CD4017BCM Equivalent & Substitute Parts

Part Overview

The CD4017BCM is a decade counter logic integrated circuit manufactured by onsemi, designed for counting applications requiring a 10-bit positive/negative trigger counter in a 16-SOIC surface mount package. The device operates across a supply voltage range of 3V to 15V and temperature range of -55°C to 125°C. The CD4017BCM is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD4017BCM
Manufacturer	onsemi
Logic Type	Counter, Decade
Number of Bits per Element	10 Bit
Direction	Up
Reset	Asynchronous
Timing	Synchronous
Trigger Type	Positive, Negative
Voltage - Supply	3 V ~ 15 V
Operating Temperature	-55°C ~ 125°C (TA)
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
Series	4000B

Substitute Part Grouping Explanation

Substitute parts for the CD4017BCM are qualified based on the following critical parameters that determine functional compatibility:

Core Functional Parameters:

Logic Type: Counter, Decade (1 Element, 10 Bit)
Direction: Up
Reset: Asynchronous
Timing: Synchronous
Trigger Type: Positive, Negative
Number of Elements: 1
Number of Bits per Element: 10

Electrical Parameters:

Voltage - Supply: 3 V ~ 15 V (minimum requirement)
Operating Temperature: -55°C ~ 125°C (TA)

Physical Parameters:

Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Substitutes are grouped into two categories:

Category 1: Direct Functional Equivalents (Same Core Parameters) Parts that maintain identical logic functionality, voltage range compatibility, and package specifications. These include MC14017BDG, MC14017BDR2G, NLV14017BDR2G, CD4017BM, CD4017BM96, and CD4017BNSR.

Category 2: Compatible Alternatives (Extended Voltage Range) Parts that exceed the minimum voltage supply range (3V ~ 18V) while maintaining all core functional parameters. These provide broader operational flexibility in designs requiring higher supply voltages.

Category 3: Performance-Enhanced Alternatives Parts with higher count rate specifications (16 MHz or 30 MHz versus base specifications) that maintain functional compatibility while offering improved timing performance.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Voltage - Supply	Operating Temperature	Package / Case	Count Rate	Product Status	RoHS Status
CD4017BCM	onsemi	Counter, Decade	3 V ~ 15 V	-55°C ~ 125°C	16-SOIC (0.154", 3.90mm)	Not specified	Obsolete	Not specified
MC14017BDG	onsemi	Counter, Decade	3 V ~ 18 V	-55°C ~ 125°C	16-SOIC (0.154", 3.90mm)	16 MHz	Active	ROHS3 Compliant
MC14017BDR2G	onsemi	Counter, Decade	3 V ~ 18 V	-55°C ~ 125°C	16-SOIC (0.154", 3.90mm)	16 MHz	Active	ROHS3 Compliant
NLV14017BDR2G	onsemi	Counter, Decade	3 V ~ 18 V	-55°C ~ 125°C	16-SOIC (0.154", 3.90mm)	Not specified	Active	ROHS3 Compliant
CD4017BM	Texas Instruments	Counter, Decade	3 V ~ 18 V	-55°C ~ 125°C	16-SOIC (0.154", 3.90mm)	5.5 MHz	Discontinued at DiGi Electronics	ROHS3 Compliant
CD4017BM96	Texas Instruments	Counter, Decade	3 V ~ 18 V	-55°C ~ 125°C	16-SOIC (0.154", 3.90mm)	5.5 MHz	Active	ROHS3 Compliant
CD4017BNSR	Texas Instruments	Counter, Decade	3 V ~ 18 V	-55°C ~ 125°C	16-SOIC (0.209", 5.30mm)	5.5 MHz	Active	ROHS3 Compliant
HEF4017BT,653	Nexperia USA Inc.	Counter, Decade	4.5 V ~ 15.5 V	-40°C ~ 85°C	16-SOIC (0.154", 3.90mm)	30 MHz	Active	ROHS3 Compliant
NLV14017BDG	onsemi	Counter, Decade	3 V ~ 18 V	-55°C ~ 125°C	16-SOIC (0.154", 3.90mm)	Not specified	Obsolete	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Compatibility):

CD4017BM96 and CD4017BNSR from Texas Instruments are recommended as primary substitutes. Both maintain active product status, ROHS3 compliance, and full functional compatibility with the CD4017BCM. CD4017BM96 is available in the original 16-SOIC (0.154", 3.90mm) package, ensuring direct board-level compatibility. CD4017BNSR uses a wider 16-SOIC (0.209", 5.30mm) package and requires PCB layout verification before implementation.

Secondary Substitutes (onsemi Alternatives):

MC14017BDR2G and MC14017BDG from onsemi provide active product status with extended voltage supply range (3V ~ 18V) and 16 MHz count rate performance. Both maintain the original package specification and ROHS3 compliance. MC14017BDR2G is supplied in Tape & Reel packaging, while MC14017BDG is supplied in Tube packaging.

Performance-Enhanced Alternative:

HEF4017BT,653 from Nexperia USA Inc. offers the highest count rate specification at 30 MHz with active product status and ROHS3 compliance. This part operates within a narrower voltage range (4.5V ~ 15.5V) and reduced temperature range (-40°C ~ 85°C), requiring design verification for applications requiring the full -55°C to 125°C operating range.

Obsolete Alternatives (Not Recommended for New Designs):

NLV14017BDG is classified as obsolete and should not be selected for new designs despite maintaining functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can CD4017BM96 be used as a direct replacement for CD4017BCM?

A: Yes. CD4017BM96 maintains identical logic functionality (decade counter, 10-bit, positive/negative trigger), operates within the required voltage range (3V ~ 18V exceeds the 3V ~ 15V requirement), maintains the same operating temperature range (-55°C ~ 125°C), and uses the same 16-SOIC (0.154", 3.90mm) package. The part is currently in active production status.

Q: What is the difference between MC14017BDR2G and MC14017BDG?

A: Both parts are functionally identical decade counters from onsemi with identical electrical specifications. The primary difference is packaging: MC14017BDR2G is supplied in Tape & Reel (TR) format for automated assembly, while MC14017BDG is supplied in Tube format for manual handling. Selection depends on assembly process requirements.

Q: Why does CD4017BNSR have a different package width than other substitutes?

A: CD4017BNSR uses a 16-SOIC (0.209", 5.30mm) package, which is wider than the standard 16-SOIC (0.154", 3.90mm) used by CD4017BCM and most substitutes. This requires verification of PCB footprint compatibility and may necessitate layout modifications before implementation.

Q: Is HEF4017BT,653 suitable for applications requiring -55°C operation?

A: No. HEF4017BT,653 operates within the temperature range of -40°C ~ 85°C, which does not meet the -55°C minimum requirement of the original CD4017BCM. This part is suitable only for applications with operating temperature requirements of -40°C or higher.

Q: What does ROHS3 compliance mean for these parts?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive 3 requirements, restricting the use of specific hazardous materials in electrical and electronic equipment. All active substitute parts listed are ROHS3 compliant.

Q: Can I use HEF4017BT,653 in a design requiring 3V supply voltage?

A: No. HEF4017BT,653 requires a minimum supply voltage of 4.5V, which exceeds the 3V minimum requirement of the CD4017BCM. Designs operating at 3V supply voltage must use alternatives with 3V minimum specification, such as CD4017BM96, MC14017BDR2G, or MC14017BDG.

Q: What inventory levels are available for substitute parts?

A: CD4017BM96 has the highest inventory at 35,400 pieces. MC14017BDR2G has 2,900 pieces. CD4017BM has 25,200 pieces (discontinued at DiGi Electronics). HEF4017BT,653 has 90,185 pieces. Inventory levels should be verified with suppliers for current availability.

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