NLSX4014DR2G Voltage Level Translator - Equivalent & Substitute Parts

Part Overview

The NLSX4014DR2G is a bidirectional voltage level translator manufactured by onsemi, designed for logic signal conversion between different voltage domains. This device features 1 circuit with 4 channels, supporting data rates up to 140 Mbps with auto-direction sensing capability. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement planning.

Key Parameters

Parameter	Value
Manufacturer Part Number	NLSX4014DR2G
Manufacturer	onsemi
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	4
Voltage - VCCA	0.9 V ~ 4.1 V
Voltage - VCCB	1.3 V ~ 4.5 V
Output Type	Tri-State, Non-Inverted
Data Rate	140 Mbps
Operating Temperature	-40°C ~ 85°C (TA)
Features	Auto-Direction Sensing
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the NLSX4014DR2G is determined by the following core parameters:

Critical Matching Parameters:

Translator Type: Voltage Level (bidirectional)
Channel Configuration: 1 circuit with 4 channels
Output Type: Tri-State, Non-Inverted
Operating Temperature Range: -40°C ~ 85°C minimum
Voltage Supply Ranges: VCCA and VCCB compatibility with application requirements
Data Rate: Minimum 140 Mbps to maintain performance equivalence

Flexible Parameters (Package Variants):

Package type may vary (14-SOIC, 14-TSSOP, 20-LFCSP, 14-TDFN) based on PCB layout constraints
Packaging format (Tube, Tape & Reel, Cut Tape) does not affect electrical functionality
Moisture Sensitivity Level variations are acceptable if storage conditions are managed appropriately

Status Consideration: Active product status is preferred for long-term availability and supply chain stability, though obsolete parts may serve as interim solutions if inventory exists.

Parameter Comparison

Parameter	NLSX4014DR2G	ADG3304BRUZ-REEL7	ADG3304SRUZ-EP-RL7	ADG3304WBRUZ-REEL	MAX3023EUD+
Manufacturer	onsemi	Analog Devices	Analog Devices	Analog Devices	Analog Devices/Maxim
Translator Type	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level
Channel Type	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional
Channels per Circuit	4	4	4	4	4
Voltage - VCCA	0.9 V ~ 4.1 V	1.15 V ~ 5.5 V	1.15 V ~ 5.5 V	1.15 V ~ 5.5 V	1.2 V ~ 3.6 V
Voltage - VCCB	1.3 V ~ 4.5 V	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	1.65 V ~ 3.6 V
Output Type	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted
Data Rate	140 Mbps	50 Mbps	50 Mbps	50 Mbps	100 Mbps
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-55°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C
Features	Auto-Direction Sensing	Auto-Direction Sensing	None Listed	Auto-Direction Sensing	Power Supply Decoupling
Package / Case	14-SOIC	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

ADG3304BRUZ-REEL7 and ADG3304WBRUZ-REEL are the most direct functional equivalents. Both maintain the 4-channel bidirectional configuration with tri-state non-inverted output and auto-direction sensing. The ADG3304WBRUZ-REEL variant includes automotive-grade qualification (Series ADI0012), suitable for applications requiring extended reliability. Both are active products with unlimited moisture sensitivity, ensuring long-term procurement viability.

Secondary Substitutes (Performance Trade-offs):

MAX3023EUD+ operates at 100 Mbps, which exceeds the NLSX4014DR2G's 140 Mbps specification but remains suitable for applications not requiring maximum data rate performance. This part includes power supply decoupling features and maintains the 4-channel bidirectional configuration. The voltage range (VCCA 1.2 V ~ 3.6 V) is narrower than the original, requiring verification against application supply specifications.

Extended Temperature Range Option:

ADG3304SRUZ-EP-RL7 extends the operating temperature range to -55°C ~ 125°C, accommodating industrial and harsh environment applications. Data rate remains at 50 Mbps. This variant is suitable only when extended temperature performance is a design requirement.

Compliance Verification:

All substitute parts maintain ROHS3 compliance and EAR99 export classification consistent with the original part. MSL ratings of 1 (Unlimited) across all candidates eliminate moisture-related handling constraints.

Frequently Asked Questions (FAQ)

Q: Can ADG3304 series parts directly replace NLSX4014DR2G in existing designs?

A: ADG3304 variants provide functional equivalence for the core 4-channel bidirectional voltage translation function. Package differences (14-TSSOP vs. 14-SOIC) require PCB layout modification. Voltage supply ranges differ; verify that application supply voltages fall within the substitute part's VCCA and VCCB specifications before implementation.

Q: What is the impact of reduced data rate in ADG3304 substitutes?

A: ADG3304 series operates at 50 Mbps versus NLSX4014DR2G's 140 Mbps. This substitution is valid only for applications where signal bandwidth requirements do not exceed 50 Mbps. For high-speed applications, MAX3023EUD+ at 100 Mbps provides closer performance alignment, though still below the original specification.

Q: Are package differences between 14-SOIC and 14-TSSOP significant?

A: Both packages are 14-pin surface mount configurations with different physical footprints. 14-SOIC measures 0.154" width; 14-TSSOP measures 0.173" width. PCB layout and routing must be adapted to the selected package. Pin-to-pin functionality remains equivalent across package variants of the same base part number.

Q: Which substitute is recommended for automotive applications?

A: ADG3304WBRUZ-REEL carries automotive-grade qualification (Series ADI0012) and is the appropriate selection for automotive or extended reliability requirements. This variant maintains all functional equivalence parameters while meeting automotive qualification standards.

Q: How do voltage supply ranges affect substitution decisions?

A: The NLSX4014DR2G supports VCCA 0.9 V ~ 4.1 V and VCCB 1.3 V ~ 4.5 V. ADG3304 variants support broader ranges (VCCA 1.15 V ~ 5.5 V, VCCB 1.65 V ~ 5.5 V), providing greater design flexibility. MAX3023EUD+ operates within narrower ranges (VCCA 1.2 V ~ 3.6 V, VCCB 1.65 V ~ 3.6 V). Confirm application supply voltages fall within the selected substitute's operating range.

Q: Is MSL rating important for this component category?

A: All candidates maintain MSL 1 (Unlimited), eliminating moisture sensitivity as a selection factor. Standard handling and storage procedures are sufficient without special moisture control measures.

Q: What is the significance of auto-direction sensing in substitute selection?

A: Auto-direction sensing enables automatic detection of signal direction on bidirectional channels, reducing design complexity. NLSX4014DR2G, ADG3304BRUZ-REEL7, ADG3304WBRUZ-REEL, and MAX3395 variants include this feature. ADG3304SRUZ-EP-RL7 does not list this feature; applications requiring automatic direction detection should prioritize candidates with this capability.

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