NLSX5014DR2G Voltage Level Translator - Equivalent & Substitute Parts

Part Overview

The NLSX5014DR2G is a bidirectional voltage level translator manufactured by onsemi, designed for logic signal translation between different voltage domains. This 14-SOIC surface mount device supports 4 channels with auto-direction sensing and operates across supply voltages from 0.9 V to 4.5 V on both sides. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	NLSX5014DR2G
Manufacturer	onsemi
Product Status	Obsolete
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	4
Voltage - VCCA	0.9 V ~ 4.5 V
Voltage - VCCB	0.9 V ~ 4.5 V
Output Type	Tri-State, Non-Inverted
Data Rate	100 Mbps
Operating Temperature	-55°C ~ 125°C (TA)
Features	Auto-Direction Sensing, Power-Off Protection
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the NLSX5014DR2G is determined by the following critical parameters:

Core Functional Requirements:

Bidirectional voltage level translation capability
4 channels per circuit
Tri-state, non-inverted output configuration
Auto-direction sensing functionality

Electrical Compatibility Criteria:

Supply voltage ranges (VCCA and VCCB) must accommodate or exceed the original 0.9 V ~ 4.5 V specification
Data rate of 100 Mbps or higher
Operating temperature range of -40°C to 125°C minimum

Physical & Compliance Requirements:

Surface mount packaging (14-SOIC preferred for direct replacement; alternative packages acceptable if circuit board layout permits)
ROHS3 compliance
MSL rating of 1 or 3 (168 Hours)

Substitute parts are categorized as follows:

Direct Manufacturer Substitutes (onsemi): Parts maintaining identical functionality and packaging within the onsemi product line.

Direct Functional Equivalents (Texas Instruments): Active production parts with matching channel count, output type, and data rate specifications, though with different voltage range specifications.

Similar Functional Alternatives: Parts with equivalent channel count and bidirectional capability but differing in package type, data rate, or voltage specifications. These require design verification for specific application requirements.

Parameter Comparison

Parameter	NLSX5014DR2G	NL3X5004DR2G	TXB0104D	TXB0104DR	74AVC4TD245BQ,115	ADG3304BCPZ-REEL	ADG3304SRUZ-EP-RL7	ADG3304WBRUZ-REEL	MAX14611ETD+T	MAX3377EEUD+	MAX3378EEBC+T
Manufacturer	onsemi	onsemi	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc./Maxim	Analog Devices Inc./Maxim	Analog Devices Inc./Maxim
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
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	4	4	4	4	4	4	4	4	4	4	4
Voltage - VCCA	0.9 V ~ 4.5 V	—	1.2 V ~ 3.6 V	1.2 V ~ 3.6 V	0.8 V ~ 3.6 V	1.15 V ~ 5.5 V	1.15 V ~ 5.5 V	1.15 V ~ 5.5 V	0.9 V ~ 5.5 V	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V
Voltage - VCCB	0.9 V ~ 4.5 V	—	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	0.8 V ~ 3.6 V	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V
Output Type	Tri-State, Non-Inverted	—	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Tri-State, Non-Inverted	Open Drain, Push-Pull, Tri-State	Open Drain, Tri-State	Open Drain, Tri-State
Data Rate	100 Mbps	—	100 Mbps	100 Mbps	380 Mbps	50 Mbps	50 Mbps	50 Mbps	20 Mbps	16 Mbps	16 Mbps
Operating Temperature	-55°C ~ 125°C	—	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 85°C	-55°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	16-VFQFN Exposed Pad	20-WFQFN Exposed Pad, CSP	14-TSSOP	14-TSSOP	14-WFDFN Exposed Pad	14-TSSOP	12-WFBGA, CSPBGA
RoHS Status	ROHS3 Compliant	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	—	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Preferred Direct Replacements:

TXB0104D and TXB0104DR (Texas Instruments) are the primary active production equivalents. Both maintain 14-SOIC packaging, 4-channel bidirectional configuration, 100 Mbps data rate, and tri-state non-inverted output. The TXB0104DR variant offers superior inventory availability (33,200 units) with Cut Tape and Digi-Reel packaging. Voltage specifications differ slightly (VCCA: 1.2 V ~ 3.6 V; VCCB: 1.65 V ~ 5.5 V), requiring verification that application supply voltages fall within these ranges. Operating temperature range is -40°C to 85°C, which is narrower than the original -55°C to 125°C specification.

Secondary Alternatives:

ADG3304SRUZ-EP-RL7 (Analog Devices) in 14-TSSOP packaging provides identical operating temperature range (-55°C ~ 125°C) and MSL rating (1, Unlimited). Data rate is reduced to 50 Mbps, suitable for applications not requiring 100 Mbps performance. Voltage specifications (VCCA: 1.15 V ~ 5.5 V; VCCB: 1.65 V ~ 5.5 V) provide broader compatibility than TXB0104 variants.

74AVC4TD245BQ,115 (Nexperia) offers the highest data rate (380 Mbps) in 16-VFQFN packaging with extended temperature range (-40°C ~ 125°C). This part requires PCB layout modification due to different package footprint.

Compliance & Availability:

All substitute parts maintain ROHS3 compliance and REACH unaffected status. Inventory levels vary significantly, with TXB0104DR offering the highest stock (33,200 units). NL3X5004DR2G (onsemi) provides a direct onsemi alternative in active production status with 14-SOIC packaging, though detailed electrical specifications are not provided in this reference.

Frequently Asked Questions (FAQ)

Q: Can TXB0104D or TXB0104DR directly replace NLSX5014DR2G without circuit modification?

A: Both parts maintain identical 14-SOIC packaging, 4-channel bidirectional configuration, and 100 Mbps data rate. However, verify that your application supply voltages (VCCA and VCCB) fall within the TXB0104 range of 1.2 V ~ 3.6 V and 1.65 V ~ 5.5 V respectively. The NLSX5014DR2G supports lower VCCA voltages (0.9 V minimum). Operating temperature range is also narrower (-40°C to 85°C versus -55°C to 125°C).

Q: What is the difference between TXB0104D and TXB0104DR?

A: Both are functionally identical Texas Instruments parts with the same electrical specifications. The primary difference is packaging format: TXB0104D is supplied in Tube, while TXB0104DR is supplied in Cut Tape and Digi-Reel format. TXB0104DR has significantly higher inventory availability (33,200 units versus 1,350 units).

Q: Why do some substitute parts have different package types?

A: The NLSX5014DR2G uses 14-SOIC packaging. Direct 14-SOIC equivalents (TXB0104D, TXB0104DR, NL3X5004DR2G) are preferred for drop-in replacement. Alternative packages such as 14-TSSOP (ADG3304 variants), 16-VFQFN (74AVC4TD245BQ,115), and 12-UCSP (MAX3378EEBC+T) require PCB layout redesign but may offer performance or thermal advantages for specific applications.

Q: Are there voltage range limitations I should consider?

A: Yes. The original NLSX5014DR2G supports VCCA from 0.9 V to 4.5 V. Most active substitutes have higher minimum voltage requirements. TXB0104 variants require minimum 1.2 V on VCCA. ADG3304 and MAX3378 variants support lower voltages (1.15 V and 1.2 V respectively). If your application requires sub-1.2 V operation on VCCA, verify compatibility before selection.

Q: What is the significance of the MSL (Moisture Sensitivity Level) rating?

A: MSL 1 (Unlimited) indicates the part can be stored indefinitely without moisture bake-out requirements. MSL 3 (168 Hours) requires moisture bake-out if the part has been exposed to ambient humidity for more than 168 hours. Most substitutes carry MSL 1 rating, except ADG3304BCPZ-REEL which carries MSL 3. This affects handling and storage procedures.

Q: Can I use 74AVC4TD245BQ,115 as a substitute despite the different package?

A: 74AVC4TD245BQ,115 is functionally compatible with 4 bidirectional channels and tri-state output. However, it uses 16-VFQFN packaging instead of 14-SOIC, requiring complete PCB footprint redesign. The part offers superior data rate (380 Mbps) and extended temperature range (-40°C ~ 125°C). Use this option only if PCB layout modification is feasible and the higher performance is beneficial.

Q: What data rate should I select for my application?

A: The original NLSX5014DR2G operates at 100 Mbps. TXB0104 variants maintain this specification. If your application requires lower bandwidth, ADG3304 (50 Mbps) or MAX3377/MAX3378 (16 Mbps) variants are acceptable. 74AVC4TD245BQ,115 (380 Mbps) provides headroom for high-speed applications. Select based on actual signal frequency requirements, not maximum rated capability.

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