74ALVC16601MTDX Equivalent & Substitute Parts

Part Overview

The 74ALVC16601MTDX is an 18-bit universal bus transceiver manufactured by onsemi, designed for low-voltage logic applications requiring bidirectional data transfer. This component operates across a supply voltage range of 1.65V to 3.6V and is housed in a 56-TSSOP package. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

74ALVC16601MTDX

onsemiIn Stock: 88974ALVC16601MTDX Datasheet

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SN74ALVCH162601DL

Texas InstrumentsIn Stock: 1069SN74ALVCH162601DL Datasheet

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SN74ALVCH162601DLR

Texas InstrumentsIn Stock: 2216SN74ALVCH162601DLR Datasheet

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SN74ALVCH162601GR

Texas InstrumentsIn Stock: 861SN74ALVCH162601GR Datasheet

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SN74ALVCH16601DGGR

Texas InstrumentsIn Stock: 2625SN74ALVCH16601DGGR Datasheet

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SN74ALVCH16601DL

Texas InstrumentsIn Stock: 1512SN74ALVCH16601DL Datasheet

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SN74ALVCH16601DLR

Texas InstrumentsIn Stock: 4297SN74ALVCH16601DLR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74ALVC16601MTDX is determined by the following critical parameters:

• Logic Function: All substitute parts must be 18-bit universal bus transceivers
• Electrical Specifications: Supply voltage range (1.65V ~ 3.6V), output current capability (24mA minimum for both high and low states), and operating temperature range (-40°C ~ 85°C)
• Package Compatibility: Primary substitutes maintain the 56-TSSOP package footprint; secondary substitutes in 56-SSOP package are electrically compatible but require PCB layout verification
• Product Status: Active status substitutes from Texas Instruments ensure long-term availability and supply chain continuity

The substitute parts are grouped into two categories based on package type: direct footprint replacements (56-TSSOP) and functionally equivalent alternatives (56-SSOP with different mechanical dimensions).

Parameter Comparison

Engineering Selection Recommendations

Direct Footprint Replacements (56-TFSOP Package)

SN74ALVCH16601DGGR and SN74ALVCH162601GR are the preferred substitutes for the 74ALVC16601MTDX. Both parts maintain identical package geometry (56-TFSOP, 0.240" width, 6.10mm), ensuring direct PCB compatibility without layout modifications. Both are manufactured by Texas Instruments with active product status and ROHS3 compliance, providing long-term supply assurance and regulatory alignment.

Functionally Equivalent Alternatives (56-BSSOP Package)

SN74ALVCH16601DLR, SN74ALVCH16601DL, SN74ALVCH162601DLR, and SN74ALVCH162601DL are electrically equivalent but housed in 56-BSSOP packages (0.295" width, 7.50mm). These parts satisfy all electrical and functional requirements but require PCB redesign due to different mechanical dimensions. Selection among these variants depends on packaging preference: DLR and DL variants differ in tape & reel versus tube packaging, affecting procurement and handling methods.

All Texas Instruments substitutes are active products with ROHS3 compliance, ensuring regulatory compliance and supply chain continuity superior to the obsolete onsemi original.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVCH16601DGGR be used as a direct replacement for 74ALVC16601MTDX?

A: Yes. Both parts share identical electrical specifications (18-bit transceiver, 24mA output current, 1.65V–3.6V supply range, -40°C to 85°C operating temperature) and package geometry (56-TFSOP). No circuit modifications are required.

Q: What is the difference between 56-TFSOP and 56-BSSOP packages?

A: The 56-TFSOP package has a width of 0.240" (6.10mm), while the 56-BSSOP package is 0.295" (7.50mm) wide. This dimensional difference requires PCB layout changes if switching between package types. Pin pitch and lead configuration also differ.

Q: Are the 74ALVCH162601 variants interchangeable with 74ALVCH16601 variants?

A: Both base part numbers (74ALVCH162601 and 74ALVCH16601) are 18-bit universal bus transceivers with identical electrical specifications. They are functionally interchangeable within the constraints of their respective package types.

Q: What does the suffix "DLR" versus "DL" indicate?

A: DLR indicates tape & reel packaging, suitable for automated assembly lines. DL indicates tube packaging, typically used for manual assembly or lower-volume applications. Electrical performance is identical; the difference is packaging and handling format.

Q: Is ROHS3 compliance required for my application?

A: ROHS3 compliance is mandatory for products sold in the European Union and many other regions. All Texas Instruments substitutes meet ROHS3 requirements, while the original onsemi part does not specify RoHS status. Verify your regional regulatory requirements before final part selection.

Q: Can I use parts with lower output current specifications?

A: No. The 24mA output current specification is a minimum requirement for this application category. Substitutes must maintain or exceed this current capability to ensure proper signal integrity and load driving capability.