CD4069UBCMX Equivalent & Substitute Parts

Part Overview

The CD4069UBCMX is a 6-channel inverter logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This part operates across a supply voltage range of 3V to 15V and is designed for general-purpose digital logic inversion applications. The CD4069UBCMX is currently listed as obsolete, making identification of functionally equivalent substitute parts essential for ongoing design support and production continuity.

Key Parameters

Parameter	CD4069UBCMX
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	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 @ V, Max CL	50ns @ 15V, 50pF
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the CD4069UBCMX are qualified based on the following criteria:

Core Functional Requirements:

Logic Type: Inverter
Number of Circuits: 6
Number of Inputs: 1
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Electrical Compatibility Parameters:

Voltage - Supply: Must support minimum 3V to 15V range
Current - Quiescent (Max): 1 µA or lower
Current - Output High, Low: 3.4mA or higher
Max Propagation Delay @ 15V, 50pF: 50ns or faster
Operating Temperature: Must include -55°C to 125°C range

Parts meeting these criteria are considered direct functional equivalents. Parts with extended voltage ranges (up to 18V or 20V) or improved performance characteristics (faster propagation delay, lower quiescent current) are compatible substitutes that provide equal or superior performance within the CD4069UBCMX operating envelope.

Parameter Comparison

Part Number	Manufacturer	Voltage - Supply	Current - Quiescent (Max)	Current - Output High, Low	Max Propagation Delay @ 15V, 50pF	Operating Temperature	Product Status	Package / Case
CD4069UBCMX	onsemi	3V ~ 15V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	Obsolete	14-SOIC (0.154", 3.90mm)
MC14069UBDG	onsemi	3V ~ 18V	1 µA	8.8mA, 8.8mA	55ns	-55°C ~ 125°C	Active	14-SOIC (0.154", 3.90mm)
MC14069UBDR2G	onsemi	3V ~ 18V	1 µA	8.8mA, 8.8mA	55ns	-55°C ~ 125°C	Active	14-SOIC (0.154", 3.90mm)
CD4069UBM96	Texas Instruments	3V ~ 18V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	Active	14-SOIC (0.154", 3.90mm)
CD4069UBM	Texas Instruments	3V ~ 18V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	Active	14-SOIC (0.154", 3.90mm)
CD4069UBMT	Texas Instruments	3V ~ 18V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	Discontinued at DiGi Electronics	14-SOIC (0.154", 3.90mm)
CD4069UBNSR	Texas Instruments	3V ~ 18V	1 µA	3.4mA, 3.4mA	50ns	-55°C ~ 125°C	Active	14-SOIC (0.209", 5.30mm)
HCF4069YUM013TR	STMicroelectronics	3V ~ 20V	5 µA	6.8mA, 6.8mA	50ns	-40°C ~ 125°C	Active	14-SOIC (0.154", 3.90mm)
HEC4069UBT,112	NXP USA Inc.	3V ~ 15V	1 µA	3.4mA, 3.4mA	25ns	-40°C ~ 125°C	Active	14-SOIC (0.154", 3.90mm)
HEC4069UBT,118	NXP USA Inc.	3V ~ 15V	1 µA	3.4mA, 3.4mA	25ns	-40°C ~ 125°C	Active	14-SOIC (0.154", 3.90mm)
HEF4069UBT,652	NXP USA Inc.	3V ~ 15V	1 µA	3.4mA, 3.4mA	30ns	-40°C ~ 125°C	Active	14-SOIC (0.154", 3.90mm)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

CD4069UBM96 and CD4069UBM (Texas Instruments) are the preferred substitutes. Both maintain identical electrical characteristics to the CD4069UBCMX (3.4mA output current, 50ns propagation delay) while extending the supply voltage range to 3V ~ 18V. Both parts are active products with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). CD4069UBM96 offers superior availability with 105,300 units in stock.

Secondary Substitutes (Extended Voltage Range):

MC14069UBDG and MC14069UBDR2G (onsemi) provide extended supply voltage support (3V ~ 18V) with increased output drive capability (8.8mA). These parts remain functionally compatible within the CD4069UBCMX operating envelope. MC14069UBDR2G is preferred for new designs due to higher inventory availability (142,600 units).

Performance-Enhanced Substitutes:

HEC4069UBT,112 and HEC4069UBT,118 (NXP USA Inc.) offer faster propagation delay (25ns versus 50ns) while maintaining the original 3V ~ 15V supply voltage range. These parts are suitable for applications requiring improved timing performance. Operating temperature range is limited to -40°C ~ 125°C.

HEF4069UBT,652 (NXP USA Inc.) provides intermediate propagation delay (30ns) with 3V ~ 15V supply voltage support and -40°C ~ 125°C operating temperature.

Extended Operating Range:

HCF4069YUM013TR (STMicroelectronics) supports the widest supply voltage range (3V ~ 20V) and includes AEC-Q100 automotive qualification. This part is suitable for automotive and extended-range applications. Quiescent current is elevated to 5 µA, and operating temperature is limited to -40°C ~ 125°C.

Avoid:

CD4069UBMT (Texas Instruments) is discontinued at DiGi Electronics and should not be selected for new designs despite technical compatibility.

CD4069UBNSR differs in package width (0.209" versus 0.154") and is suitable only if PCB layout accommodates the wider 14-SOIC variant.

Frequently Asked Questions (FAQ)

Q: Can I use MC14069UBDR2G as a direct replacement for CD4069UBCMX?

A: Yes. MC14069UBDR2G is functionally compatible. It maintains the same 6-channel inverter configuration, 14-SOIC package footprint, and operating temperature range (-55°C ~ 125°C). The extended supply voltage range (3V ~ 18V) and increased output drive (8.8mA) provide equal or superior performance within the CD4069UBCMX operating envelope (3V ~ 15V).

Q: What is the difference between CD4069UBM and CD4069UBM96?

A: Both parts are manufactured by Texas Instruments with identical electrical specifications. CD4069UBM96 is supplied in Cut Tape (CT) & Digi-Reel packaging with significantly higher inventory (105,300 units). CD4069UBM is supplied in Tube packaging with lower inventory (1,330 units). Select CD4069UBM96 for production applications requiring standard tape-and-reel delivery.

Q: Why do HEC4069UBT,112 and HEF4069UBT,652 have different propagation delays?

A: Both parts are 6-channel inverters in 14-SOIC packaging from NXP USA Inc., but they represent different product lines with different performance characteristics. HEC4069UBT,112 achieves 25ns propagation delay, while HEF4069UBT,652 achieves 30ns. Both are faster than the CD4069UBCMX (50ns). Select based on timing requirements and operating temperature constraints (-40°C ~ 125°C for both).

Q: Is HCF4069YUM013TR suitable for my application if I need -55°C operation?

A: No. HCF4069YUM013TR operates only to -40°C minimum, which does not meet the CD4069UBCMX specification of -55°C ~ 125°C. Use this part only for applications with -40°C ~ 125°C requirements. For full -55°C ~ 125°C range, select CD4069UBM96, CD4069UBM, MC14069UBDG, or MC14069UBDR2G.

Q: Can I use CD4069UBNSR if my PCB is designed for standard 14-SOIC?

A: No. CD4069UBNSR uses a wider 14-SOIC package (0.209" width versus 0.154" standard width). This part is not pin-compatible with standard 14-SOIC footprints and requires PCB redesign. Use only if your PCB layout specifically accommodates the wider package variant.

Q: Which substitute offers the best long-term availability?

A: MC14069UBDR2G (onsemi) offers the highest inventory level at 142,600 units in stock and is an active product. CD4069UBM96 (Texas Instruments) is also highly available with 105,300 units. Both are suitable for long-term production programs.

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