CD4075BM OR Gate IC Equivalent & Substitute Parts

Part Overview

The CD4075BM is a 3-channel OR gate logic integrated circuit manufactured by Texas Instruments, housed in a 14-SOIC surface mount package. This component belongs to the 4000B CMOS logic series and is currently classified as Last Time Buy, indicating discontinued production with limited remaining inventory. The CD4075BM performs basic OR logic operations across three independent channels, each with three inputs, making it suitable for digital signal processing and logic control applications. Due to its Last Time Buy status, identifying functionally equivalent substitute parts is essential for design continuity and long-term supply chain planning.

Key Parameters

Parameter	Value
Logic Type	OR Gate
Number of Circuits	3
Number of Inputs	3
Voltage Supply Range	3V ~ 18V
Current - Quiescent (Max)	1 µA
Current - Output High, Low	3.4mA, 3.4mA
Input Logic Level - Low	1.5V ~ 4V
Input Logic Level - High	4.6V ~ 11V
Max Propagation Delay	90ns @ 15V, 50pF
Operating Temperature Range	-55°C ~ 125°C
Package Type	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CD4075BM is determined by strict equivalence across the following critical parameters:

Logic function identity: Both parts must perform identical OR gate operations with the same channel and input configuration (3 channels, 3 inputs per channel).

Electrical specifications: Supply voltage range, quiescent current, output current, input logic levels, and propagation delay must be identical or within the specified tolerances.

Package compatibility: The 14-SOIC surface mount package must be maintained to ensure PCB layout compatibility without redesign.

Operating temperature range: The -55°C ~ 125°C specification must be met or exceeded.

Compliance certifications: RoHS3 compliance and MSL rating must be equivalent or superior.

The CD4075BM96 qualifies as a direct substitute based on these criteria, sharing identical electrical characteristics, package specifications, and compliance status while differing only in packaging format (Cut Tape & Digi-Reel versus Tube).

Parameter Comparison

Parameter	CD4075BM	CD4075BM96	Match Status
Manufacturer	Texas Instruments	Texas Instruments	Identical
Logic Type	OR Gate	OR Gate	Identical
Number of Circuits	3	3	Identical
Number of Inputs	3	3	Identical
Voltage Supply Range	3V ~ 18V	3V ~ 18V	Identical
Current - Quiescent (Max)	1 µA	1 µA	Identical
Current - Output High, Low	3.4mA, 3.4mA	3.4mA, 3.4mA	Identical
Input Logic Level - Low	1.5V ~ 4V	1.5V ~ 4V	Identical
Input Logic Level - High	4.6V ~ 11V	4.6V ~ 11V	Identical
Max Propagation Delay	90ns @ 15V, 50pF	90ns @ 15V, 50pF	Identical
Operating Temperature Range	-55°C ~ 125°C	-55°C ~ 125°C	Identical
Package Type	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Last Time Buy	Active	Substitute is Active
Packaging Format	Tube	Cut Tape (CT) & Digi-Reel®	Different Format

Engineering Selection Recommendations

The CD4075BM96 is the direct substitute for the CD4075BM. Both parts are manufactured by Texas Instruments and share identical electrical and mechanical specifications. The primary distinction is packaging format: the CD4075BM is supplied in Tube packaging, while the CD4075BM96 is available in Cut Tape and Digi-Reel formats.

Selection between these parts should be based on procurement and assembly requirements. The CD4075BM96 carries Active product status, ensuring continued availability and support, whereas the CD4075BM is Last Time Buy with limited inventory. For new designs or long-term production, the CD4075BM96 is the appropriate choice. Both parts maintain ROHS3 compliance and identical MSL ratings, ensuring regulatory and environmental compatibility.

Frequently Asked Questions (FAQ)

Q: Can the CD4075BM96 be used as a direct replacement for the CD4075BM in existing designs?

A: Yes. The CD4075BM96 is electrically and mechanically identical to the CD4075BM. No circuit modifications or PCB redesign is required. The only difference is packaging format (Tube versus Cut Tape & Digi-Reel).

Q: What is the significance of the Last Time Buy status on the CD4075BM?

A: Last Time Buy indicates that Texas Instruments has discontinued production of the CD4075BM. Existing inventory is limited to 3389 pieces. After this stock is depleted, the part will no longer be available. The CD4075BM96, with Active status, is the recommended long-term alternative.

Q: Are there any differences in the 14-SOIC package between these two parts?

A: No. Both parts use the identical 14-SOIC package with 0.154" width and 3.90mm dimensions. PCB footprints and assembly processes are interchangeable.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the CD4075BM and CD4075BM96 are ROHS3 compliant, REACH unaffected, and carry MSL rating 1 (Unlimited). Regulatory and environmental requirements are equivalent.

Q: What is the difference between Tube and Cut Tape packaging?

A: Tube packaging supplies components in plastic tubes suitable for manual handling and small-volume assembly. Cut Tape and Digi-Reel packaging provides components on continuous tape, optimized for automated pick-and-place assembly equipment. The electrical and functional performance of the component is identical regardless of packaging format.

Q: Can the CD4075BM96 handle the same operating temperature range as the CD4075BM?

A: Yes. Both parts operate across the identical temperature range of -55°C to 125°C, ensuring compatibility in applications requiring extended temperature performance.

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