X9315UMZ Digital Potentiometer Equivalent & Substitute Parts

Part Overview

The X9315UMZ is a digital potentiometer manufactured by Renesas Electronics Corporation, designed for data acquisition applications requiring programmable resistance adjustment. This 50kΩ device features 32 taps with Up/Down (U/D, INC, CS) interface control and non-volatile memory for persistent settings. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations. Substitute parts must maintain identical electrical characteristics and mechanical compatibility to ensure direct replacement capability.

Substiute Parts

X9315UMZ

Renesas Electronics CorporationIn Stock: 979X9315UMZ Datasheet

Current PartRFQ

X9313UMZ

IntersilIn Stock: 12711X9313UMZ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The X9313UMZ qualifies as a parametric equivalent to the X9315UMZ based on the following critical substitution criteria:

Matching Parameters:

• Resistance value: 50kΩ
• Number of taps: 32
• Number of circuits: 1
• Interface protocol: Up/Down (U/D, INC, CS)
• Memory type: Non-Volatile
• Supply voltage: 5V
• Taper characteristic: Linear
• Tolerance: ±20%
• Temperature coefficient: ±300ppm/°C
• Mounting type: Surface Mount
• Package form factor: 8-MSOP (0.118", 3.00mm Width)
• Operating temperature range: 0°C ~ 70°C

These parameters define the functional and mechanical compatibility envelope for direct substitution in applications designed for the X9315UMZ.

Parameter Comparison

Engineering Selection Recommendations

The X9313UMZ (Intersil) is a direct functional and mechanical substitute for the obsolete X9315UMZ (Renesas). Selection between these parts should be based on the following factors:

Product Status: The X9315UMZ is classified as obsolete, while the X9313UMZ maintains active product status with confirmed inventory availability (12,649 units in stock versus 870 units for the X9315UMZ). Active status ensures continued supply chain support and manufacturing consistency.

Compliance and Certifications: Both parts maintain equivalent compliance profiles within the provided specifications. The X9313UMZ carries HTSUS classification 0000.00.0000, while specific compliance documentation for the X9315UMZ is available through manufacturer datasheets.

Inventory Considerations: The X9313UMZ offers significantly higher inventory availability, supporting both immediate replacement requirements and long-term production planning.

Frequently Asked Questions (FAQ)

Q: Can the X9313UMZ directly replace the X9315UMZ in existing designs?

A: Yes. The X9313UMZ matches all critical electrical and mechanical parameters of the X9315UMZ, including resistance value, tap count, interface protocol, supply voltage, package form factor, and operating temperature range. Pin-to-pin compatibility and functional equivalence are established.

Q: Are there differences in wiper resistance between these parts?

A: The X9315UMZ specifies typical wiper resistance of 200Ω, while the X9313UMZ specifies 40Ω. This parameter difference does not affect substitution eligibility when the application does not impose specific wiper resistance requirements. Circuit designs should be reviewed to confirm wiper resistance tolerance.

Q: What is the significance of the 8-MSOP package specification?

A: The 8-MSOP package (0.118", 3.00mm Width) defines the physical footprint and pin configuration. Both parts use identical packaging, ensuring PCB layout compatibility without redesign requirements.

Q: Why is the X9315UMZ classified as obsolete?

A: Obsolescence reflects manufacturer discontinuation decisions. The X9313UMZ provides functional continuity for applications requiring 50kΩ digital potentiometers with 32-tap Up/Down control and non-volatile memory.

Q: Are there supply voltage or temperature range limitations when substituting?

A: Both parts operate at 5V supply and 0°C to 70°C temperature range. Applications must remain within these specifications regardless of which part is selected.