GTL2002D,112 Voltage Level Translator Bidirectional Equivalent & Substitute Parts

Part Overview

The GTL2002D,112 is a bidirectional voltage level translator manufactured by NXP USA Inc., designed to interface logic signals across different voltage domains. This 8-SO packaged integrated circuit translates between voltage levels ranging from 1V to 5.5V on both VCCA and VCCB channels, with auto-direction sensing capability and open-drain output configuration. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	GTL2002D,112
Manufacturer	NXP USA Inc.
Category	Logic
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	2
Voltage - VCCA	1V ~ 5.5V
Voltage - VCCB	1V ~ 5.5V
Output Type	Open Drain
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the GTL2002D,112 is determined by the following critical parameters:

Primary Substitution Criteria:

Translator type: Voltage level translation
Channel configuration: Bidirectional, 1 circuit with 2 channels per circuit
Voltage range compatibility: VCCA and VCCB operating ranges
Output type: Tri-state or open-drain capability
Package compatibility: Surface mount form factor
Operating temperature range: Minimum -40°C to 85°C

Secondary Considerations:

Data rate capability (if specified in application)
Automotive qualification (AEC-Q100) for grade-specific applications
RoHS and REACH compliance status
Moisture sensitivity level

The substitute parts listed below meet the core functional requirements of bidirectional voltage level translation with compatible voltage ranges and operating temperatures. Parts are grouped by active product status and package type to facilitate selection based on availability and design constraints.

Parameter Comparison

Parameter	GTL2002D,112	74AVC2T245GUX	74AVC2T45DC-Q100H	74AVC2T45DP-Q100H	74AVC2T45GS,115	74AVCH2T45DC,125	74AVCH2T45GS,115	74LVC2T45DC,125	74LVC2T45GN,115
Manufacturer	NXP USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	NXP USA Inc.	Nexperia USA Inc.	NXP USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Translator Type	Voltage Level	Translation Transceiver	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level
Channel Type	Bidirectional	2 Bit per Element	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional
Number of Circuits	1	1 Element	1	1	1	1	1	1	1
Channels per Circuit	2	2	2	2	2	2	2	2	2
Voltage - VCCA	1V ~ 5.5V	0.8V ~ 3.6V	0.8V ~ 3.6V	0.8V ~ 3.6V	0.8V ~ 3.6V	0.8V ~ 3.6V	0.8V ~ 3.6V	1.2V ~ 5.5V	1.2V ~ 5.5V
Voltage - VCCB	1V ~ 5.5V	0.8V ~ 3.6V	0.8V ~ 3.6V	0.8V ~ 3.6V	0.8V ~ 3.6V	0.8V ~ 3.6V	0.8V ~ 3.6V	1.2V ~ 5.5V	1.2V ~ 5.5V
Output Type	Open Drain	3-State	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
Data Rate	Not specified	Not specified	500Mbps	500Mbps	500Mbps	500Mbps	500Mbps	420Mbps	420Mbps
Operating Temperature	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	8-SOIC	10-XFQFN	8-VFSOP	8-TSSOP	8-XFDFN	8-VFSOP	8-XFDFN	8-VFSOP	8-XFDFN
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)	Not specified	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Active Product Status with Extended Temperature Range:

The 74AVC2T45 and 74AVCH2T45 series from Nexperia/NXP provide active product alternatives with extended operating temperature to -40°C to 125°C, exceeding the GTL2002D,112 specification of -40°C to 85°C. These parts maintain bidirectional 2-channel configuration with tri-state output capability. The 74AVC2T45DC-Q100H and 74AVC2T45DP-Q100H variants include AEC-Q100 automotive qualification for grade-specific applications.

For Voltage Range Compatibility:

The 74LVC2T45 series maintains the wider voltage range (1.2V ~ 5.5V) closer to the original GTL2002D,112 specification (1V ~ 5.5V), with 420Mbps data rate capability. The 74LVC2T45DC,125 and 74LVC2T45GN,115 are available in active product status with ROHS3 compliance.

For Package Considerations:

The GTL2002D,112 uses 8-SOIC packaging. Direct package equivalents in the substitute list include 8-VFSOP (74AVC2T45DC-Q100H, 74AVCH2T45DC,125, 74LVC2T45DC,125) and 8-TSSOP (74AVC2T45DP-Q100H) options. The 8-XFDFN variants (74AVC2T45GS,115, 74AVCH2T45GS,115, 74LVC2T45GN,115) offer smaller footprints for space-constrained designs.

Compliance and Certification:

All recommended substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings where specified. Parts with AEC-Q100 qualification are suitable for automotive applications requiring grade certification.

Frequently Asked Questions (FAQ)

Q: Can the 74AVC2T45 series directly replace the GTL2002D,112 in existing designs?

A: The 74AVC2T45 series provides functional equivalence as a bidirectional voltage level translator with 1 circuit and 2 channels per circuit. However, the voltage range differs: 74AVC2T45 operates 0.8V ~ 3.6V versus GTL2002D,112 at 1V ~ 5.5V. Verify your application's voltage requirements before substitution. Package differences also require PCB layout modification.

Q: What is the difference between 74AVC2T45 and 74AVCH2T45 variants?

A: Both series provide identical functional specifications for bidirectional voltage translation with 2 channels and tri-state output. The 74AVCH2T45 is the high-speed variant of the 74AVC2T45 family. Selection depends on availability and packaging preference. Both maintain 500Mbps data rate and -40°C to 125°C operating temperature.

Q: Why does the 74LVC2T45 series have a different voltage range than 74AVC2T45?

A: The 74LVC2T45 series operates at 1.2V ~ 5.5V, providing closer compatibility with the GTL2002D,112 specification of 1V ~ 5.5V. The 74AVC2T45 series operates at lower voltage levels (0.8V ~ 3.6V) suitable for modern low-voltage logic applications. Select based on your system's voltage domain requirements.

Q: Are there package-compatible substitutes for the 8-SOIC form factor?

A: The substitute list does not include direct 8-SOIC equivalents. The closest alternatives are 8-VFSOP (0.091" width) and 8-TSSOP (0.118" width) packages, which require PCB redesign. The 8-XFDFN packages offer smaller footprints but also require layout modification. Evaluate your PCB constraints before selecting a substitute.

Q: What is the significance of AEC-Q100 qualification on certain parts?

A: AEC-Q100 qualification indicates automotive-grade reliability testing and is required for automotive applications. The 74AVC2T45DC-Q100H and 74AVC2T45DP-Q100H variants carry this certification. Use qualified parts only if your application requires automotive-grade components.

Q: How does the data rate specification affect substitution?

A: The GTL2002D,112 does not specify a data rate. Substitute parts offer 420Mbps (74LVC2T45 series) or 500Mbps (74AVC2T45 and 74AVCH2T45 series). These data rates exceed typical bidirectional translator requirements and do not restrict substitution. Verify your application's signal frequency requirements are within these specifications.

Q: What is the difference between open-drain and tri-state output configurations?

A: The GTL2002D,112 uses open-drain output, while all substitutes use tri-state (3-state) output. Both configurations support bidirectional signal translation. Tri-state output provides active pull-up capability in addition to open-drain functionality, making it functionally compatible for most applications. Verify your circuit design accommodates tri-state output behavior.

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