SN74ALS575ANT Equivalent & Substitute Parts

Part Overview

The SN74ALS575ANT is a D-Type flip-flop logic integrated circuit manufactured by Texas Instruments, featuring 1 element with 8-bit capacity and positive edge triggering. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs or production continuity. The part operates at a clock frequency of 30 MHz with tri-state, non-inverted outputs and is housed in a 24-DIP through-hole package.

Substiute Parts

SN74ALS575ANT

Texas InstrumentsIn Stock: 2248SN74ALS575ANT Datasheet

Current PartRFQ

SN74ALS575ADW

Texas InstrumentsIn Stock: 1071SN74ALS575ADW Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74ALS575ANT is determined by strict equivalence across the following critical parameters:

• Logic Function: D-Type flip-flop with 1 element, 8-bit configuration
• Electrical Performance: 30 MHz clock frequency, 14ns propagation delay @ 5V/50pF, tri-state non-inverted outputs
• Supply Voltage: 4.5V ~ 5.5V operating range
• Output Characteristics: 2.6mA high current, 24mA low current
• Quiescent Current: 17 mA
• Temperature Range: 0°C ~ 70°C
• Series Compatibility: 74ALS logic family
• Compliance: ROHS3 compliant, MSL Level 1

The primary distinction between the main part and its substitute lies in the packaging format: the SN74ALS575ANT uses through-hole 24-DIP mounting, while the substitute employs surface-mount 24-SOIC technology. All electrical and functional parameters remain identical.

Parameter Comparison

Engineering Selection Recommendations

The SN74ALS575ADW serves as the direct functional equivalent to the SN74ALS575ANT. Both components are manufactured by Texas Instruments within the 74ALS logic family and maintain identical electrical specifications, performance characteristics, and compliance certifications.

The primary consideration for component selection is the mounting technology requirement:

• SN74ALS575ANT: Through-hole 24-DIP package suitable for breadboard prototyping, legacy PCB designs, and applications requiring manual insertion assembly.
• SN74ALS575ADW: Surface-mount 24-SOIC package appropriate for modern PCB designs, automated assembly processes, and space-constrained applications.

Both parts are ROHS3 compliant with MSL Level 1 rating and maintain identical supply voltage ranges (4.5V ~ 5.5V), operating temperature specifications (0°C ~ 70°C), and functional performance metrics. The SN74ALS575ADW carries an active product status, ensuring continued availability and manufacturing support, whereas the SN74ALS575ANT is classified as obsolete.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALS575ADW directly replace the SN74ALS575ANT in existing designs?

A: Electrical and functional replacement is complete. However, the SN74ALS575ADW requires surface-mount assembly capabilities and PCB layout modifications, as it uses a 24-SOIC package instead of the through-hole 24-DIP format of the original part.

Q: Are the electrical performance characteristics identical between these parts?

A: Yes. Both components operate at 30 MHz clock frequency, deliver 14ns maximum propagation delay at 5V with 50pF load, and maintain identical output current specifications (2.6mA high, 24mA low) and quiescent current (17 mA).

Q: What is the significance of the product status difference?

A: The SN74ALS575ANT is classified as obsolete, indicating discontinued manufacturing and limited availability. The SN74ALS575ADW maintains active status, ensuring ongoing production, technical support, and long-term supply chain reliability.

Q: Do both parts meet the same compliance and environmental standards?

A: Yes. Both the SN74ALS575ANT and SN74ALS575ADW are ROHS3 compliant with MSL Level 1 rating, indicating unlimited moisture sensitivity protection and full regulatory compliance for industrial and commercial applications.

Q: What are the package dimension differences?

A: The SN74ALS575ANT uses a 24-DIP through-hole package measuring 0.300" (7.62mm) in width. The SN74ALS575ADW uses a 24-SOIC surface-mount package measuring 0.295" (7.50mm) in width. Both maintain the same pin count and electrical interface.