NTB0101GS1Z Equivalent & Substitute Parts

Part Overview

The NTB0101GS1Z is a bidirectional voltage level translator manufactured by NXP USA Inc., designed for single-channel signal translation between different voltage domains. This component operates with VCCA ranging from 1.2 V to 3.6 V and VCCB from 1.65 V to 5.5 V, supporting data rates up to 100 Mbps. The part is packaged in a 6-X2SON (1x1) surface mount configuration and features tri-state, non-inverted output logic.

The NTB0101GS1Z is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this voltage level translator.

Key Parameters

Parameter	Value
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	1
Voltage - VCCA	1.2 V ~ 3.6 V
Voltage - VCCB	1.65 V ~ 5.5 V
Output Type	Tri-State, Non-Inverted
Data Rate	100 Mbps
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	6-XFDFN
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the NTB0101GS1Z is determined by the following critical parameters: bidirectional channel configuration, single circuit with one channel per circuit, voltage translation capability between the specified VCCA and VCCB ranges, tri-state non-inverted output logic, and surface mount packaging in 6-pin configurations.

Substitute parts are grouped into three categories based on their relationship to the main part:

Parametric Equivalents maintain identical electrical specifications and base product lineage (NTB0101 series) while offering alternative package variants or enhanced features such as auto-direction sensing. These parts are direct functional replacements within the same product family.

Direct Equivalents provide the same core functionality with different voltage operating ranges or data rate capabilities. These parts belong to alternative product families (74AVC, 74LVC, 74LVCH series) and are suitable when the application voltage requirements and performance specifications align.

Manufacturer Recommended Alternatives are active production parts qualified for automotive applications (AEC-Q100) or offering enhanced performance characteristics. These parts provide long-term supply assurance and are recommended for new designs or production transitions.

Parameter Comparison

Part Number	Manufacturer	Product Status	VCCA Range	VCCB Range	Data Rate	Package	Supplier Device Package	RoHS Status
NTB0101GS1Z	NXP USA Inc.	Obsolete	1.2 V ~ 3.6 V	1.65 V ~ 5.5 V	100 Mbps	6-XFDFN	6-X2SON (1x1)	ROHS3 Compliant
NTB0101GM,115	NXP USA Inc.	Obsolete	1.2 V ~ 3.6 V	1.65 V ~ 5.5 V	100 Mbps	6-XFDFN	6-XSON, SOT886 (1.45x1)	ROHS3 Compliant
NTB0101GS,132	NXP USA Inc.	Obsolete	1.2 V ~ 3.6 V	1.65 V ~ 5.5 V	100 Mbps	6-XFDFN	6-XSON, SOT1202 (1x1)	ROHS3 Compliant
74AVC1T45GN,132	NXP USA Inc.	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	6-XFDFN	6-XSON (0.9x1)	Not specified
74LVC1T45FW4-7	Diodes Incorporated	Active	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	Not specified	6-XFDFN	X2-DFN1010-6	ROHS3 Compliant
74LVCH1T45GN,132	NXP USA Inc.	Active	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	6-XFDFN	6-XSON (0.9x1)	Not specified
74AVC1T45GM-Q100H	Nexperia USA Inc.	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	6-XFDFN	6-XSON, SOT1202 (1x1)	ROHS3 Compliant
74AVC1T45GW-Q100H	Nexperia USA Inc.	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	6-TSSOP, SC-88, SOT-363	6-TSSOP	ROHS3 Compliant
74AVCH1T45GW-Q100H	Nexperia USA Inc.	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	6-TSSOP, SC-88, SOT-363	6-TSSOP	ROHS3 Compliant

Engineering Selection Recommendations

For applications requiring direct replacement with minimal design changes, the parametric equivalents NTB0101GM,115 and NTB0101GS,132 maintain identical electrical specifications and are suitable for existing inventory management. Both parts remain obsolete but offer the same voltage translation characteristics as the NTB0101GS1Z.

For new designs or production transitions requiring active production status, the 74AVC1T45GM-Q100H and 74AVC1T45GW-Q100H are manufacturer-recommended alternatives. These parts are actively produced, ROHS3 compliant, and qualified to AEC-Q100 automotive standards. The 74AVC1T45GM-Q100H maintains the 6-XSON package footprint, while the 74AVC1T45GW-Q100H uses a 6-TSSOP package suitable for applications where package size flexibility is acceptable.

The 74LVCH1T45GN,132 provides an active production alternative with extended voltage range capability (1.2 V ~ 5.5 V on both VCCA and VCCB) and higher data rate performance (420 Mbps), suitable for applications requiring broader voltage compatibility.

The 74LVC1T45FW4-7 from Diodes Incorporated offers active production status with ROHS3 compliance and symmetric voltage operation (1.65 V ~ 5.5 V), providing supply diversity from an alternative manufacturer.

Frequently Asked Questions (FAQ)

Q: Can the NTB0101GS1Z be directly replaced with the 74AVC1T45GM-Q100H?

A: Yes, with design verification. Both parts provide bidirectional single-channel voltage translation in 6-pin surface mount packages. The 74AVC1T45GM-Q100H offers superior performance (500 Mbps versus 100 Mbps) and is actively produced with automotive qualification. However, the voltage operating ranges differ: the NTB0101GS1Z supports asymmetric voltage translation (VCCA 1.2-3.6 V, VCCB 1.65-5.5 V), while the 74AVC1T45GM-Q100H operates symmetrically (0.8-3.6 V on both channels). Verify that your application voltage requirements fall within the 74AVC1T45GM-Q100H specifications.

Q: What is the difference between the NTB0101GM,115 and NTB0101GS,132?

A: Both are parametric equivalents of the NTB0101GS1Z with identical electrical specifications. The primary difference is the supplier device package: NTB0101GM,115 uses 6-XSON SOT886 (1.45x1) while NTB0101GS,132 uses 6-XSON SOT1202 (1x1). Package selection depends on PCB layout requirements and available footprint space.

Q: Why should I consider the 74LVCH1T45GN,132 over other alternatives?

A: The 74LVCH1T45GN,132 is actively produced and offers symmetric voltage operation across both channels (1.2 V ~ 5.5 V), providing broader voltage compatibility than the NTB0101GS1Z. It also delivers higher data rate performance (420 Mbps). This part is suitable if your application requires flexibility in voltage domain selection or operates at higher signal frequencies.

Q: Are all substitute parts ROHS3 compliant?

A: The NTB0101GS1Z, NTB0101GM,115, NTB0101GS,132, 74LVC1T45FW4-7, 74AVC1T45GM-Q100H, 74AVC1T45GW-Q100H, and 74AVCH1T45GW-Q100H are all ROHS3 compliant. The 74AVC1T45GN,132 and 74LVCH1T45GN,132 do not specify RoHS status in available documentation.

Q: What packaging options are available for active production substitutes?

A: Active production alternatives are available in two primary packages: 6-XSON (0.9x1 or 1x1 variants) used by the 74AVC and 74LVCH series, and 6-TSSOP used by the 74AVC1T45GW-Q100H and 74AVCH1T45GW-Q100H. Package selection depends on PCB layout constraints and manufacturing equipment compatibility.

Q: Can I use the 74LVC1T45FW4-7 as a substitute if my application requires asymmetric voltage translation?

A: No. The 74LVC1T45FW4-7 operates with symmetric voltage ranges (1.65 V ~ 5.5 V on both VCCA and VCCB), making it unsuitable for applications requiring the asymmetric voltage translation capability of the NTB0101GS1Z (VCCA 1.2-3.6 V, VCCB 1.65-5.5 V). Verify your application voltage requirements before selection.

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