CD4069UBCM Equivalent & Substitute Parts

Part Overview

The CD4069UBCM is a 6-channel inverter logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This device implements basic logic inversion functionality across six independent channels with single input per channel. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	CD4069UBCM
Manufacturer	onsemi
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage Supply Range	3V ~ 15V
Current - Quiescent (Max)	1 µA
Current - Output High, Low	3.4mA, 3.4mA
Input Logic Level - Low	1V ~ 3V
Input Logic Level - High	4V ~ 12V
Max Propagation Delay @ 15V, 50pF	50ns
Operating Temperature	-55°C ~ 125°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the CD4069UBCM is determined by the following critical parameters:

Logic function: 6-channel inverter with single input per channel
Electrical specifications: Supply voltage range, quiescent current, output drive capability, propagation delay, and input logic thresholds
Package compatibility: 14-SOIC surface mount form factor
Operating temperature range: -55°C to 125°C minimum
Functional equivalence: All substitute parts must maintain identical logic operation

Substitute parts are grouped into two categories based on electrical performance:

Category A (Direct Electrical Match): Parts with identical or tighter specifications to the CD4069UBCM, including output drive current (3.4mA) and propagation delay (50ns at 15V, 50pF).

Category B (Enhanced Performance): Parts with improved electrical characteristics, including higher output drive current (8.8mA) and extended supply voltage range (3V ~ 18V), suitable for applications requiring greater noise margin or higher current delivery.

Parameter Comparison

Part Number	Manufacturer	Voltage Supply	Quiescent Current (Max)	Output Current (High/Low)	Propagation Delay @ 15V, 50pF	Operating Temp	Package	Product Status	RoHS Status
CD4069UBCM	onsemi	3V ~ 15V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	14-SOIC	Obsolete	Not Specified
MC14069UBDG	onsemi	3V ~ 18V	1 µA	8.8mA, 8.8mA	55ns	-55°C ~ 125°C	14-SOIC	Active	ROHS3 Compliant
MC14069UBDR2G	onsemi	3V ~ 18V	1 µA	8.8mA, 8.8mA	55ns	-55°C ~ 125°C	14-SOIC	Active	ROHS3 Compliant
CD4069UBM	Texas Instruments	3V ~ 18V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	14-SOIC	Active	ROHS3 Compliant
CD4069UBM96	Texas Instruments	3V ~ 18V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	14-SOIC	Active	ROHS3 Compliant
CD4069UBMT	Texas Instruments	3V ~ 18V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	14-SOIC	Discontinued at DiGi Electronics	ROHS3 Compliant
CD4069UBNSR	Texas Instruments	3V ~ 18V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	14-SO (0.209", 5.30mm)	Active	ROHS3 Compliant
HCF4069YUM013TR	STMicroelectronics	3V ~ 20V	5 µA	6.8mA, 6.8mA	50ns	-40°C ~ 125°C	14-SOIC	Active	ROHS3 Compliant
HEC4069UBT,112	NXP USA Inc.	3V ~ 15V	1 µA	3.4mA, 3.4mA	25ns	-40°C ~ 125°C	14-SO	Active	ROHS3 Compliant
HEC4069UBT,118	NXP USA Inc.	3V ~ 15V	1 µA	3.4mA, 3.4mA	25ns	-40°C ~ 125°C	14-SO	Active	ROHS3 Compliant
HEF4069UBT,652	NXP USA Inc.	3V ~ 15V	1 µA	3.4mA, 3.4mA	30ns	-40°C ~ 125°C	14-SO	Active	Not Specified

Engineering Selection Recommendations

Primary Recommendation - Category A (Direct Electrical Match):

CD4069UBM or CD4069UBM96 (Texas Instruments) are the preferred substitutes. Both maintain identical output drive current (3.4mA) and propagation delay (50ns) to the CD4069UBCM while offering extended supply voltage range (3V ~ 18V) and active product status. Both are ROHS3 compliant and available in high volume. CD4069UBM96 offers superior availability (105,300 pcs in stock).

Secondary Recommendation - Category B (Enhanced Performance):

MC14069UBDR2G (onsemi) provides higher output drive current (8.8mA) and extended supply voltage range (3V ~ 18V), beneficial for applications requiring greater current delivery or improved noise immunity. This part is ROHS3 compliant and maintains active status with substantial inventory (142,600 pcs).

Alternative for Tighter Timing Requirements:

HEC4069UBT,112 (NXP USA Inc.) offers faster propagation delay (25ns at 15V, 50pF) compared to the original specification (50ns), suitable for applications with stricter timing constraints. This part maintains identical output drive current and quiescent current specifications.

Note on Package Variants:

CD4069UBNSR (Texas Instruments) uses a wider 14-SO package (0.209", 5.30mm width) compared to the standard 14-SOIC (0.154", 3.90mm width). This variant is suitable only if PCB layout accommodates the larger package footprint.

Note on Temperature Range:

HCF4069YUM013TR (STMicroelectronics) operates at -40°C minimum (versus -55°C for the original), limiting use in extended temperature applications. This part includes AEC-Q100 automotive qualification and is suitable for automotive-grade applications only.

Frequently Asked Questions (FAQ)

Q: Can MC14069UBDR2G replace CD4069UBCM directly?

A: Yes. MC14069UBDR2G is functionally equivalent with identical logic operation, package form factor (14-SOIC), and operating temperature range (-55°C ~ 125°C). The higher output drive current (8.8mA versus 3.4mA) and extended supply voltage range (3V ~ 18V versus 3V ~ 15V) represent improvements that do not affect compatibility.

Q: What is the difference between CD4069UBM and CD4069UBM96?

A: Both parts are electrically identical with matching specifications. CD4069UBM96 is the tape-and-reel variant (Cut Tape & Digi-Reel packaging) with significantly higher inventory availability (105,300 pcs versus 1,330 pcs for CD4069UBM). Selection depends on packaging and quantity requirements.

Q: Why do some substitutes have different package designations (14-SO versus 14-SOIC)?

A: 14-SO and 14-SOIC refer to different package widths. Standard 14-SOIC measures 0.154" (3.90mm) width, while 14-SO measures 0.209" (5.30mm) width. These are not interchangeable on the same PCB footprint. Verify PCB layout compatibility before selecting wider package variants.

Q: Is HEC4069UBT,112 suitable for all applications requiring CD4069UBCM?

A: HEC4069UBT,112 is suitable for applications where the reduced operating temperature range (-40°C ~ 125°C versus -55°C ~ 125°C) is acceptable. The faster propagation delay (25ns) is beneficial for timing-critical circuits. The 14-SO package width (0.209") differs from the original 14-SOIC (0.154"), requiring PCB layout verification.

Q: Are all substitute parts RoHS compliant?

A: Most substitute parts are ROHS3 compliant. HEF4069UBT,652 does not specify RoHS status in available data. Verify RoHS compliance requirements for your application before final selection.

Q: What is the significance of the extended supply voltage range (3V ~ 18V) in MC14069UBDG and MC14069UBDR2G?

A: The extended range allows operation at higher supply voltages than the original CD4069UBCM (3V ~ 15V). This provides greater design flexibility for systems with variable supply voltages or higher noise margins. The parts remain backward compatible with 3V ~ 15V applications.

Q: Can HCF4069YUM013TR be used in non-automotive applications?

A: HCF4069YUM013TR is qualified to AEC-Q100 automotive standards and is suitable for any application. However, the reduced operating temperature range (-40°C ~ 125°C) and higher quiescent current (5 µA versus 1 µA) should be evaluated against application requirements.

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