CD74HC4046AM96G4 Equivalent & Substitute Parts

Part Overview

The CD74HC4046AM96G4 is a Phase Lock Loop (PLL) integrated circuit manufactured by Texas Instruments, designed for clock and timing applications. This device operates at a maximum frequency of 38MHz with a 1:4 input-to-output ratio and supports a supply voltage range of 2V to 6V. The part is packaged in a 16-SOIC (0.154", 3.90mm Width) surface mount configuration and is ROHS3 compliant with MSL Level 1 rating.

The CD74HC4046AM96G4 is currently discontinued at DiGi Electronics. Identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

CD74HC4046AM96G4

Texas InstrumentsIn Stock: 1196CD74HC4046AM96G4 Datasheet

Current PartRFQ

CD74HC4046AM96

Texas InstrumentsIn Stock: 19600CD74HC4046AM96 Datasheet

MFR RecommendedRFQ

CD74HC4046AMT

Texas InstrumentsIn Stock: 1301CD74HC4046AMT Datasheet

Parametric EquivalentRFQ

CD74HC7046AMT

Texas InstrumentsIn Stock: 993CD74HC7046AMT Datasheet

Parametric EquivalentRFQ

74HC4046AD,653

NXP SemiconductorsIn Stock: 7795474HC4046AD,653 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the CD74HC4046AM96G4 is determined by the following critical parameters: PLL functionality, CMOS input/output compatibility, 38MHz maximum frequency capability, 1:4 input-to-output ratio, 2V to 6V supply voltage range, 16-SOIC package configuration, and surface mount mounting type.

The substitute parts are grouped into two categories:

Texas Instruments Direct Equivalents (CD74HC4046 Series): Parts CD74HC4046AM96 and CD74HC4046AMT maintain identical electrical specifications and package configuration. These parts differ only in packaging format (Cut Tape & Digi-Reel versus Tape & Reel) and product status (Active versus Discontinued). Both are fully interchangeable at the circuit level.

Parametric Equivalent with Ratio Variation (CD74HC7046AMT): This part maintains the same frequency, voltage, temperature range, and package specifications but features a 1:2 input-to-output ratio instead of 1:4. This part is suitable only for applications where the different ratio is functionally acceptable.

Cross-Manufacturer Alternative (74HC4046AD,653 by NXP Semiconductors): This part operates at a reduced maximum frequency of 21MHz with a narrower supply voltage range (3V to 6V) and operating temperature range (-40°C to 125°C). Substitution requires verification that these parameter reductions are compatible with the target application.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes: CD74HC4046AM96 and CD74HC4046AMT are the recommended direct replacements for the CD74HC4046AM96G4. Both parts are manufactured by Texas Instruments, maintain active product status, and provide identical electrical and mechanical specifications. Selection between these two should be based on packaging requirements: CD74HC4046AM96 is available in Cut Tape & Digi-Reel format, while CD74HC4046AMT is supplied in Tape & Reel format. Both are ROHS3 compliant with MSL Level 1 rating.

Secondary Substitute: CD74HC7046AMT is suitable only for applications where a 1:2 input-to-output ratio is functionally equivalent to the original 1:4 ratio. This part maintains all other electrical specifications and is ROHS3 compliant.

Cross-Manufacturer Alternative: 74HC4046AD,653 from NXP Semiconductors operates at a reduced maximum frequency of 21MHz and narrower supply voltage range (3V to 6V). This part is suitable only for applications operating below 21MHz with supply voltages within the 3V to 6V range. Compliance certifications for this part differ from the original specification.

Frequently Asked Questions (FAQ)

Q: Can CD74HC4046AM96 directly replace CD74HC4046AM96G4?

A: Yes. CD74HC4046AM96 is a direct electrical and mechanical equivalent. The difference is packaging format and product status. CD74HC4046AM96 is currently active and available in Cut Tape & Digi-Reel packaging.

Q: What is the difference between CD74HC4046AM96 and CD74HC4046AMT?

A: Both parts are electrically identical. The difference is packaging: CD74HC4046AM96 uses Cut Tape & Digi-Reel format, while CD74HC4046AMT uses Tape & Reel format. Selection depends on assembly line requirements.

Q: Can CD74HC7046AMT be used as a substitute?

A: CD74HC7046AMT is a parametric equivalent with one critical difference: it features a 1:2 input-to-output ratio instead of 1:4. Substitution is possible only if the circuit design can accommodate this ratio change.

Q: Is the NXP 74HC4046AD,653 a suitable replacement?

A: The NXP part operates at a reduced maximum frequency of 21MHz (versus 38MHz) and requires a minimum supply voltage of 3V (versus 2V). Substitution is valid only for applications operating within these reduced specifications.

Q: Are all substitute parts RoHS compliant?

A: CD74HC4046AM96, CD74HC4046AMT, and CD74HC7046AMT are ROHS3 compliant. Compliance status for 74HC4046AD,653 is not specified in the provided data.

Q: Do all parts use the same 16-SOIC package?

A: Yes. All listed parts use the 16-SOIC (0.154", 3.90mm Width) surface mount package and are mechanically interchangeable at the board level.

Q: What is the MSL rating for these parts?

A: All parts carry MSL Level 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage and handling.