SN74ALS533ADWR Equivalent & Substitute Parts

Part Overview

The SN74ALS533ADWR is a D-Type Transparent Latch logic IC manufactured by Texas Instruments, featuring an 8:8 circuit configuration with tri-state output capability. This component is classified as obsolete, which necessitates identification of active equivalent alternatives for new designs and ongoing production requirements. The part operates within the 74ALS logic family standard, maintaining consistent electrical characteristics across compatible substitutes.

Substiute Parts

SN74ALS533ADWR

Texas InstrumentsIn Stock: 966SN74ALS533ADWR Datasheet

Current PartRFQ

SN74ALS373ADWR

Texas InstrumentsIn Stock: 2395SN74ALS373ADWR Datasheet

Parametric EquivalentRFQ

SN74ALS533ADW

Texas InstrumentsIn Stock: 2012SN74ALS533ADW Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SN74ALS533ADWR is determined by strict equivalence across the following critical parameters:

• Logic Type: D-Type Transparent Latch
• Circuit Configuration: 8:8
• Output Type: Tri-State
• Supply Voltage Range: 4.5V ~ 5.5V
• Propagation Delay Time: 6ns
• Output Current Specifications: 2.6mA (High), 24mA (Low)
• Operating Temperature Range: 0°C ~ 70°C
• Package / Case: 20-SOIC (0.295", 7.50mm Width)
• Mounting Type: Surface Mount

All identified substitutes maintain identical electrical and mechanical specifications. Differences exist only in product status (active vs. obsolete) and packaging format (Tape & Reel vs. Tube vs. standard packaging).

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts are functionally and electrically equivalent to the SN74ALS533ADWR. Selection between alternatives is based on procurement and supply chain requirements:

SN74ALS373ADWR is recommended for high-volume production environments requiring Tape & Reel packaging format, which facilitates automated assembly processes and reduces handling costs.

SN74ALS533ADW is recommended for applications requiring Tube packaging, suitable for lower-volume production runs or manual assembly operations.

Both substitutes carry Active product status, ensuring long-term availability and continued manufacturer support. All three parts maintain identical ROHS3 compliance, MSL rating of 1 (Unlimited), and REACH Unaffected status, meeting current environmental and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can SN74ALS373ADWR and SN74ALS533ADW be used interchangeably with SN74ALS533ADWR?

A: Yes. All three parts are electrically and mechanically equivalent. They share identical logic type, circuit configuration, output characteristics, voltage specifications, timing parameters, and package dimensions. Differences exist only in product status and packaging format.

Q: What is the primary reason for substituting the SN74ALS533ADWR?

A: The SN74ALS533ADWR is classified as obsolete. The substitute parts SN74ALS373ADWR and SN74ALS533ADW maintain active product status, ensuring continued availability and manufacturer support for new designs and production continuity.

Q: Are there any electrical performance differences between the main part and substitutes?

A: No. All three parts operate at identical supply voltage (4.5V ~ 5.5V), propagation delay (6ns), output current specifications (2.6mA high, 24mA low), and temperature range (0°C ~ 70°C).

Q: What is the difference between the packaging formats?

A: SN74ALS373ADWR is supplied in Tape & Reel format, optimized for automated pick-and-place assembly. SN74ALS533ADW is supplied in Tube format, suitable for manual handling and lower-volume applications. Both use the same 20-SOIC package footprint.

Q: Do all parts meet current compliance standards?

A: Yes. All three parts are ROHS3 compliant, carry MSL rating 1 (Unlimited), and maintain REACH Unaffected status, meeting current environmental and regulatory requirements.

Q: Can these parts be used in existing PCB designs without modification?

A: Yes. All three parts use the identical 20-SOIC (0.295", 7.50mm Width) package with surface mount configuration, requiring no PCB layout changes or design modifications.