NLSX5012DR2G Voltage Level Translator - Equivalent & Substitute Parts

Part Overview

The NLSX5012DR2G is a bidirectional voltage level translator manufactured by onsemi, designed for logic-level signal conversion between different voltage domains. This device features 1 circuit with 2 channels per circuit, supporting data rates up to 100Mbps with auto-direction sensing and power-off protection capabilities. The part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	NLSX5012DR2G
Manufacturer	onsemi
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	2
Voltage - VCCA	0.9 V ~ 4.5 V
Voltage - VCCB	0.9 V ~ 4.5 V
Output Type	Tri-State, Non-Inverted
Data Rate	100Mbps
Operating Temperature	-55°C ~ 125°C (TA)
Features	Auto-Direction Sensing, Power-Off Protection
Package / Case	8-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the NLSX5012DR2G is determined by the following critical parameters:

Translator Type: Voltage Level (bidirectional capability required)
Channel Configuration: 1 circuit with 2 channels per circuit
Output Type: Tri-State, Non-Inverted logic
Voltage Compatibility: VCCA and VCCB operating ranges must accommodate the application's supply voltages
Data Rate: Minimum 100Mbps to maintain performance equivalence
Operating Temperature Range: Must support -55°C to 125°C or equivalent industrial range
Package Compatibility: 8-pin surface mount packages (SOIC, VSSOP, XSON, TSSOP, TDFN, µDFN, or XQFN)
Compliance: ROHS3 compliance and EAR99 classification maintained across all substitutes

Substitute parts are grouped by their ability to meet these core electrical and mechanical requirements within the constraints of their specified voltage ranges and data rate capabilities.

Parameter Comparison

Part Number	Manufacturer	Circuits	Channels/Circuit	VCCA Range	VCCB Range	Output Type	Data Rate	Temp Range	Package	Status
NLSX5012DR2G	onsemi	1	2	0.9V ~ 4.5V	0.9V ~ 4.5V	Tri-State, Non-Inverted	100Mbps	-55°C ~ 125°C	8-SOIC	Obsolete
74AVC2T45GT,115	Nexperia USA Inc.	1	2	0.8V ~ 3.6V	0.8V ~ 3.6V	Tri-State, Non-Inverted	500Mbps	-40°C ~ 125°C	8-XSON	Active
74LVCH2T45DC,125	Nexperia USA Inc.	1	2	1.2V ~ 5.5V	1.2V ~ 5.5V	Tri-State, Non-Inverted	420Mbps	-40°C ~ 125°C	8-VSSOP	Active
MAX3373EEKA+T	Analog Devices Inc./Maxim Integrated	1	2	1.2V ~ 5.5V	1.65V ~ 5.5V	Open Drain, Tri-State	16Mbps	-40°C ~ 85°C	SOT-23-8	Active
MAX3394EETA+T	Analog Devices Inc./Maxim Integrated	1	2	1.2V ~ 5.5V	1.65V ~ 5.5V	Open Drain, Push-Pull, Tri-State	6Mbps	-40°C ~ 85°C	8-TDFN	Active
MAX3397EELA+T	Analog Devices Inc./Maxim Integrated	1	2	1.2V ~ 5.5V	1.65V ~ 5.5V	Open Drain, Tri-State	16Mbps	-40°C ~ 85°C	8-µDFN	Active
NTB0102DP-Q100H	NXP USA Inc.	1	2	1.2V ~ 3.6V	1.65V ~ 5.5V	Tri-State, Non-Inverted	100Mbps	-40°C ~ 125°C	8-TSSOP	Active
NTSX2102GU8H	NXP USA Inc.	1	2	1.65V ~ 5.5V	1.65V ~ 5.5V	Open Drain, Tri-State	50Mbps	-40°C ~ 85°C	8-XQFN	Active
PCA9306GM,125	NXP USA Inc.	1	2	1V ~ 3.6V	1.8V ~ 5.5V	Open Drain	Not Specified	-40°C ~ 105°C	8-XQFNU	Active
PI6ULS5V9306UEX	Diodes Incorporated	1	2	1V ~ 3.3V	1.8V ~ 5.5V	Open Drain	Not Specified	-40°C ~ 85°C	8-SOIC	Active

Engineering Selection Recommendations

Primary Substitute - Direct Replacement: The 74LVCH2T45DC,125 from Nexperia USA Inc. provides the closest functional match to the NLSX5012DR2G. Both devices maintain tri-state, non-inverted output configuration with 1 circuit and 2 channels per circuit. The 74LVCH2T45DC,125 operates across -40°C to 125°C, matching the upper temperature limit of the original part. Voltage ranges (1.2V ~ 5.5V for both VCCA and VCCB) encompass the NLSX5012DR2G operating window. Data rate of 420Mbps exceeds the 100Mbps requirement. The device is active and ROHS3 compliant.

High-Performance Alternative: The 74AVC2T45GT,115 from Nexperia USA Inc. offers superior data rate performance at 500Mbps with tri-state, non-inverted output. Operating temperature range of -40°C to 125°C matches the original specification. Voltage ranges (0.8V ~ 3.6V) are narrower than the NLSX5012DR2G but suitable for standard logic applications. This part is active and ROHS3 compliant.

Automotive-Grade Option: The NTB0102DP-Q100H from NXP USA Inc. is qualified to AEC-Q100 automotive standards and maintains exact data rate equivalence at 100Mbps with tri-state, non-inverted output. Operating temperature range extends to -40°C to 125°C. Voltage asymmetry (VCCA: 1.2V ~ 3.6V; VCCB: 1.65V ~ 5.5V) accommodates mixed-voltage applications. This part is active and ROHS3 compliant.

Package-Specific Alternatives: For applications requiring the original 8-SOIC package footprint, the PI6ULS5V9306UEX from Diodes Incorporated maintains the same package form factor. This device features open-drain output and operates across -40°C to 85°C with voltage ranges of 1V ~ 3.3V (VCCA) and 1.8V ~ 5.5V (VCCB). The part is active and ROHS3 compliant.

All substitute parts maintain ROHS3 compliance and EAR99 classification consistent with the original NLSX5012DR2G.

Frequently Asked Questions (FAQ)

Q: Can the 74LVCH2T45DC,125 directly replace the NLSX5012DR2G in all applications? A: The 74LVCH2T45DC,125 is functionally compatible for applications operating within its voltage range (1.2V ~ 5.5V for both supplies). The NLSX5012DR2G supports lower voltage operation starting at 0.9V. If your application requires sub-1.2V operation, this substitute is not suitable. For standard 3.3V and 5V logic applications, direct substitution is valid.

Q: What is the difference between tri-state and open-drain output types in these translators? A: Tri-state outputs can actively drive both high and low logic levels. Open-drain outputs can only pull low; the high level is achieved through external pull-up resistors. The NLSX5012DR2G uses tri-state output. Substitutes with open-drain output (MAX3373, MAX3397, NTSX2102, PCA9306, PI6ULS5V9306) require external pull-up resistors and are suitable only for applications designed to accommodate this configuration.

Q: Why do some substitutes have different VCCA and VCCB voltage ranges? A: Asymmetric voltage ranges allow translation between different voltage domains. For example, NTB0102DP-Q100H supports VCCA at 1.2V ~ 3.6V and VCCB at 1.65V ~ 5.5V, enabling translation from 3.3V logic to 5V logic. The NLSX5012DR2G supports symmetric ranges (0.9V ~ 4.5V for both), making it suitable for single-domain or symmetric dual-domain applications.

Q: Is the 74AVC2T45GT,115 package change from 8-SOIC to 8-XSON significant? A: The 74AVC2T45GT,115 uses an 8-XSON package (1.95x1mm), which is smaller than the 8-SOIC package (3.90mm width) of the NLSX5012DR2G. PCB layout and footprint must be redesigned. However, the electrical functionality and pin configuration remain compatible. This substitution requires board-level design changes.

Q: Which substitute is best for low-voltage applications below 1V? A: None of the provided substitutes support operation below 1V. The NLSX5012DR2G's 0.9V minimum VCCA/VCCB specification is unique among these alternatives. If sub-1V operation is required, alternative sourcing or design modification is necessary.

Q: Are all substitutes RoHS3 compliant? A: Yes. All substitute parts listed maintain ROHS3 compliance and EAR99 classification, consistent with the original NLSX5012DR2G.

Q: What is the significance of auto-direction sensing in these translators? A: Auto-direction sensing automatically determines signal direction on bidirectional channels without requiring external control signals. The NLSX5012DR2G includes this feature. Among substitutes, 74AVC2T45GT,115, NTB0102DP-Q100H, NTSX2102GU8H, PCA9306GM,125, and PI6ULS5V9306UEX also include auto-direction sensing. MAX3373, MAX3394, and MAX3397 do not list this feature in the provided specifications.

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