CD4024BDMSR Equivalent & Substitute Parts

Part Overview

The CD4024BDMSR is a 7-bit binary counter logic integrated circuit manufactured by Renesas Electronics Corporation in 14-SBDIP packaging. This component functions as a ripple-carry binary counter with asynchronous reset and negative edge triggering. The CD4024BDMSR is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain functional equivalence across logic type, bit configuration, reset mechanism, and trigger characteristics while accommodating packaging and voltage supply variations.

Substiute Parts

CD4024BDMSR

Renesas Electronics CorporationIn Stock: 1026CD4024BDMSR Datasheet

Current PartRFQ

CD4024BE

Texas InstrumentsIn Stock: 35297CD4024BE Datasheet

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CD4024BF

Texas InstrumentsIn Stock: 1463CD4024BF Datasheet

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CD4024BF3A

Texas InstrumentsIn Stock: 1461CD4024BF3A Datasheet

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JM38510/05655BCA

Texas InstrumentsIn Stock: 856JM38510/05655BCA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD4024BDMSR is determined by strict equivalence across the following core parameters: logic type (binary counter), number of bits (7-bit), counting direction (up), reset mechanism (asynchronous), and trigger type (negative edge). All substitute parts must maintain these functional characteristics. Operating temperature range (-55°C ~ 125°C) and RoHS3 compliance are additional criteria for substitution validity. Packaging differences between 14-SBDIP, 14-PDIP, and 14-CDIP are accommodated within the through-hole mounting category and do not prevent functional substitution. Voltage supply ranges differ between the main part (20 V ~ 20 V) and substitute parts (3 V ~ 18 V), requiring circuit design verification for compatibility. Count rate variations (12 MHz for CD4024BDMSR versus 24 MHz for substitutes) represent performance enhancements and do not prevent substitution in applications with lower frequency requirements.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed (CD4024BE, CD4024BF, CD4024BF3A, and JM38510/05655BCA) maintain active product status with ROHS3 compliance and REACH unaffected certification. These characteristics ensure long-term availability and regulatory compliance for new designs and production continuity.

The CD4024BE is packaged in 14-PDIP format and represents the standard commercial equivalent. The CD4024BF and CD4024BF3A are packaged in 14-CDIP format, matching the ceramic dual-in-line package category of the original CD4024BDMSR. The JM38510/05655BCA is a military-grade equivalent also in 14-CDIP packaging, suitable for applications requiring enhanced reliability specifications.

Voltage supply range differences require circuit design verification. The CD4024BDMSR operates at 20 V fixed supply, while all substitutes operate across 3 V ~ 18 V ranges. Applications designed for the original part's voltage specification must confirm compatibility with the substitute's voltage operating window.

Count rate enhancement from 12 MHz to 24 MHz in all substitute parts provides performance margin and does not restrict substitution in frequency-limited applications. Through-hole mounting compatibility across all parts ensures PCB layout consistency.

Frequently Asked Questions (FAQ)

Q: Can CD4024BE substitute for CD4024BDMSR in all applications?

A: CD4024BE maintains functional equivalence across logic type, bit configuration, reset mechanism, and trigger characteristics. The 14-PDIP package is mechanically compatible with through-hole PCB layouts designed for 14-pin DIP components. Voltage supply range differences (3 V ~ 18 V versus 20 V ~ 20 V) require circuit verification to confirm the substitute operates within the application's power supply specifications.

Q: What is the difference between CD4024BF and CD4024BF3A?

A: Both parts are functionally identical 7-bit binary counters in 14-CDIP packaging with identical electrical specifications. CD4024BF3A includes a temperature code designation (3A) indicating specific temperature grade classification. Selection between these parts depends on procurement requirements and inventory availability, as functional performance is equivalent.

Q: Why does JM38510/05655BCA have a different part number format?

A: JM38510/05655BCA follows military specification part numbering conventions (JM38510 series) while maintaining the same 7-bit binary counter functionality as commercial CD4024 variants. This part is suitable for applications requiring military-grade reliability and traceability. Functional substitution is valid for applications where military specification compliance is required.

Q: Are packaging differences between 14-SBDIP, 14-PDIP, and 14-CDIP significant for substitution?

A: All three package types are through-hole dual-in-line formats with 0.300" (7.62mm) pitch and 14-pin configurations. Pin spacing and PCB footprints are compatible across these package variants. Substitution is valid from a mechanical standpoint, though PCB layout verification is recommended to confirm component clearance and thermal management requirements.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts are ROHS3 compliant and REACH unaffected. These certifications ensure regulatory compliance for commercial and industrial applications in regions with environmental and hazardous substance restrictions. Military-grade part JM38510/05655BCA maintains identical compliance status.

Q: Can the 24 MHz count rate of substitutes replace the 12 MHz CD4024BDMSR?

A: Yes. The 24 MHz count rate of substitute parts represents a performance enhancement. Applications designed for 12 MHz operation function correctly with 24 MHz-rated substitutes, as the higher frequency capability does not restrict operation at lower frequencies. Circuit design must confirm that timing-dependent functions remain within specification.