PCA9306FMUTAG Equivalent & Substitute Parts

Part Overview

The PCA9306FMUTAG is a voltage level translator IC with bidirectional capability, designed to interface between 1V to 3.6V (VCCA) and 1.8V to 5.5V (VCCB) logic domains. This component features auto-direction sensing and open drain output configuration in an 8-UDFN surface mount package. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer	onsemi
Part Number	PCA9306FMUTAG
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	2
Voltage - VCCA	1 V ~ 3.6 V
Voltage - VCCB	1.8 V ~ 5.5 V
Output Type	Open Drain
Operating Temperature	-55°C ~ 125°C (TA)
Features	Auto-Direction Sensing
Package / Case	8-UFDFN
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the PCA9306FMUTAG is determined by the following critical parameters:

Core Functional Requirements:

Translator Type: Voltage Level
Channel Type: Bidirectional
Number of Circuits: 1
Channels per Circuit: 2
Voltage - VCCA: 1 V ~ 3.6 V (minimum requirement)
Voltage - VCCB: 1.8 V ~ 5.5 V (minimum requirement)
Features: Auto-Direction Sensing
Mounting Type: Surface Mount

Acceptable Variations:

Package / Case: Different surface mount packages acceptable if PCB layout permits
Output Type: Open Drain or Push-Pull acceptable (Push-Pull provides additional flexibility)
Operating Temperature: Extended range acceptable; minimum -40°C acceptable for non-military applications
Data Rate: Higher data rates acceptable for applications not requiring specific rate limitations

Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications with different packaging) and similar parts (compatible electrical specifications with package or feature variations).

Parameter Comparison

Parameter	PCA9306FMUTAG	PCA9306FMUTCG	LSF0102YZTR	MAX13047EEVB+T	MAX14595ETA+T	NVT2002DP,118	PCA9306GF,115	PCA9306IDCURQ1	TXS0102DCTT	TXS0102DCUT	TXS0102DQMR
Manufacturer	onsemi	onsemi	Texas Instruments	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	NXP Semiconductors	NXP USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Translator Type	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level
Channel Type	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional
Channels per Circuit	2	2	2	2	2	2	2	2	2	2	2
Voltage - VCCA	1 V ~ 3.6 V	1 V ~ 3.6 V	0 V ~ 5 V	1.1 V ~ 3.6 V	0.9 V ~ 5.5 V	1 V ~ 3.6 V	1 V ~ 3.6 V	1.2 V ~ 3.3 V	1.65 V ~ 3.6 V	1.65 V ~ 3.6 V	1.65 V ~ 3.6 V
Voltage - VCCB	1.8 V ~ 5.5 V	1.8 V ~ 5.5 V	0 V ~ 5 V	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	1.8 V ~ 5.5 V	1.8 V ~ 5.5 V	1.8 V ~ 5.5 V	2.3 V ~ 5.5 V	2.3 V ~ 5.5 V	2.3 V ~ 5.5 V
Output Type	Open Drain	Open Drain	Open Drain, Push-Pull	Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Features	Auto-Direction Sensing	Auto-Direction Sensing	Auto-Direction Sensing	Thermal-Shutdown Protection	Thermal-Shutdown Protection, Tri-State Input	Auto-Direction Sensing	Auto-Direction Sensing	Auto-Direction Sensing	Auto-Direction Sensing	Auto-Direction Sensing	Auto-Direction Sensing
Package / Case	8-UFDFN	8-UFDFN	8-UFBGA, DSBGA	10-UFQFN	8-WFDFN	8-TSSOP, 8-MSOP	8-XFDFN	8-VFSOP	8-LSSOP, 8-MSOP	8-VFSOP	8-XFDFN
Product Status	Obsolete	Obsolete	Active	Active	Active	Active	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Parametric Equivalent (Recommended for Direct Replacement):

PCA9306FMUTCG is the parametric equivalent with identical electrical specifications. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). This part maintains the same voltage ranges, channel configuration, and auto-direction sensing feature. Both parts share obsolete status, so long-term availability should be evaluated.

Active Substitute Parts (Recommended for New Designs):

For applications requiring active product status and ongoing manufacturer support, the following parts provide full functional compatibility:

TXS0102DQMR, TXS0102DCTT, TXS0102DCUT (Texas Instruments): These parts maintain auto-direction sensing and bidirectional 2-channel configuration with 24Mbps data rate capability. VCCA range is 1.65V to 3.6V (narrower than original but covers standard 3.3V logic). VCCB range is 2.3V to 5.5V. Output type includes both open drain and push-pull options.
NVT2002DP,118 (NXP Semiconductors): Maintains identical VCCA (1V to 3.6V) and VCCB (1.8V to 5.5V) ranges with auto-direction sensing. Available in 8-TSSOP package. Offers both open drain and push-pull output types.
PCA9306IDCURQ1 (Texas Instruments, AEC-Q100 Automotive Grade): Provides automotive qualification with VCCA range of 1.2V to 3.3V and VCCB range of 1.8V to 5.5V. Suitable for automotive applications requiring automotive-grade components.
MAX14595ETA+T (Analog Devices Inc./Maxim Integrated): Offers extended VCCA range (0.9V to 5.5V) and includes thermal-shutdown protection and tri-state input features. Operating temperature limited to -40°C to 85°C.
LSF0102YZTR (Texas Instruments): Provides widest voltage flexibility with VCCA and VCCB both rated 0V to 5V. Includes auto-direction sensing and both output types. Operating temperature extends to -40°C to 125°C.

Package Considerations:

Original 8-UDFN package is maintained by PCA9306FMUTCG and PCA9306IDCURQ1. Alternative packages (8-TSSOP, 8-VSSOP, 8-X2SON, 8-XFDFN) require PCB layout modification but offer equivalent electrical performance.

Frequently Asked Questions (FAQ)

Q: Can I use TXS0102DQMR as a direct replacement for PCA9306FMUTAG?

A: TXS0102DQMR is functionally compatible for most applications. Both are bidirectional voltage level translators with 2 channels and auto-direction sensing. The primary difference is VCCA minimum voltage: TXS0102DQMR requires 1.65V minimum versus 1V for the original. If your design operates VCCA below 1.65V, this part is not suitable. TXS0102DQMR is active product status, providing better long-term availability.

Q: What is the difference between PCA9306FMUTAG and PCA9306FMUTCG?

A: These parts are electrically identical. The difference is packaging format: PCA9306FMUTAG is supplied in Tape & Reel (TR) format, while PCA9306FMUTCG is supplied in Cut Tape (CT) & Digi-Reel® format. Both use the same 8-UDFN package. Selection depends on your procurement and assembly requirements.

Q: Why do some substitute parts have different operating temperature ranges?

A: Operating temperature range is a design specification that varies by manufacturer and product line. The original PCA9306FMUTAG operates -55°C to 125°C. Most active substitutes operate -40°C to 85°C, which covers standard industrial and commercial temperature ranges. If your application requires -55°C operation, verify the substitute part's minimum temperature specification.

Q: Can I use a part with Push-Pull output instead of Open Drain?

A: Push-Pull output is generally compatible with Open Drain applications. Push-Pull actively drives both high and low states, while Open Drain only pulls low (requiring external pull-up resistors). If your PCB design includes pull-up resistors for the original Open Drain configuration, Push-Pull output will work correctly. Verify your circuit design accommodates the different output behavior.

Q: What does "Auto-Direction Sensing" mean for substitution purposes?

A: Auto-Direction Sensing automatically detects the direction of data flow on bidirectional channels, eliminating the need for external direction control signals. All recommended substitutes include this feature, ensuring transparent replacement without circuit modifications.

Q: Is PCA9306IDCURQ1 suitable for automotive applications?

A: Yes. PCA9306IDCURQ1 carries AEC-Q100 automotive qualification and is graded for automotive use. If your application requires automotive-grade components, this part meets that requirement. Standard industrial-grade substitutes do not carry automotive qualification.

Q: How do voltage ranges affect part selection?

A: Voltage ranges define the valid operating conditions for each supply rail. Your design must operate within the specified ranges for both VCCA and VCCB. For example, if your design requires VCCA operation at 1.2V, parts with minimum VCCA of 1.65V (such as TXS0102 variants) are not suitable. Verify your actual operating voltages against each substitute part's specifications.

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