. This family includes variants such as the X9C102, X9C103, and X9C503, which share similar control interfaces and non-volatile memory architectures but differ in resistance values and package options. The P suffix denotes the PDIP package variant.

Replacement Considerations

Direct pin-compatible replacements within the same series include the X9C102PI and X9C103PI, though these have different resistance values. Cross-model substitutes like the X9C503PI offer alternative resistance options. Verify that any replacement maintains the 3-wire interface and non-volatile memory requirements.