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74ALVT16501DGG,112 Equivalent & Substitute Parts
Part Overview
The 74ALVT16501DGG,112 is an 18-bit universal bus transceiver manufactured by NXP USA Inc., housed in a 56-TSSOP surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The part operates across dual voltage supply ranges (2.3V ~ 2.7V and 3V ~ 3.6V) and is fully RoHS3 compliant with unlimited moisture sensitivity rating.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74ALVT16501DGG,112 |
| Manufacturer | NXP USA Inc. |
| Logic Type | Universal Bus Transceiver |
| Number of Circuits | 18-Bit |
| Package / Case | 56-TFSOP (0.240", 6.10mm Width) |
| Mounting Type | Surface Mount |
| Voltage - Supply | 2.3V ~ 2.7V, 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Current - Output High, Low | 8mA, 24mA; 32mA, 64mA |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the 74ALVT16501DGG,112 is determined by the following critical parameters:
- Logic Function: Universal bus transceiver with 18-bit configuration
- Package Compatibility: 56-TFSOP surface mount package with identical 0.240" (6.10mm) width
- Voltage Supply Range: Overlapping or compatible supply voltage specifications
- Output Current Ratings: Equivalent or higher current drive capability
- Operating Temperature Range: Minimum -40°C to +85°C coverage
- Compliance Standards: RoHS3 compliance and REACH unaffected status
The SN74LVTH16501DGGR from Texas Instruments meets all substitution criteria as an active product with identical package geometry, matching logic function, compatible voltage operation, and equivalent environmental specifications.
Parameter Comparison
| Parameter | 74ALVT16501DGG,112 (NXP) | SN74LVTH16501DGGR (TI) | Compatibility |
|---|---|---|---|
| Logic Type | Universal Bus Transceiver | Universal Bus Transceiver | Identical |
| Number of Circuits | 18-Bit | 18-Bit | Identical |
| Package / Case | 56-TFSOP (0.240", 6.10mm Width) | 56-TFSOP (0.240", 6.10mm Width) | Identical |
| Mounting Type | Surface Mount | Surface Mount | Identical |
| Voltage - Supply | 2.3V ~ 2.7V, 3V ~ 3.6V | 2.7V ~ 3.6V | Compatible (TI covers 3V ~ 3.6V range) |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | Identical |
| Current - Output High, Low | 8mA, 24mA; 32mA, 64mA | 32mA, 64mA | Compatible (TI meets or exceeds) |
| Product Status | Obsolete | Active | Substitute is active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | Identical |
Engineering Selection Recommendations
The SN74LVTH16501DGGR is the manufacturer-recommended substitute for the obsolete 74ALVT16501DGG,112. Selection is justified on the following basis:
- Product Status: The substitute is an active product with ongoing manufacturer support, ensuring long-term availability and supply chain stability.
- Compliance Alignment: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for new designs.
- Functional Equivalence: Identical 18-bit universal bus transceiver logic with matching 56-TFSOP package geometry ensures direct PCB compatibility without layout modifications.
- Electrical Performance: The Texas Instruments part meets or exceeds the output current specifications of the NXP original, with compatible voltage supply operation across the 3V ~ 3.6V range.
- Environmental Specifications: Matching operating temperature range (-40°C ~ 85°C) and unlimited moisture sensitivity rating ensure equivalent reliability in target applications.
Frequently Asked Questions (FAQ)
Q: Can the SN74LVTH16501DGGR be used as a direct replacement without PCB modifications?
A: Yes. Both parts use the 56-TFSOP package with identical 0.240" (6.10mm) width and pin configuration, enabling direct substitution without PCB layout changes.
Q: What is the voltage supply compatibility between these parts?
A: The 74ALVT16501DGG,112 operates at 2.3V ~ 2.7V and 3V ~ 3.6V. The SN74LVTH16501DGGR operates at 2.7V ~ 3.6V. The substitute is fully compatible for applications using the 3V ~ 3.6V supply range. Applications requiring 2.3V ~ 2.7V operation require design review.
Q: Are there differences in output current capability?
A: The NXP part specifies 8mA and 24mA output current at high and low levels respectively, with an alternate specification of 32mA and 64mA. The Texas Instruments substitute specifies 32mA and 64mA, meeting or exceeding the primary output current requirements.
Q: Why is the original part listed as obsolete?
A: The 74ALVT16501DGG,112 is classified as obsolete by NXP USA Inc., indicating discontinued manufacturing and end-of-life status. The SN74LVTH16501DGGR remains in active production by Texas Instruments.
Q: Are both parts RoHS3 compliant?
A: Yes. Both the 74ALVT16501DGG,112 and SN74LVTH16501DGGR are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1), meeting environmental and regulatory standards for current manufacturing practices.
Q: What packaging format is available for the substitute part?
A: The SN74LVTH16501DGGR is supplied in Tape & Reel (TR) packaging, standard for high-volume production and automated assembly processes.
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