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GTL2003PW,112 Voltage Level Translator Equivalent & Substitute Parts
Part Overview
The GTL2003PW,112 is a bidirectional voltage level translator manufactured by NXP Semiconductors, designed for translating signals between different voltage domains. This 20-TSSOP surface mount IC features 1 circuit with 8 bidirectional channels, supporting voltage ranges from 0.8V to 5.5V on both VCCA and VCCB supplies. The device includes auto-direction sensing and open drain output configuration.
The GTL2003PW,112 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 translation function.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Translator Type | Voltage Level |
| Channel Type | Bidirectional |
| Number of Circuits | 1 |
| Channels per Circuit | 8 |
| Voltage - VCCA Range | 0.8V ~ 5.5V |
| Voltage - VCCB Range | 0.8V ~ 5.5V |
| Output Type | Open Drain |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Features | Auto-Direction Sensing |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the GTL2003PW,112 is determined by the following critical parameters:
Primary Substitution Criteria:
- Translator type (voltage level translation function)
- Channel configuration (bidirectional, 8 channels per circuit)
- Voltage supply ranges (VCCA and VCCB compatibility)
- Output type (open drain or tri-state capability)
- Package form factor (20-TSSOP or compatible)
- Operating temperature range (-40°C ~ 85°C minimum)
- Auto-direction sensing capability
Substitute Categories:
Direct Equivalents (20-TSSOP Package): Parts maintaining the original 20-TSSOP package with matching 8-channel bidirectional configuration and voltage ranges.
Functional Equivalents (24-TSSOP/24-DHVQFN Package): Parts providing equivalent voltage translation functionality with 8-bit transceiver architecture, available in alternative surface mount packages. These parts offer tri-state output capability and extended voltage supply ranges.
Texas Instruments 74GTL Series: SN74GTL2003PW and SN74GTL2003PWR provide direct functional equivalence with identical channel count, bidirectional operation, and auto-direction sensing in the same 20-TSSOP package.
Nexperia 74AVC/74LVC Series: 74AVC8T245 and 74LVC8T245 variants offer translation transceiver functionality with 8-bit per element configuration, available in both 24-TSSOP and 24-DHVQFN packages, with extended operating temperature ranges and automotive qualifications where applicable.
Parameter Comparison
| Part Number | Manufacturer | Translator Type | Channel Type | Channels | VCCA Range | VCCB Range | Output Type | Package | Temp Range | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| GTL2003PW,112 | NXP Semiconductors | Voltage Level | Bidirectional | 8 | 0.8V ~ 5.5V | 0.8V ~ 5.5V | Open Drain | 20-TSSOP | -40°C ~ 85°C | Obsolete |
| SN74GTL2003PW | Texas Instruments | Voltage Level | Bidirectional | 8 | 0.95V ~ 5.5V | 0.95V ~ 5.5V | Open Drain | 20-TSSOP | -40°C ~ 85°C | Obsolete |
| SN74GTL2003PWR | Texas Instruments | Voltage Level | Bidirectional | 8 | 0.95V ~ 5.5V | 0.95V ~ 5.5V | Open Drain | 20-TSSOP | -40°C ~ 85°C | Active |
| 74AVC8T245PW,118 | Nexperia USA Inc. | Translation Transceiver | 8-Bit | 8 | 0.8V ~ 3.6V | 0.8V ~ 3.6V | 3-State | 24-TSSOP | -40°C ~ 125°C | Active |
| 74AVC8T245PW-Q100J | Nexperia USA Inc. | Translation Transceiver | 8-Bit | 8 | 0.8V ~ 3.6V | 0.8V ~ 3.6V | 3-State | 24-TSSOP | -40°C ~ 125°C | Active |
| 74AVC8T245PW:112 | Nexperia USA Inc. | Translation Transceiver | 8-Bit | 8 | 0.8V ~ 3.6V | 0.8V ~ 3.6V | 3-State | 24-TSSOP | -40°C ~ 125°C | Obsolete |
| 74LVC4245APW,118 | Nexperia USA Inc. | Voltage Level | Bidirectional | 8 | 1.5V ~ 5.5V | 1.5V ~ 3.6V | Tri-State | 24-TSSOP | -40°C ~ 125°C | Active |
| 74LVC8T245BQ-Q100J | Nexperia USA Inc. | Translation Transceiver | 8-Bit | 8 | 1.2V ~ 5.5V | 1.2V ~ 5.5V | 3-State | 24-DHVQFN | -40°C ~ 125°C | Active |
| 74LVC8T245PW,118 | Nexperia USA Inc. | Translation Transceiver | 8-Bit | 8 | 1.2V ~ 5.5V | 1.2V ~ 5.5V | 3-State | 24-TSSOP | -40°C ~ 125°C | Active |
| 74LVCH8T245BQ,118 | Nexperia USA Inc. | Translation Transceiver | 8-Bit | 8 | 1.2V ~ 5.5V | 1.2V ~ 5.5V | 3-State | 24-DHVQFN | -40°C ~ 125°C | Active |
| 74LVC4245ABQ-Q100J | Nexperia USA Inc. | Voltage Level | Bidirectional | 8 | N/A | N/A | N/A | 24-DHVQFN | N/A | Active |
Engineering Selection Recommendations
For Direct Package Compatibility (20-TSSOP):
SN74GTL2003PWR is the recommended primary substitute. This Texas Instruments part maintains the original 20-TSSOP package, identical 8-channel bidirectional configuration, and auto-direction sensing feature. The part is currently in active production status, ensuring long-term supply availability. Voltage specifications (0.95V ~ 5.5V) are compatible with the original GTL2003PW,112 for applications operating within these ranges. Operating temperature range matches the original specification.
SN74GTL2003PW provides equivalent functionality but is classified as obsolete, making it less suitable for new designs despite package compatibility.
For Extended Functionality and Active Production (24-TSSOP Package):
74LVC8T245PW,118 is recommended for applications where package transition is acceptable. This Nexperia part provides 8-bit translation transceiver functionality with tri-state output capability, supporting voltage supplies from 1.2V to 5.5V. The part is in active production with extended operating temperature range (-40°C ~ 125°C). The 24-TSSOP package is a standard surface mount form factor compatible with modern PCB assembly processes.
74LVC4245APW,118 offers bidirectional voltage level translation with tri-state output in 24-TSSOP package, supporting VCCA range of 1.5V ~ 5.5V and VCCB range of 1.5V ~ 3.6V. This part is actively produced and suitable for applications requiring asymmetric voltage domain translation.
For Automotive and High-Reliability Applications:
74LVC8T245BQ-Q100J and 74AVC8T245PW-Q100J both carry AEC-Q100 automotive qualification. These parts are available in 24-TSSOP and 24-DHVQFN packages respectively, with extended operating temperature ranges and active production status. Selection depends on package requirements and specific voltage supply specifications.
Compliance and Certification:
All recommended substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and REACH unaffected status, matching the original GTL2003PW,112 environmental and regulatory requirements.
Frequently Asked Questions (FAQ)
Q: Can SN74GTL2003PWR be used as a direct replacement for GTL2003PW,112?
A: Yes, for applications where voltage supplies remain within 0.95V ~ 5.5V range. Both parts feature identical 20-TSSOP packaging, 8-channel bidirectional configuration, and auto-direction sensing. The primary difference is product status: SN74GTL2003PWR is in active production while GTL2003PW,112 is obsolete. Verify that your application does not require operation below 0.95V on either supply rail, as the original part supports 0.8V minimum.
Q: What is the difference between open drain and tri-state output types?
A: Open drain output can only pull the output line low or leave it floating (high impedance). Tri-state output can actively drive the line high, drive it low, or leave it in high impedance state. Applications using pull-up resistors can typically use either type. Applications requiring active high-level driving require tri-state output. Verify your circuit design before substituting between these output types.
Q: Why do some substitute parts use 24-TSSOP package instead of 20-TSSOP?
A: The 24-TSSOP package accommodates additional functionality or improved thermal characteristics. Parts like 74LVC8T245PW,118 and 74LVC4245APW,118 provide enhanced translation transceiver capabilities in the larger package. PCB layout modifications are required for package transitions. Verify PCB footprint compatibility and available board space before selecting 24-pin alternatives.
Q: Are the 74AVC8T245 and 74LVC8T245 series interchangeable?
A: Both series provide 8-bit translation transceiver functionality, but voltage supply specifications differ. 74AVC8T245 supports 0.8V ~ 3.6V supply range, while 74LVC8T245 supports 1.2V ~ 5.5V supply range. Selection depends on your specific voltage domain requirements. Do not interchange without verifying supply voltage compatibility.
Q: What does AEC-Q100 qualification mean?
A: AEC-Q100 is an automotive industry qualification standard indicating the part has passed stress testing and reliability requirements for automotive applications. Parts carrying this qualification (such as 74LVC8T245BQ-Q100J and 74AVC8T245PW-Q100J) are suitable for automotive and high-reliability applications. Non-qualified parts may not meet automotive reliability standards.
Q: Can I use 74LVCH8T245BQ,118 in place of GTL2003PW,112?
A: Functionally yes, but with package considerations. The 74LVCH8T245BQ,118 provides 8-bit translation transceiver functionality with tri-state output in 24-DHVQFN package (5.5x4.6mm). Voltage supply range (1.2V ~ 5.5V) and operating temperature (-40°C ~ 125°C) are compatible. The DHVQFN package is smaller than TSSOP but requires different PCB footprint and assembly process. Verify PCB design compatibility before selection.
Q: What is the significance of part number suffixes like ",118", "-Q100J", and ":112"?
A: These suffixes indicate packaging and qualification variants. ",118" typically denotes cut tape and digi-reel packaging. "-Q100J" indicates AEC-Q100 automotive qualification with specific packaging. ":112" indicates tube packaging. These suffixes affect availability, pricing, and application suitability but do not change core electrical functionality. Verify packaging requirements for your procurement and assembly processes.
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