74ABT16501CSSCX Equivalent & Substitute Parts

Part Overview

The 74ABT16501CSSCX is an 18-bit universal bus transceiver manufactured by onsemi in a 56-SSOP surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The 74ABT series provides bidirectional data transmission capabilities suitable for logic-level bus applications requiring 3V to 5V operation.

Substiute Parts

74ABT16501CSSCX

onsemiIn Stock: 80274ABT16501CSSCX Datasheet

Current PartRFQ

SN74ABT162501DL

Texas InstrumentsIn Stock: 924SN74ABT162501DL Datasheet

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SN74ABT16501DGGR

Texas InstrumentsIn Stock: 3160SN74ABT16501DGGR Datasheet

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SN74ABT16501DL

Texas InstrumentsIn Stock: 2065SN74ABT16501DL Datasheet

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SN74ABT16501DLR

Texas InstrumentsIn Stock: 4274SN74ABT16501DLR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74ABT16501CSSCX is determined by the following critical parameters:

• Logic Type: Universal Bus Transceiver (18-Bit configuration)
• Voltage Supply Range: 4.5V ~ 5.5V
• Operating Temperature Range: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package Compatibility: 56-SSOP or 56-TSSOP footprints
• Output Current Capability: Minimum 32mA high, 64mA low (meets or exceeds original specification)

All substitute parts listed maintain functional equivalence within these parameters. Differences in output current ratings, packaging format (tube vs. tape & reel), and product status are noted but do not affect electrical interchangeability for standard applications.

Parameter Comparison

Engineering Selection Recommendations

For new designs and production applications, the Texas Instruments SN74ABT16501DL or SN74ABT16501DLR are the primary recommended substitutes. Both parts are currently active in production, ROHS3 compliant, and available in the same 56-BSSOP package as the original onsemi component. The DLR variant is supplied in tape & reel format suitable for automated assembly, while the DL variant is supplied in tube format.

The SN74ABT16501DGGR offers an alternative in the 56-TFSOP package (0.240" width versus 0.295" width), which may require PCB layout modification but provides the same electrical functionality and active product status.

The SN74ABT162501DL is discontinued at DiGi Electronics and should be avoided for new procurement unless existing inventory is available and acceptable for the application timeline.

Frequently Asked Questions (FAQ)

Q: Can SN74ABT16501DL directly replace 74ABT16501CSSCX without PCB modification?

A: Yes. Both parts use the 56-BSSOP package with identical pin assignments and electrical specifications. No PCB layout changes are required.

Q: What is the difference between SN74ABT16501DL and SN74ABT16501DLR?

A: Both are electrically identical. The primary difference is packaging format: DL is supplied in tube format, while DLR is supplied in tape & reel format for automated assembly processes.

Q: Can SN74ABT16501DGGR be used as a substitute?

A: SN74ABT16501DGGR is electrically equivalent but uses the 56-TFSOP package (0.240" width) instead of 56-BSSOP (0.295" width). PCB footprint modification is required. This part is currently active in production.

Q: Why is the output current specification different between the onsemi and Texas Instruments parts?

A: The onsemi 74ABT16501CSSCX specifies 3mA output high current, while Texas Instruments SN74ABT16501 variants specify 32mA. The Texas Instruments specification provides higher output drive capability, making these parts suitable for applications requiring the original specification or greater.

Q: Are all substitute parts ROHS3 compliant?

A: The Texas Instruments substitutes (SN74ABT16501DL, SN74ABT16501DLR, SN74ABT16501DGGR) are ROHS3 compliant. The original onsemi part does not specify RoHS status.

Q: Which substitute should be selected for new production?

A: SN74ABT16501DLR is recommended for new production due to active product status, ROHS3 compliance, tape & reel packaging for automated assembly, and highest current inventory availability.