NTS0302JKZ Equivalent & Substitute Parts

Part Overview

The NTS0302JKZ is a translating transceiver IC manufactured by NXP USA Inc., designed for voltage level translation applications. This 8-pin X2SON package device operates across dual supply voltage ranges (0.95V ~ 3.6V and 1.65V ~ 5.5V) and supports 2-bit translation with operating temperatures from -40°C to 125°C. The part is currently in active production status and ROHS3 compliant.

Substitute parts are necessary when the NTS0302JKZ becomes unavailable, when alternative packaging is required for specific board layouts, or when different supply voltage ranges better match system requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	NTS0302JKZ
Manufacturer	NXP USA Inc.
Logic Type	Translating Transceiver
Number of Bits	2
Supply Voltage Range 1	0.95V ~ 3.6V
Supply Voltage Range 2	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	8-XFDFN
Supplier Device Package	8-X2SON (1.4x1)
Mounting Type	Surface Mount
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the NTS0302JKZ is determined by the following critical parameters:

Primary Substitution Criteria:

Logic Type: Translating Transceiver
Number of Bits: 2
Operating Temperature Range: -40°C ~ 125°C (TA)
Mounting Type: Surface Mount
RoHS3 Compliance
Moisture Sensitivity Level: 1 (Unlimited)

Secondary Compatibility Factors:

Supply Voltage Ranges: Parts must support either the 0.95V ~ 3.6V range, the 1.65V ~ 5.5V range, or both
Package / Case: 8-pin packages (8-XFDFN, 8-XSON, 8-VSSOP acceptable)
Channels per Circuit: 2 channels
Output Type: Tri-State, Non-Inverted

Substitute parts are grouped into two categories: direct functional equivalents with identical electrical specifications and similar parts with compatible but extended or modified voltage ranges and packaging options.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Number of Bits	Voltage - VCCA	Voltage - VCCB	Operating Temperature	Package / Case	Data Rate	Product Status
NTS0302JKZ	NXP USA Inc.	Translating Transceiver	2	0.95V ~ 3.6V	1.65V ~ 5.5V	-40°C ~ 125°C	8-XFDFN	-	Active
74AVCH2T45GF,115	Nexperia USA Inc.	Voltage Level Translator	2	0.8V ~ 3.6V	0.8V ~ 3.6V	-40°C ~ 125°C	8-XFDFN	500Mbps	Obsolete
74AVC2T45GS,115	NXP USA Inc.	Voltage Level Translator	2	0.8V ~ 3.6V	0.8V ~ 3.6V	-40°C ~ 125°C	8-XFDFN	500Mbps	Active
74LVC2T45DC,125	Nexperia USA Inc.	Voltage Level Translator	2	1.2V ~ 5.5V	1.2V ~ 5.5V	-40°C ~ 125°C	8-VFSOP	420Mbps	Active
74LVC2T45GF,115	Nexperia USA Inc.	Voltage Level Translator	2	1.2V ~ 5.5V	1.2V ~ 5.5V	-40°C ~ 125°C	8-XFDFN	420Mbps	Obsolete
74LVC2T45GS,115	NXP USA Inc.	Voltage Level Translator	2	1.2V ~ 5.5V	1.2V ~ 5.5V	-40°C ~ 125°C	8-XFDFN	420Mbps	Active
74LVCH2T45DC,125	Nexperia USA Inc.	Voltage Level Translator	2	1.2V ~ 5.5V	1.2V ~ 5.5V	-40°C ~ 125°C	8-VFSOP	420Mbps	Active
74LVCH2T45GS,115	Nexperia USA Inc.	Voltage Level Translator	2	1.2V ~ 5.5V	1.2V ~ 5.5V	-40°C ~ 125°C	8-XFDFN	420Mbps	Active
FXL2TD245L10X	Fairchild Semiconductor	Voltage Level Translator	2	1.1V ~ 3.6V	1.1V ~ 3.6V	-40°C ~ 85°C	10-UFQFN	-	Active
FXMAR2102L8X	onsemi	Voltage Level Translator	2	1.65V ~ 5.5V	1.65V ~ 5.5V	-40°C ~ 85°C	8-UFQFN	50MHz	Active
74AVC2T245GUX	Nexperia USA Inc.	Translation Transceiver	2	0.8V ~ 3.6V	-	-40°C ~ 125°C	10-XFQFN	-	Active

Engineering Selection Recommendations

Direct Substitutes (Active Status, Matching Temperature Range):

74AVC2T45GS,115 and 74LVC2T45GS,115 are the primary active substitutes. Both maintain the -40°C to 125°C operating temperature range and 8-XFDFN package compatibility. The 74AVC2T45GS,115 supports lower voltage ranges (0.8V ~ 3.6V) suitable for low-power applications, while 74LVC2T45GS,115 extends to 5.5V for higher voltage systems. Both are ROHS3 compliant with MSL 1 rating.

Alternative Packaging Options:

74LVCH2T45DC,125 and 74LVC2T45DC,125 provide 8-VFSOP packaging as an alternative to 8-XFDFN, maintaining full temperature range compliance and 1.2V ~ 5.5V voltage support. These are suitable when board layout requires different pin spacing.

Extended Voltage Range Consideration:

FXMAR2102L8X (onsemi) supports the full 1.65V ~ 5.5V range with auto-direction sensing and open drain output, though operating temperature is limited to -40°C ~ 85°C. This part is appropriate for applications not requiring the full 125°C upper temperature limit.

Avoid Obsolete Parts:

74AVCH2T45GF,115 and 74LVC2T45GF,115 are marked obsolete and should not be selected for new designs despite functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can 74AVC2T45GS,115 directly replace NTS0302JKZ?

A: Yes, for applications operating within 0.8V ~ 3.6V supply range. Both support 2-bit translation, -40°C ~ 125°C temperature range, 8-XFDFN packaging, and ROHS3 compliance. The 74AVC2T45GS,115 is active production status.

Q: What is the difference between 74AVC and 74LVC series substitutes?

A: The 74AVC series (74AVC2T45GS,115) operates at 0.8V ~ 3.6V with 500Mbps data rate. The 74LVC series (74LVC2T45GS,115) operates at 1.2V ~ 5.5V with 420Mbps data rate. Select based on your system's supply voltage requirements.

Q: Are 8-VSSOP packaged parts compatible with 8-XFDFN layouts?

A: No. 8-VSSOP (8-VFSOP) and 8-XFDFN are different package footprints. 74LVCH2T45DC,125 and 74LVC2T45DC,125 in 8-VFSOP require PCB layout redesign. Use 8-XFDFN packaged alternatives (74LVC2T45GS,115 or 74AVC2T45GS,115) for direct footprint compatibility.

Q: Does FXMAR2102L8X support the full -40°C ~ 125°C range?

A: No. FXMAR2102L8X operates only to 85°C maximum. It is unsuitable for applications requiring 125°C operation. Use NXP or Nexperia alternatives for full temperature range support.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All recommended substitutes maintain MSL 1 rating, ensuring equivalent handling and storage conditions.

Q: Can I use 74AVC2T245GUX as a substitute?

A: 74AVC2T245GUX is a 10-pin package with different pinout and functionality (2 bits per element vs. 2 total bits). It is not a direct substitute and requires circuit redesign.

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