CD4078BPW Equivalent & Substitute Parts

Part Overview

The CD4078BPW is an 8-input NOR/OR gate logic integrated circuit manufactured by Texas Instruments in the 4000B CMOS series. This component is designed for configurable logic applications requiring single-circuit, 8-input gate functionality in a 14-TSSOP surface mount package.

The CD4078BPW has been discontinued at DiGi Electronics. Locating equivalent substitute parts is necessary to maintain design continuity and ensure project completion when original inventory is unavailable. The substitute part CD4078BPWR maintains identical electrical and mechanical specifications while offering active product status and improved availability.

Substiute Parts

CD4078BPW

Texas InstrumentsIn Stock: 2317CD4078BPW Datasheet

Current PartRFQ

CD4078BPWR

Texas InstrumentsIn Stock: 10232CD4078BPWR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The CD4078BPWR qualifies as a direct substitute for the CD4078BPW based on the following criteria:

Electrical Compatibility:

• Identical logic type (NOR/OR Gate)
• Identical circuit count (1 circuit)
• Identical input count (8 inputs)
• Identical output type (Single-Ended)
• Identical output current specifications (6.8mA, 6.8mA)
• Identical supply voltage range (3V ~ 18V)
• Identical operating temperature range (-55°C ~ 125°C)

Mechanical Compatibility:

• Identical package type (14-TSSOP)
• Identical package dimensions (0.173", 4.40mm Width)
• Identical mounting type (Surface Mount)

Regulatory & Compliance Alignment:

• Identical RoHS status (ROHS3 Compliant)
• Identical MSL rating (1 - Unlimited)
• Identical REACH status (REACH Unaffected)

The only difference between these parts is packaging format: CD4078BPW is supplied in Tube packaging, while CD4078BPWR is supplied in Cut Tape (CT) & Digi-Reel® format. This difference does not affect electrical or mechanical performance.

Parameter Comparison

Engineering Selection Recommendations

The CD4078BPWR is the appropriate substitute for the CD4078BPW in all applications where the original part was specified. Both parts are manufactured by Texas Instruments and share identical electrical and mechanical characteristics across all functional parameters.

The CD4078BPWR offers the advantage of active product status, ensuring continued availability and supply chain reliability. The difference in packaging format (Cut Tape & Digi-Reel® versus Tube) does not affect component performance and is determined by procurement and assembly requirements rather than technical compatibility.

Both parts maintain ROHS3 compliance and identical regulatory certifications, making them interchangeable from a compliance perspective.

Frequently Asked Questions (FAQ)

Q: Can CD4078BPWR be used as a direct replacement for CD4078BPW?

A: Yes. Both parts are electrically and mechanically identical. They share the same logic type, input/output specifications, supply voltage range, operating temperature range, package type, and dimensions. The only difference is packaging format.

Q: What is the difference between Tube and Cut Tape & Digi-Reel® packaging?

A: Tube packaging supplies components in plastic tubes for manual handling and small-quantity assembly. Cut Tape & Digi-Reel® packaging supplies components on continuous tape for automated pick-and-place assembly equipment. The components themselves are identical; the packaging format is selected based on assembly process requirements.

Q: Are there any compliance or certification differences between these parts?

A: No. Both CD4078BPW and CD4078BPWR carry identical RoHS3 compliance, REACH status, and MSL ratings. They are fully interchangeable from a regulatory and compliance standpoint.

Q: Why is CD4078BPW discontinued while CD4078BPWR remains active?

A: Product status reflects supplier inventory and distribution decisions. The CD4078BPWR remains in active production and distribution, making it the recommended choice for new designs and ongoing production requirements.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution eligibility is determined by matching logic type, circuit count, input count, output type, output current ratings, supply voltage range, operating temperature range, package type, and package dimensions. All these parameters are identical between CD4078BPW and CD4078BPWR.