NTS0102TLH Equivalent & Substitute Parts

Part Overview

The NTS0102TLH is a voltage level translator IC manufactured by NXP USA Inc., designed for bidirectional signal translation between different voltage domains. This device operates as a single circuit with two channels, supporting data rates up to 50 Mbps across voltage supplies ranging from 1.65 V to 3.6 V on the VCCA side and 2.3 V to 5.5 V on the VCCB side. The part is housed in an 8-XSON (2x3) surface mount package with an exposed pad and is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for specific board layouts, or when design modifications necessitate different electrical characteristics or performance specifications within the voltage level translator category.

Key Parameters

Parameter	Value
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	2
Voltage - VCCA	1.65 V ~ 3.6 V
Voltage - VCCB	2.3 V ~ 5.5 V
Data Rate	50 Mbps
Output Type	Open Drain, Push-Pull, Tri-State
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	8-XFDFN Exposed Pad
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the NTS0102TLH is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Translator Type: Voltage Level (bidirectional operation required)
Channel Configuration: 1 Circuit with 2 Channels
Voltage Supply Ranges: VCCA and VCCB must accommodate the application requirements
Data Rate: Minimum 50 Mbps to maintain performance equivalence
Output Type: Must support at least one of the output configurations (Open Drain, Push-Pull, or Tri-State)
Operating Temperature Range: Must support -40°C to 125°C or equivalent industrial range
Surface Mount Packaging: All substitutes must be surface mount technology

Secondary Considerations:

Package form factor compatibility with PCB layout constraints
RoHS and REACH compliance status
Moisture sensitivity level and handling requirements
Product status (Active preferred; Obsolete parts acceptable only when no Active alternatives exist)

Substitutes are grouped into two categories: Parametric Equivalents (identical electrical specifications with potential packaging variations) and Similar Parts (functionally equivalent with minor electrical or performance differences).

Parameter Comparison

Part Number	Manufacturer	VCCA Range	VCCB Range	Data Rate	Output Type	Operating Temp	Package	Product Status
NTS0102TLH	NXP USA Inc.	1.65 V ~ 3.6 V	2.3 V ~ 5.5 V	50 Mbps	Open Drain, Push-Pull, Tri-State	-40°C ~ 125°C	8-XFDFN Exposed Pad	Active
NTS0102TL-Q100H	NXP USA Inc.	1.65 V ~ 3.6 V	2.3 V ~ 5.5 V	50 Mbps	Open Drain, Push-Pull, Tri-State	-40°C ~ 125°C	8-XFDFN Exposed Pad	Active
FXMAR2102L8X	onsemi	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	50 MHz	Open Drain, Tri-State	-40°C ~ 85°C	8-UFQFN	Active
FXMAR2102UMX	Fairchild Semiconductor	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	50 MHz	Open Drain, Tri-State	-40°C ~ 85°C	8-UFQFN	Active
MAX3373EEBL+T	Analog Devices Inc./Maxim Integrated	1.2 V ~ 5.5 V	1.65 V ~ 5.5 V	16 Mbps	Open Drain, Tri-State	-40°C ~ 85°C	9-WFBGA, WLBGA	Active
MAX3394EEBL+T	Analog Devices Inc./Maxim Integrated	1.2 V ~ 5.5 V	1.65 V ~ 5.5 V	6 Mbps	Open Drain, Push-Pull, Tri-State	-40°C ~ 85°C	8-WFBGA, CSPBGA	Active
NLSX3373MUTAG	onsemi	1.2 V ~ 4.1 V	1.65 V ~ 4.5 V	8 Mbps	Open Drain	-40°C ~ 85°C	8-UFDFN	Obsolete
NLSX4302EBMUTCG	onsemi	1.5 V ~ 5.5 V	1.5 V ~ 5.5 V	20 Mbps	Push-Pull	-40°C ~ 85°C	8-UFQFN	Obsolete
NLSX4373DR2G	onsemi	1.5 V ~ 5.5 V	1.5 V ~ 5.5 V	20 Mbps	Open Drain, Tri-State	-40°C ~ 85°C	8-SOIC	Obsolete
NLSX4373MUTAG	onsemi	1.5 V ~ 5.5 V	1.5 V ~ 5.5 V	20 Mbps	Open Drain, Tri-State	-40°C ~ 85°C	8-UFDFN	Obsolete
NLVSX4373DR2G	onsemi	1.5 V ~ 5.5 V	1.5 V ~ 5.5 V	20 Mbps	Open Drain	-40°C ~ 85°C	8-SOIC	Obsolete

Engineering Selection Recommendations

Parametric Equivalent (Recommended Primary Substitute):

The NTS0102TL-Q100H is the direct parametric equivalent to the NTS0102TLH. Both parts are manufactured by NXP USA Inc. and share identical electrical specifications, including voltage ranges (VCCA: 1.65 V ~ 3.6 V; VCCB: 2.3 V ~ 5.5 V), data rate (50 Mbps), output types, operating temperature range (-40°C ~ 125°C), and package format (8-XFDFN Exposed Pad). Both parts maintain Active product status and ROHS3 compliance. This part is suitable for direct replacement without design modification.

Active Substitute Parts (Functional Equivalents):

The FXMAR2102L8X and FXMAR2102UMX are Active products from onsemi and Fairchild Semiconductor respectively. Both support wider voltage ranges (1.65 V ~ 5.5 V on both VCCA and VCCB), matching the 50 Mbps data rate requirement. However, these parts operate at a reduced maximum temperature of -40°C ~ 85°C and are packaged in 8-UFQFN format rather than 8-XFDFN. Selection of these parts requires verification that the reduced operating temperature range and alternative package footprint are compatible with the application.

The MAX3373EEBL+T and MAX3394EEBL+T from Analog Devices Inc./Maxim Integrated support extended lower voltage limits (VCCA: 1.2 V) and include additional features such as power supply decoupling and thermal-shutdown protection. However, these parts operate at reduced data rates (16 Mbps and 6 Mbps respectively) and maximum temperatures of -40°C ~ 85°C. These parts are suitable only for applications where the lower data rate performance is acceptable.

Obsolete Substitute Parts (Not Recommended for New Designs):

The NLSX3373MUTAG, NLSX4302EBMUTCG, NLSX4373DR2G, NLSX4373MUTAG, and NLVSX4373DR2G are all marked as Obsolete. While these parts may be available in inventory, they are not recommended for new designs. The NLVSX4373DR2G includes automotive-grade qualification (AEC-Q100) and over-voltage protection features, making it suitable only for automotive applications where legacy part compatibility is required.

Frequently Asked Questions (FAQ)

Q: Can the NTS0102TL-Q100H be used as a direct replacement for the NTS0102TLH?

A: Yes. The NTS0102TL-Q100H is a parametric equivalent with identical electrical specifications, voltage ranges, data rate, output types, operating temperature range, and package format. Direct substitution is possible without design modification.

Q: What is the primary difference between the NTS0102TLH and the FXMAR2102L8X?

A: The FXMAR2102L8X supports wider voltage ranges on both VCCA and VCCB (1.65 V ~ 5.5 V each) compared to the NTS0102TLH (VCCA: 1.65 V ~ 3.6 V; VCCB: 2.3 V ~ 5.5 V). However, the FXMAR2102L8X operates at a reduced maximum temperature of -40°C ~ 85°C and uses a different package format (8-UFQFN versus 8-XFDFN). The data rate remains equivalent at 50 Mbps.

Q: Why do the MAX3373EEBL+T and MAX3394EEBL+T have lower data rates than the NTS0102TLH?

A: The MAX3373EEBL+T operates at 16 Mbps and the MAX3394EEBL+T at 6 Mbps, both lower than the NTS0102TLH's 50 Mbps specification. These parts are designed for lower-speed applications and include additional protection features such as thermal-shutdown protection. Selection of these parts is appropriate only when application data rates do not exceed their specified maximums.

Q: Are obsolete parts suitable for new product designs?

A: Obsolete parts such as NLSX3373MUTAG, NLSX4302EBMUTCG, NLSX4373DR2G, NLSX4373MUTAG, and NLVSX4373DR2G are not recommended for new designs. These parts are no longer in active production and may have limited availability. The exception is the NLVSX4373DR2G, which includes automotive-grade qualification and may be used in legacy automotive applications where part compatibility is required.

Q: What does the operating temperature range difference mean for my application?

A: The NTS0102TLH operates from -40°C to 125°C, while many substitute parts operate only to -40°C to 85°C. If your application requires operation above 85°C, only the NTS0102TLH or NTS0102TL-Q100H are suitable. For applications with maximum operating temperatures at or below 85°C, substitute parts with the reduced temperature range are acceptable.

Q: How do package differences affect substitution?

A: The NTS0102TLH uses an 8-XFDFN Exposed Pad package, while alternatives such as FXMAR2102L8X use 8-UFQFN, and MAX3373EEBL+T uses 9-WFBGA. Different packages have different footprints, pin configurations, and thermal characteristics. Package substitution requires PCB layout modification and is not a direct replacement. Verify package compatibility with your board design before selecting an alternative.

Q: What is the significance of RoHS3 compliance and REACH status?

A: All listed parts maintain ROHS3 compliance and REACH Unaffected status, indicating compliance with European environmental and hazardous substance regulations. This compliance is consistent across all substitute options and does not differentiate substitution suitability.

Q: Why is the moisture sensitivity level (MSL) rating important?

A: All listed parts carry an MSL rating of 1 (Unlimited), indicating they can be stored indefinitely without moisture absorption concerns. This uniform rating across all parts means MSL does not affect substitution decisions.

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