SN74ALS35ADR Equivalent & Substitute Parts

Part Overview

The SN74ALS35ADR is a Buffer, Non-Inverting logic IC manufactured by Texas Instruments, featuring 6 elements with 1 bit per element and open collector output configuration. This component operates within the 4.5V to 5.5V supply voltage range and is housed in a 14-SOIC surface mount package.

The SN74ALS35ADR is classified as obsolete. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

SN74ALS35ADR

Texas InstrumentsIn Stock: 732SN74ALS35ADR Datasheet

Current PartRFQ

SN74ALS35AD

Texas InstrumentsIn Stock: 1045SN74ALS35AD Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74ALS35ADR is determined by strict equivalence across the following critical parameters:

• Logic Type: Buffer, Non-Inverting
• Number of Elements: 6
• Number of Bits per Element: 1
• Output Type: Open Collector
• Current - Output High, Low: —, 8mA
• Voltage - Supply: 4.5V ~ 5.5V
• Operating Temperature: 0°C ~ 70°C (TA)
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

The SN74ALS35AD qualifies as a direct substitute based on identical electrical specifications, package configuration, and functional characteristics. The primary distinction is product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

The SN74ALS35AD is a direct functional equivalent to the SN74ALS35ADR. Both components share identical electrical specifications, package configuration, and performance characteristics. The SN74ALS35AD holds active product status, ensuring ongoing availability and supply chain support compared to the obsolete SN74ALS35ADR.

Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, supporting equivalent environmental and regulatory requirements. Selection between these parts should prioritize the SN74ALS35AD for new designs and ongoing production due to its active status and assured long-term availability.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALS35AD directly replace the SN74ALS35ADR in existing designs?

A: Yes. The SN74ALS35AD is electrically and mechanically equivalent to the SN74ALS35ADR. Both components feature identical logic type, element count, output configuration, supply voltage range, operating temperature range, and 14-SOIC package dimensions. No circuit modifications are required.

Q: What is the primary difference between these two parts?

A: The SN74ALS35ADR is classified as obsolete, while the SN74ALS35AD maintains active product status. The SN74ALS35AD is supplied in tube packaging, whereas the SN74ALS35ADR packaging format is not specified. Active status ensures continued manufacturer support and supply availability.

Q: Are there any compliance or certification differences?

A: No. Both the SN74ALS35ADR and SN74ALS35AD are ROHS3 compliant with identical moisture sensitivity levels (MSL 1 - Unlimited). Both carry the same REACH and ECCN classifications, supporting equivalent regulatory and environmental requirements.

Q: What output current specifications apply to these buffers?

A: Both parts specify 8mA maximum output low current with no specified output high current limitation. The open collector output configuration requires external pull-up resistors for high-level operation.

Q: Is the 14-SOIC package footprint identical between these parts?

A: Yes. Both components use the 14-SOIC package with 0.154" (3.90mm) width. PCB footprints and land patterns are identical, supporting direct board-level substitution without layout modifications.